List of racehorses

This list includes racehorses that exist in the historical record.

Racehorses

For competition horses, such as show jumpers and dressage horses, see List of historical horses § Competition horses.

A

A.P. Indy: 1992 Santa Anita Derby, Belmont Stakes, and Breeders' Cup Classic winner, major breeding sire after racing
Aboyeur: 1913 Epsom Derby winner
Accelerate: 2018 Breeders' Cup Classic winner
Ace Impact: Undefeated winner of the 2023 Prix de l'Arc de Triomphe
Achievement: 1867 1000 Guineas Stakes, Coronation Stakes, and St Leger Stakes winner
Ack Ack: 1971 American Horse of the Year
Action This Day: 2003 Breeders' Cup Juvenile winner
Adam's Apple: 1927 2000 Guineas Stakes winner
Adayar: 2021 Epsom Derby and King George VI and Queen Elizabeth Stakes winner
Adios Butler: Famous harness racer
Admiral's Voyage: American multiple-stakes winner
Admire Groove: Winner of the 2003 and 2004 Queen Elizabeth II Commemorative Cup
Admire Moon: 2007 Japanese Horse of the Year, known for winning that year's Dubai Duty Free Stakes, Takarazuka Kinen and Japan Cup
Admire Vega: Winner of the 1999 Japanese Derby
Affectionately: 1962 American Champion Two-Year-Old Filly and 1965 American Champion Sprint Horse. Dam of 1970 co-American Horse of the Year Personality.
Affirmed: U.S. Triple Crown winner (1978)
Afleet Again: 2011 Breeders' Cup Marathon winner
Afleet Alex: 2005 Preakness Stakes and Belmont Stakes winner, American champion 3-year-old of 2005
Africander: 1903 Belmont Stakes winner and American Champion 3-year-old
Agile: 1905 Kentucky Derby winner
Agnes Digital: American-born Japanese racehorse known for winning the 2001 Tennō Shō (Autumn), the 2001 Hong Kong Cup, and the 2003 Yasuda Kinen, as well as his ability to run on dirt surfaces just as well as turf
Agnes Flight: 2000 Tōkyō Yūshun winner
Agnes Flora: 1990 Oka Sho winner. Dam of both Agnes Flight and Agnes Tachyon
Agnes Tachyon: Undefeated 2001 Satsuki Sho winner, sire of Daiwa Scarlet
Aimwell: 1785 Epsom Derby winner
Air Groove: Winner of the 1996 Yushun Himba, 1997 Tennō Shō (Autumn), and 1998 Ōsaka Hai
Air Jihad: Won both the Yasuda Kinen and Mile Championship in the same year (1999)
Air Messiah: Winner of the 2005 Shūka Shō
Air Shakur: Winner of the 2000 Satsuki Sho and Kikuka Sho
Airborne: 1946 Epsom Derby and St. Leger Stakes winner
Ajax: 18 consecutive race wins, before he was defeated at 1/40
Ajina: 1997 Breeders' cup Distaff winner and American champion 3-year-old filly
Alan-a-Dale: 1902 Kentucky Derby winner
Albatross: Harness racer who won 59 of 71 races, and as a sire produced winners of over $130 million, including Niatross
Alcide: 1958 St Leger Stakes and King George VI and Queen Elizabeth Stakes winner
Algerine: 1876 Belmont Stakes winner
Allabaculia: Winner of the inaugural St Leger Stakes in 1776
Allez France: French Arc winner and first filly to win a million dollars
Almahmoud: Influential broodmare, dam of Natalma and Cosmah
Almond Eye: Won 9 G1 races, setting a new record in Japan, including all three of the Japanese Fillies' Triple Crown in 2018 and the Japan Cup twice (2018, 2020)
Aloma's Ruler: 1982 Preakness Stakes winner
Alphabet Soup: 1996 Breeders' Cup Classic winner
Alsab: 1942 Preakness Stakes winner, American champion 2-year-old and 3-year-old, ranked in Top 100 American racehorses of the 20th Century
Altisidora: 1813 St Leger Stakes winner
Always Dreaming: 2017 Kentucky Derby winner
Alydar: Finished second to Affirmed in all three 1978 Triple Crown races; successful sire
Alysheba: 1987 Kentucky Derby and Preakness Stakes winner, 1988 Breeders' Cup Classic winner
Amato: 1838 Epsom Derby winner, won in his only race
Amberoid: 1966 Belmont Stakes winner
Ambidexter: 1790 St Leger Stakes winner
Ambrosio: 1796 St Leger Stakes winner
American Flag: 1925 Belmont Stakes winner and American Champion 3-year-old
American Pharoah: 2015 winner of the U.S. Triple Crown and Breeders' Cup World Championships in Lexington, Kentucky at Keeneland Race Course
Andover: 1854 Epsom Derby winner
Anees: 1999 Breeders' Cup Juvenile winner
Angel of Empire: 2023 Arkansas Derby winner
Animal Kingdom: American Thoroughbred racehorse; won 137th Kentucky Derby and 2013 Dubai World Cup
Answer Lively: 1998 Breeders' Cup Juvenile winner
Anthony Van Dyck: 2019 Epsom Derby winner
Antonio: 1819 St Leger Stakes winner
Apapane: 2010 Japanese Fillies' Triple Crown and Victoria Mile winner
Apollo: 1882 Kentucky Derby winner
April the Fifth: 1932 Epsom Derby winner
Arazi: American-bred French-bred horse that won the Prix Morny, Prix de la Salamandre, Grand Critérium, and Breeders' Cup Juvenile in 1991. European Horse of the Year for 1991
Arcangelo: 2023 Belmont Stakes and Travers Stakes winner
Arcangues: 1993 Prix d'Ispahan and Breeders' Cup Classic winner
Archduke: 1799 Epsom Derby winner
Archer: First and second winner of the Melbourne Cup
Arctic Cosmos: 2010 St Leger Stakes winner
Arctic Prince: 1951 Epsom Derby winner
Ard Patrick: 1902 Epsom Derby winner. Also winner of Prince of Wales's Stakes and Eclipse Stakes, and later a leading sire in Germany
Aristides: Winner of the first Kentucky Derby
Arkle: Highest Timeform rating for a steeplechase horseracer
Arrogate: Winner of Travers Stakes, Breeders' Cup Classic, Pegasus World Cup, and Dubai World Cup in track record time and the richest U.S.-based racehorse of all time
Artax: 1999 Breeders' Cup Sprint winner, American champion sprint horse
Artie Schiller: 2005 Breeders' Cup Mile winner
Arts and Letters: 1969 Belmont Stakes winner and American Horse of the Year
Ashado: 2004 Breeders' Cup Distaff winner, American champion 3-year-old filly in 2004 and champion older mare in 2005
Ashton: 1809 St Leger Stakes winner
Assassin: 1782 Epsom Derby winner
Assault: U.S. Triple Crown winner (1946)
Assignee: 1894 Preakness Stakes winner
Aston Machan: 2007 Sprinters Stakes winner whose career was cut short at age four due to acute heart failure
Athens Wood: 1971 St Leger Stakes winner
Atlantic: 1874 2000 Guineas Stakes winner
Attila: 1842 Epsom Derby winner
Audarya: French-bred British-trained horse that won the Prix Jean Romanet and Breeders' Cup Filly & Mare Turf in 2020
Auguste Rodin: Winner of both the Epsom and Irish Derbies of 2023, as well as the Breeders' Cup Turf of the same year
Aurelius: 1961 St Leger Stakes winner
Aureole: 1954 Coronation Cup and King George VI and Queen Elizabeth Stakes winner. Significant sire after racing
Australia: Irish-bred horse that won the Epsom Derby and Irish Derby in 2014
Authentic: 2020 Kentucky Derby and Breeders' Cup Classic winner, American Horse of the Year
Authorized: 2007 Epsom Derby and International Stakes winner
Avatar: 1975 Belmont Stakes winner
Awesome Again: winner of the 1997 Queen's Plate, Travers Stakes & Super Derby, 1998 Whitney Handicap and Breeders' Cup Classic
Awesome Feather: 2010 Breeders' Cup Juvenile Fillies winner
Ayrshire: 1888 2000 Guineas Stakes and Epsom Derby winner
Azeri: 2002 Breeders' Cup Distaff winner and American horse of the year. American champion older mare 2002–2004
Azor: 1817 Epsom Derby winner
Azra: 1892 Kentucky Derby and Travers Stakes winner

B

Baden-Baden: 1877 Kentucky Derby winner
Bahram: Irish-bred British-trained horse that won the English Triple Crown in 1935
Baldric: 1964 2000 Guineas Stakes and Champion Stakes winner
Bally Ache: 1960 Preakness Stakes winner
Ballymoss: 1957 Irish Derby and St Leger Stakes, and 1958 Prix de l'Arc de Triomphe winner.
Banks Hill: British-bred French-trained horse that won the Coronation Stakes and Breeders' Cup Filly & Mare Turf in 2001 and the Prix Jacques Le Marois in 2002
Barack Obama: Named after Barack Obama the 44th President of the United States, a New Zealand horse that competed in international endurance events.
Barathea: Irish 2,000 Guineas winner in 1993 and Breeders' Cup Mile winner in 1994. European Horse of the Year in 1994
Barbaro: American Thoroughbred who decisively won the 2006 Kentucky Derby, but shattered his leg two weeks later in the 2006 Preakness Stakes, ending his racing career; underwent several operations; eventually healed, but developed laminitis and could not be saved; euthanized January 29, 2007^[1]
Barefoot: 1823 St Leger Stakes winner
Basin: 2019 Hopeful Stakes winner
Bast: Winner of the 2019 Del Mar Debutante Stakes, later a successful broodmare
Batang Manda: Winner of the PCSO Presidential Gold Cup
Battle of Midway: 2017 Breeders' Cup Dirt Mile winner
Battleship (1927–1958): American thoroughbred racehorse who is the only horse to have won both the American Grand National and the Grand National steeplechase races.
Bay Middleton: 1836 2000 Guineas Stakes and Epsom Derby winner. Two time leading sire in Britain and Ireland
Bayakoa: Argentinian horse that won 13 Grade 1 stakes races, including the Breeders' Cup Distaff in 1989 and 1990; ranked a Top 100 American racehorse of the 20th Century
Bayern: Winner of the 2014 Haskell Invitational Stakes and Breeders' Cup Classic
Beadsman: 1858 Epsom Derby winner
Beau Purple: One of the few horses to defeat Kelso
Beautiful Pleasure: 1999 Breeders' Cup Distaff winner and American champion older mare
Bee Bee Bee: 1972 Preakness Stakes winner
Behave Yourself: 1921 Kentucky Derby winner
Beholder: Winner of the Breeders' Cup Juvenile Fillies, two-time winner of the Breeders' Cup Distaff, as well as the first filly to win the Pacific Classic
Believe: Winner of the Sprinters Stakes in 2002 and the Takamatsunomiya Kinen in 2003, Japanese best older mare or filly for 2003
Bellagio Opera: 2024 and 2025 Ōsaka Hai winner
Belmar: 1895 Preakness Stakes and Belmont Stakes winner
Ben Ali: 1886 Kentucky Derby winner
Ben Brush: 1896 Kentucky Derby winner, American champion horse as a two-year-old and as an older-horse. Later a leading sire in North America
Ben Nevis: Champion Maryland steeplechaser who won the Maryland Hunt Cup twice and the Grand National
Bend Or: Very successful British Thoroughbred racehorse who won the 1880 Epsom Derby
Beningbrough: 1794 St Leger Stakes winner
Benny the Dip: 1997 Epsom Derby winner
Bernardini: 2006 Preakness Stakes and Travers Stakes winner, later a major broodmare sire
Bernborough: Australian racehorse and winner of 15 consecutive races at big weights; sold to US film producer Louis B. Mayer
Best Mate: 2002, 2003 and 2004 Cheltenham Gold Cup winner; often given title 'Greatest Steeplechaser' since Arkle, and an equal to him
Bet Twice: 1987 Belmont Stakes winner
Better Talk Now: Five-time grade 1 stakes winner, including 2004 Breeders' Cup Turf
Big Brown: 2008 Kentucky Derby and Preakness Stakes winner; first horse since Clyde Van Dusen to win the Kentucky Derby from the 20th post position
Big Buck's: National Hunt horse that won the World Hurdle and Liverpool Hurdle four years in a row (2009–2012)
Big Drama: 2010 Breeders' Cup Sprint winner, American champion sprint horse
Big Game: 1942 2000 Guineas Stakes and Champion Stakes winner
Biko Pegasus: Japanese horse that won multiple graded stakes
Bimelech: 1940 Preakness Stakes and Belmont Stakes winner, American champion 2 and 3-year-old and ranked a Top 100 American racehorse of the 20th Century
Birdstone: 2004 Belmont Stakes winner and successful sire
Birmingham: 1830 St Leger Stakes winner
Biwa Hayahide: Winner of the 1993 Kikuka-shō, 1994 Tennō Shō (Spring), and 1994 Takarazuka Kinen
Black Caviar: Undefeated in 25 career starts; fifteen-time Group 1 winner
Black Gold: 1924 Kentucky Derby winner, inspiration for the 1947 film Black Gold
Black Hawk (Japan): British-bred Japanese-trained horse that won the Sprinters Stakes in 1999
Black Jester: 1914 Sussex Stakes and St Leger Stakes winner
Black Tarquin: 1948 St James's Palace Stakes and St Leger Stakes winner
Black Tie Affair: 1991 Breeders' Cup Classic winner and American Horse of the Year
Blair Athol: 1864 Epsom Derby and St Leger Stakes winner. Later a leading sire in Britain and Ireland in the 1870s
Blakeney: 1969 Epsom Derby winner
Blame: 2010 Breeders' Cup Classic winner
Blink Bonny: 1857 Epsom Derby and Epsom Oaks winner, second filly to win the Derby
Bloomsbury: 1839 Epsom Derby and Ascot Gold Cup winner
Blucher: 1814 Epsom Derby winner
Blue Gown: 1868 Epsom Derby and Ascot Gold Cup winner
Blue Larkspur: 1929 Belmont Stakes winner, ranked a top-100 American horse of the 20th century
Blue Man: 1952 Preakness Stakes winner
Blue Peter (UK): British horse, winner of the Epsom Derby and 2000 Guineas Stakes in 1939. Later a leading broodmare sire in Britain and Ireland
Blue Peter (US): American horse, winner of multiple graded stakes. American champion two-year-old for 1948
Blue Prize: Argentinian horse that won the Breeders' Cup Distaff in 2019
Blue Swords: Runner-up in 1943 Kentucky Derby and Preakness Stakes
Bob's Return: 1993 St Leger Stakes winner
Bobby's Kitten: 2014 Breeders' Cup Turf Sprint winner
Bois Roussel: French horse that won the 1938 Epsom Derby. Later a successful broodmare sire in Britain and Ireland
Bold: 1951 Preakness Stakes winner
Bold Forbes: 1976 Kentucky Derby and Belmont Stakes winner
Bold Reasoning: Known as the sire of Seattle Slew
Bold Ruler: Leading sire of stakeswinners, best known for siring Secretariat; born in the same barn on the same night as Round Table
Bold Venture: 1936 Kentucky Derby and Preakness Stakes winner
Boldnesian: Santa Anita Derby winner, grandsire of American triple crown winner Seattle Slew
Bolkonski: 1975 2000 Guineas Stakes and St James's Palace Stakes winner
Bollin Eric: 2002 St Leger Stakes winner
Bona Vista: 1892 2000 Guineas Stakes winner
Bonnie Scotland: Runner up in the St. Leger Stakes, later a leading sire in North America in 1880 and 1882
Book Law: 1927 Coronation Stakes, St Leger Stakes and Nassau Stakes winner
Boston Harbor: 1996 Breeders' Cup Juvenile winner
Bostonian: 1927 Preakness Stakes winner
Boucher: 1972 St Leger Stakes winner
Bounding Home: 1944 Belmont Stakes winner
Bourbon: 1777 St Leger Stakes winner
Bow Echo: 2026 2000 Guineas Stakes and St James's Palace Stakes winner
Bowling Brook: 1898 Belmont Stakes winner
Brave Raj: 1986 Breeders' Cup Juvenile Fillies winner and American champion 2-year-old filly
Bret Hanover: One of only nine pacers to win the Triple Crown of Harness Racing for Pacers; had 62 wins from 69 starts; the only horse to be made Harness Horse of the Year three times
Brian Boru: 2003 St Leger Stakes winner
Brian's Time: American-trained racehorse with a successful stud career in Japan, sire of Japanese Triple Crown winner Narita Brian
Bricks and Mortar: 2019 Breeders' Cup Turf winner and American Horse of the Year
Brigadier Gerard: Winner of 17 of 18 races in England, including the 2000 Guineas and 11 other Group I races; joint third highest Timeform flat rating of all time
British Idiom: 2019 Breeders' Cup Juvenile Fillies and American champion two-year-old filly
Brocco: 1993 Breeders' Cup Juvenile and 1994 Santa Anita Derby winner
Brokers Tip: 1933 Kentucky Derby winner, only race horse who's sole win was the Kentucky Derby
Broomspun: 1921 Preakness Stakes winner
Bruni: 1975 St Leger Stakes winner
Bryn Mawr: 1904 Preakness Stakes winner
Bubbling Over: 1926 Kentucky Derby winner
Buchanan: 1884 Kentucky Derby winner
Buck's Boy: 1998 Breeders' Cup Turf winner and American champion male turf horse
Buckpasser: Won 15 consecutive races; one of the great broodmare sires
Buddhist: 1889 Preakness Stakes winner
Buena Vista: Won 6 Grade I races, including two of the Japanese Triple Tiara in 2009; 2010 Japanese Horse of the Year
Burgomaster: 1906 Belmont Stakes winner
Burgoo King: 1932 Kentucky Derby and Preakness Stakes winner
Burlington: 1890 Belmont Stakes winner
Burnham Square: 2025 Blue Grass Stakes winner
Buskin: 1913 Preakness Stakes winner
Bustino: 1974 St Leger Stakes and 1975 Coronation Cup winner. Later a successful sire, and a leading broodmare sire in Britain and Ireland
Byzantine Dream: Active Japanese racehorse and 2025 Prix Foy winner; came second in the 2025 Tennō Shō (Spring) to Redentor

C

Cadland: Winner of the 2000 Guineas Stakes and the Epsom Derby in 1828
Cairngorm: 1905 Preakness Stakes winner
Cajun Beat: 2003 Breeders' Cup Sprint winner
Calandagan: Irish-bred racehorse with notable Grade 1 wins across several countries, including a 2025 Japan Cup win that set a world record for 2400 meters on turf
Caleb's Posse: 2011 Breeders' Cup Dirt Mile winner
Calidoscopio: Argentinian horse that won the Breeders' Cup Marathon in 2012
California Chrome: Won the 140th Kentucky Derby; won the Preakness; won the 2016 Dubai World Cup; two-time American Horse of the Year
California Flag: 2009 Breeders' Cup Turf Sprint winner
Caligula: 1920 St Leger Stakes winner
Call Boy: 1927 Epsom Derby winner
Calstone Light O: 2004 Sprinters Stakes winner
Calvin: 1875 Belmont Stakes winner
Cambremer: 1956 St Leger Stakes and 1957 Prix du Cadran winner
Camelot: Winner of the 2000 Guineas Stakes, Epsom Derby, and Irish Derby in 2012
Cameronian: Winner of the 2000 Guineas Stakes and Epsom Derby in 1931
Candy Spots: 1963 Preakness Stakes winner
Cannonade: 1974 Kentucky Derby winner
Cañonero II: Venezuelan horse that won the 1971 Kentucky Derby and Preakness Stakes
Cantelo: 1959 St Leger Stakes winner
Capot: 1949 Preakness Stakes and Belmont Stakes winner, American Horse of the Year
Capote: 1986 Breeders' Cup Juvenile winner
Capri: 2017 Irish Derby and St Leger Stakes winner
Captain Cuttle: 1922 Epsom Derby winner
Captain Steve: 2001 Dubai World Cup winner
Cara Rafaela: Grade 1 Alcibiades Stakes winner (1995), later a leading broodmare
Caractacus: 1862 Epsom Derby winner
Caravel: Winner of the Breeders' Cup Turf Sprint in 2022 and the Jaipur Stakes in 2023
Carbine: Outstanding racehorse and sire; winner of the Melbourne Cup
Cardigan Bay: New Zealand's "million dollar pacer"; the first to win a million in the US; appeared on The Ed Sullivan Show
Cardinal Beaufort: 1805 Epsom Derby winner
Caressing: 2000 Breeders' Cup Juvenile Fillies winner
Carry Back: 1961 Kentucky Derby and Preakness Stakes winner, listed as #83 on Top 100 American racehorses of the 20th Century
Cash Run: 1999 Breeders' Cup Juvenile Fillies winner
Castleshane: Winner of eight flat races and two jumps
Cat Thief: 1999 Breeders' Cup Classic winner
Cavalcade: 1934 Kentucky Derby winner and American Horse of the Year
Cavan: Irish-bred horse that won the 1958 Belmont Stakes
Caveat: 1983 Belmont Stakes winner
Ce Ce: 2021 Breeders' Cup Filly & Mare Sprint winner and American champion female sprint horse
Cedric: 1824 Epsom Derby winner
Celtic Ash: British-bred horse that won the 1960 Belmont Stakes
Cempaka: 1976 Indonesia Derby Winner
Cesario: Japanese-bred racehorse, winner of the 2005 Yushun Himba and American Oaks
Chaldean: 2023 2000 Guineas Stakes winner
Challacombe: 1905 St Leger Stakes winner
Challedon: 1939 Preakness Stakes winner, American Horse of the Year in 1939 and 1940. Ranked a Top 100 American racehorse of the 20th Century
Chamant: 1877 2000 Guineas Stakes winner
Champagne Room: 2016 Breeders' Cup Juvenile Fillies winner
Champion: 1800 Epsom Derby and St Leger Stakes winner
Chance Shot: 1927 Belmont Stakes winner
Chant: 1894 Kentucky Derby winner
Charismatic: Winner of the 1999 Kentucky Derby and Preakness Stakes
Charles the Twelfth: Winner of the St Leger Stakes in the year 1839.
Charlottown: Epsom Derby winner in 1966
Chateaugay: 1963 Kentucky Derby and Belmont Stakes winner
Cherokee Run: 1994 Breeders' Cup Sprint winner, American champion sprint horse
Cheval Grand: Winner of the 2017 Japan Cup
Chief Bearhart: Canadian horse the won the 1996 Breeders' Stakes and the 1997 Breeders' Cup Turf. Canadian horse of the year in 1997 and 1998, and American champion male turf horse in 1997
Chief's Crown: 1984 Breeders' Cup Juvenile and 1985 Blue Grass Stakes winner. Later a successful sire
Chorister: 1831 St Leger Stakes winner
Christmas Day: 2026 Epsom Derby winner
Chrono Genesis: 2020 JRA Special Award winner due to her victories in the Takarazuka Kinen and Arima Kinen in that year
Chulmleigh: 1937 St Leger Stakes winner
Churchill: Winner of the 2017 2000 Guineas Stakes and the Irish 2,000 Guineas
Cicero: Winner of the 1905 Epsom Derby as the shortest-priced successful favourite in the history of the event
Cigar: Champion in the 1990s who won 16 consecutive races
Citation: U.S. Triple Crown winner (1948); also won 16 consecutive major stakes races; first horse to earn $1 million
Citizen Bull: 2024 Breeders' Cup Juvenile winner
City of Light: Winner of the 2018 Breeders' Cup Dirt Mile and 2019 Pegasus World Cup
City of Troy: 2024 Epsom Derby winner. Cartier Horse of the Year in 2024
Clairiere: Winner of the 2021 edition of the Cotillion Stakes and 2-time winner of the Ogden Phipps Stakes in both 2022 and 2023.
Classic Cliche: 1995 St Leger Stakes and 1996 Ascot Gold Cup winner
Classic Empire: 2016 Breeders' Cup Juvenile winner
Classy 'n Smart: Winner of two legs of Canadian Triple Tiara, later leading broodmare in North America
Clarissimus: 1916 2000 Guineas Stakes and Champion Stakes winner
Cloud Computing: 2017 Preakness Stakes winner
Cloverbrook: 1877 Preakness Stakes and Belmont Stakes winner
Clyde Van Dusen: 1929 Kentucky Derby winner, named after his trainer Clyde Van Dusen, and is the only Kentucky Derby winner to be named in such a manner
Coastal: 1979 Belmont Stakes winner
Cockney Rebel: 2007 2000 Guineas Stakes and Irish 2,000 Guineas winner
Codex: Winner of the 1980 Preakness Stakes
Cody's Wish: 2022 and 2023 Breeders' Cup Dirt Mile winner, 2023 American Horse of the Year; named after the late Cody Dorman who met him as a foal on a 2018 trip sponsored by Make-a-Wish
Colin: 1908 Belmont Stakes winner, American Horse of the Year in 1907 and 1908, ranked as a top-100 American racehorse of the 20th Century
Colombo: 1934 2000 Guineas Stakes winner
Colonel Holloway: 1912 Preakness Stakes winner
Colonial Affair: 1993 Belmont Stakes winner
Colorado: Winner of the 2000 Guineas Stakes in 1926 and the Eclipse Stakes in 1927
Colt by Fidget: 1797 Epsom Derby winner. Unnamed horse referred to only as being sired by Fidget
Commanche Run: 1984 St Leger Stakes and 1985 Irish Champion Stakes winner
Commander in Chief: Winner of the Epsom Derby and Irish Derby in 1993
Commandment: 2026 Florida Derby winner
Commando: 1901 Belmont Stakes winner, American Horse of the Year in 1900 and 1901, later a leading sire in North America
Commendable: 2000 Belmont Stakes winner
Common: Fifth horse to win the English Triple Crown (1891)
Company: First Japanese eight-year-old horse to win an international G1 race (2009 Tennō Shō (Autumn))
Comrade: First winner of the Prix de l'Arc de Triomphe
Concern: Arkansas Derby and Breeders' Cup Classic winner in 1994
Conduit: Irish-bred horse that won four group-1/grade-1 events, including the 2008 St. Leger Stakes and the 2008 & 2009 Breeders' Cup Turf
Conquistador Cielo: 1982 Belmont Stakes winner and American Horse of the Year
Continuous: 2023 St Leger Stakes winner
Contrail: 2020 Japanese Triple Crown winner and third ever horse to win the Japanese Triple Crown while undefeated, with additional G1 victories in the Hopeful Stakes and Japan Cup
Cool Reception: Canadian Hall-of-Fame horse, won seven consecutive races as a two-year-old
Copano Rickey: Japanese thoroughbred nicknamed the "great actor of the dirt" with eleven total G1/JpnI wins
Corinthian: Inaugural winner of the Breeders' Cup Dirt Mile in 2007
Corniche: 2021 Breeders' Cup Juvenile winner
Coroebus: 2000 Guineas Stakes and St James's Palace Stakes in 2022
Coronach: Winner of the Epsom Derby and St Leger Stakes in 1926
Coronation (France): Winner of the Poule d'Essai des Pouliches and the Prix de l'Arc de Triomphe in 1949
Coronation (UK): 1841 Epsom Derby winner
Cosmah: Influential broodmare, dam of Halo and Tosmah
Cossack: 1847 Epsom Derby winner
Cotherstone: 1843 2000 Guineas Stakes and Epsom Derby winner
Cougar: Chilean-bred horse that competed in the United States. American champion male turf horse in 1972
Count Fleet: sixth winner of the American Triple Crown (1943), named #5 in list of top-100 racehorses of the 20th Century. Later became a leading sire after racing
Count Turf: 1951 Kentucky Derby winner
Counterpoint: 1951 Belmont Stakes winner, 1951 American Horse of the Year
Countess Diana: 1997 Breeders' Cup Juvenile Fillies winner
Country House: Winner of Kentucky Derby 2019 after Maximum Security was demoted from 1st place for interference with other horses
Court Martial: 1945 2000 Guineas Stakes and Champion Stakes winner
Court Vision: Five-time Grade I winner, including 2011 Breeders' Cup Mile
Coventry: 1925 Preakness Stakes winner
Cozzene: 1985 Breeders' Cup Mile winner, American champion male turf horse
Craig an Eran: 1921 2000 Guineas Stakes, St James's Palace Stakes, and Eclipse Stakes winner
Creator: 2016 Belmont Stakes winner
Creme Fraiche: 1985 Belmont Stakes winner
Cremorne: Winner of the 1872 Epsom Derby, Grand Prix de Paris, and 1873 Ascot Gold Cup
Crepello: 1957 2000 Guineas Stakes and Epsom Derby winner
Crisp: Remembered for his epic race in the Grand National with Red Rum
Croix du Nord: Japanese racehorse who won the 2024 Hopeful Stakes, 2025 Tokyo Yūshun, 2026 Osaka Hai, and 2026 Tennō Shō (Spring)
Crow: 1976 St Leger Stakes winner
Crucifix: Winner of the 1000 Guineas Stakes, 2000 Guineas Stakes, and Epsom Oaks in 1840. A successful broodmare after racing
Crusader: 1926 Belmont Stakes winner and American Horse of the Year
Cryptoclearance: Multiple Grade-1 stakes winner
Culpepper: 1874 Preakness Stakes winner
Curlin: Third richest US-based horse of all time, winner of 2007 Preakness Stakes and Breeders' Cup Classic and 2008 Dubai World Cup
Curren Chan: Japanese racehorse known for winning five consecutive sprint races and two JRA Awards
Cut Above: 1981 St Leger Stakes winner
Cwrw: 1812 2000 Guineas Stakes winner

D

Da Hoss: Breeders' Cup Mile winner in 1996 and 1998
Da' Tara: 2008 Belmont Stakes winner
Daedalus: 1794 Epsom Derby winner
Daiichi Ruby: 1991 Yasuda Kinen and Sprinters Stakes winner
Daiwa Major: Winner of the 2004 Satsuki Shō, 2006 Tennō Shō (Autumn), 2006 and 2007 Mile Championship, and 2007 Yasuda Kinen; two-time winner of the JRA Award for Best Sprinter or Miler (2006, 2007)
Daiwa Scarlet: Winner of the Oka Sho, Shuka Sho, and Queen Elizabeth II Cup (Japan), first filly in 37 years to win the Arima Kinen, never placed lower than second in all of her races, and half-sister to Daiwa Major
Damascus: 1967 Preakness Stakes and Belmont Stakes winner, American Horse of the Year and ranked in the Top 100 American racehorses of the 20th Century
Damrosch: 1916 Preakness Stakes winner
Dan Patch: America's greatest pacer. who performed so dominantly in races that other owners would to enter races with him; lived out the remainder of his career performing in time trials and exhibitions as a celebrity
Dance Smartly: Second Canadian filly ever to win the Canadian Triple Crown, and the first to win a Breeders Cup Race
Dancing Brave: 1986 2000 Guineas Stakes and Prix de l'Arc de Triomphe winner. Also won King George VI and Queen Elizabeth Stakes and Eclipse Stakes
Dancing in Silks: 2009 Breeders' Cup sprint winner, co-California horse of the year
Dancing Spree: 1989 Breeders' Cup Sprint winner
Danedream: Winner of the Prix de l'Arc de Triomphe, King George VI and Queen Elizabeth Stakes, Grosser Preis von Berlin, and Grosser Preis von Baden, won the Cartier Champion Three-year-old Filly and German Horse of the Year awards
Danehill: American-bred and British-trained sprint champion who went on to become a champion sire in both the northern and southern hemispheres; the first major "shuttle stallion"
Danehill Dancer: Champion 2-year-old in Ireland that won the Phoenix Stakes and National Stakes. Leading sire in Great Britain and Ireland in 2009
Dangerous: 1833 Epsom Derby winner
Dangerous Midge: American-bred British-trained horse that won the Breeders' Cup Turf in 2010
Daniel O'Rourke: 1852 Epsom Derby winner
Dank: British horse that won the Breeders' Cup Filly & Mare Turf in 2013
Danon Decile: Winner of the 2024 Tokyo Yūshun and 2025 Dubai Sheema Classic
Dante: 1945 Epsom Derby winner
Dantsu Flame: 2002 Takarazuka Kinen winner
Danzig: Most commercially successful sire in the second half of the 20th Century, the sire of nearly 200 graded stakes winners
Danzig Connection: 1986 Belmont Stakes winner
Daring Tact: Winner of the Japanese Triple Tiara in 2020
Darius: 1954 2000 Guineas Stakes and St James's Palace Stakes winner, and 1955 Eclipse Stakes winner
Dark Star: 1953 Kentucky Derby winner
Daryz: 2025 Prix de l'Arc de Triomphe winner
Dauber: 1938 Preakness Stakes winner
David Junior: 2005 Champion Stakes and 2006 Dubai Duty Free and Eclipse Stakes winner
Dawn Approach: 2013 2000 Guineas Stakes and St James's Palace Stakes. Cartier Champion Two-year-old Colt in 2012
Dawn Run: Only horse ever to complete Champion Hurdle, Cheltenham Gold Cup double
Day Star: 1878 Kentucky Derby winner
Dayatthespa: 2014 Breeders' Cup Filly & Mare Turf winner
Daylami: Irish-bred French-trained horse that won 7-grade 1/group 1 races. European Horse of the Year in 1999
Decidedly: 1962 Kentucky Derby winner
Deep Impact: Japanese Triple Crown winner with seven Grade 1 victories, second ever Japanese horse to win the Triple Crown while undefeated; set and held the world record over 3200 metres from 2006 until it was surpassed by Kitasan Black in 2017; seven-time Leading sire in Japan, sire of Gentildonna and Contrail
Delhi: 1904 Belmont Stakes winner, American champion 3-year-old-male in 1904 and champion older horse in 1905
Deputed Testamony: 1983 Preakness Stakes winner, last Maryland-bred horse to win the Preakness
Deputy Minister: Canadian-bred horse who was both American and Canadian champion 2-year-old in 1981, and Canadian Horse of the Year the same year. Later was the lead sire in North America in 1997 and 1998
Desert Crown: 2022 Epsom Derby winner
Desert Gold: Race mare who won 19 races successive races during World War I; often raced against Gloaming
Desert Orchid: Won King George four times and Cheltenham Gold Cup
Determine: 1954 Kentucky Derby winner, first grey horse to win the Kentucky Derby
Diamond Jubilee: 9th horse to win the English Triple Crown (1900), later a leading sire in Argentina
Didelot: 1796 Epsom Derby winner
Diomed: Winner of the inaugural Epsom Derby in 1780
Diophon: 1924 2000 Guineas Stakes winner
Discovery: Top-100 American racehorse of 20th century, 1935 American Horse of the Year
Display: 1926 Preakness Stakes winner
Disraeli: 1898 2000 Guineas Stakes winner
Ditto: 1803 Epsom Derby winner
Djebel: French horse that won 15 of 22 races, including the Prix d'Essai and 2000 Guineas Stakes in 1940, and the Prix de l'Arc de Triomphe in 1942. Later a leading sire in France.
Djohar Manik: Indonesia Triple Crown Winner (2014), won 37 of the 41 races she participated in, the third Triple Crown Winner in Indonesia.
Do Deuce: 2024 Japanese Horse of the Year, winner of the Japanese Derby and Arima Kinen
Domedriver: Irish-bred French-trained horse that won the Breeders' Cup Mile in 2002
Don Enrique: 1907 Preakness Stakes winner
Don't Forget Me: 1987 2000 Guineas Stakes and Irish 2,000 Guineas winner
Donativum: British horse that won the Breeders' Cup Juvenile Turf in 2008
Donau: 1910 Kentucky Derby winner
Doncaster: 1873 Epsom Derby and 1875 Ascot Gold Cup winner, sire of the great Bend Or
Donerail: 1913 Kentucky Derby winner, holds record for biggest upset in Kentucky Derby history after winning with 91-1 odds
Donovan: Winner of the Epsom Derby and St. Leger Stakes in 1889
Dornoch: 2024 Belmont Stakes winner
Dotted Swiss: 1960 Hollywood Gold Cup winner
Doyoun: 1988 2000 Guineas Stakes winner
Dr Devious: Winner of the 1992 Epsom Derby and Irish Champion Stakes
Dr. Fager: "The Doctor"; set the world record at 1 mile on any surface, 1:32 1/5, and held it for more than 20 years. The only horse in American history who in 1968 won 'Racings Grand Slam'.
Dr. Freeland: 1929 Preakness Stakes winner
Dream Journey: Winner of 3 GI races, including the Takarazuka and Arima Kinen of 2009. Full brother of Orfevre.
Dreaming of Anna: Winner of the Breeders' Cup Juvenile Fillies in 2006, and named American champion 2-year-old filly
Drefong: 2016 Breeders' Cup Sprint winner, American champion sprint horse
Drosselmeyer: 2010 Belmont Stakes and 2011 Breeders' Cup Classic winner
Dubai Majesty: 2010 Breeders' Cup Filly & Mare Sprint and American champion female sprint horse
Duke of Magenta: 1878 Preakness Stakes and Belmont Stakes winner
Dunboyne: 1887 Preakness Stakes winner
Duramente: Satsuki Sho and Japanese Derby winner, leading sire whose progeny include Titleholder and Liberty Island
Durbar: French horse that won the 1914 Epsom Derby
Durandal: Winner of 2003 Sprinters Stakes and two-time winner of the Mile Championship
Dust Commander: 1970 Kentucky Derby winner
Dynaformer: Sire of Barbaro

E

Eager: 1791 Epsom Derby winner
Early Voting: 2022 Preakness Stakes winner
Easy Goer: Hall of Fame champion who ran the fastest mile of all time on dirt by any three-year-old Thoroughbred in 1:32.2; ran the second fastest Belmont Stakes of all time behind Secretariat; had a great rivalry with Sunday Silence
Echo Zulu: 2021 Breeders' Cup Juvenile Fillies and American champion two-year-old filly
Eclipse: Celebrated 18th-century racehorse that won 18 races in 18 starts; influential sire
Ecoro Duel: Steeplechase race horse who won four J-G1 races, including the Nakayama Grand Jump twice (2025, 2026), becoming the third horse in JRA history to win three J-G1 steeplechase races
Editor's Note: 1996 Belmont Stakes winner
Effendi: 1909 Preakness Stakes winner, made 160 career starts
Efforia: Winner of 3 Grade I races in Japan.
Eight Belles: First filly to win the Martha Washington Stakes, by a record 13½ lengths
Eillo: Inaugural winner of the Breeders' Cup Sprint
Eishin Flash: Winner of the 2010 Tokyo Yūshun and 2012 Tennō Shō (Autumn)
El Condor Pasa: Winner of Grade I races in Japan and France; first Japanese trained horse to finish 2nd in the Prix de l'Arc de Triomphe
El Gran Senor: American-bred Irish-trained horse that won the 2000 Guineas Stakes and Irish Derby in 1984
Eldaafer: Winner of the Breeders' Cup Marathon in 2010
Eleanor: 1801 Epsom Derby and Epsom Oaks winner, first filly to win the Derby
Election: 1807 Epsom Derby winner, later a leading sire in Britain and Ireland
Elite Power: Two-time winner of the Breeders' Cup Sprint
Eliza: 1992 Breeders' Cup Juvenile Fillies winner
Ellangowan: 1923 2000 Guineas Stakes, St James's Palace Stakes, and Champion Stakes winner
Ellington: 1856 Epsom Derby winner
Elocutionist: 1976 Preakness Stakes winner
Elusive Quality: record-setting sprinter who later became a leading sire in the US, including being the sire of Smarty Jones
Elwood: 1904 Kentucky Derby winner, first horse bred and owned by a woman to win the race
Emilius: 1823 Epsom Derby winner
Empery: 1976 Epsom Derby winner
Empire Maker: 2003 Belmont Stakes winner
Enable: Twice winner of the Prix de l'Arc de Triomphe, record three-time winner of the King George VI and Queen Elizabeth Stakes and the 2018 winner of the Breeders' Cup Turf
English Channel: 2007 Breeders' Cup Turf winner and American champion male turf horse. Successful sire after racing
Enterprise: 1887 2000 Guineas Stakes winner
Enthusiast: 1889 2000 Guineas Stakes and Sussex Stakes winner
Entrepreneur: 1997 2000 Guineas Stakes winner
Epiphaneia: Won the 2013 Kikuka Sho and 2014 Japan Cup; sired the aforementioned Efforia and Daring Tact
Epitome: 1987 Breeders' Cup Juvenile Fillies winner and successful broodmare
Equinox: Two-time winner of the Autumn edition of the Tennō Shō, as well as both Arima and Takarazuka Kinens, and the Dubai Sheema Classic
Erhaab: 1994 Epsom Derby winner
Escena: 1998 Breeders' Cup Distaff winner and American champion older mare
Espoir City: Japanese racehorse specializing in dirt who received the JRA Award for Best Dirt Horse in 2009 and 2010; winner of the Grade 1 Champions Cup in 2009 and February Stakes in 2010, as well as numerous domestic Grade 1 (JpnI) dirt wins
Essential Quality: Winner of the Breeders' Cup Juvenile in 2020, and the Belmont Stakes, Travers Stakes, and Blue Grass Stakes in 2021
Exaggerator: Winner of the 2016 Preakness Stakes
Expert Eye: British-bred horse that won the City of York Stakes and Breeders' Cup Mile in 2018
Exterminator: Exceedingly popular "iron horse" of American racing history

F

Fabius: 1956 Preakness Stakes winner
Fair Play: Successful American Thoroughbred racehorse and very successful sire; sired the great Man o' War
Faireno: 1932 Belmont Stakes winner
Falling In Love: Indonesian racehorse
Fantastic Light: American-bred British-and-Dubai-trained multiple grade-1 stakes winner, including the 2000 Hong Kong Cup, 2001 Prince of Wales's Stakes, Irish Champion Stakes, and Breeders' Cup Turf. American champion male turf horse and European horse of the year in 2001
Fappiano: Major sire, most notably of Unbridled
Faultless: 1947 Preakness Stakes winner
Favonius: 1871 Epsom Derby winner
Favorite Trick: Breeders' Cup Juvenile and American Horse of the Year in 1997.
Felstead: 1928 Epsom Derby winner
Fenian: 1869 Belmont Stakes winner
Fenomeno: Two-time winner of the Tennō Shō (Spring), ranked top in the world in the 2013 World's Best Racehorse Rankings's extended distance category
Ferdinand: winner of the 1986 Kentucky Derby and 1987 Breeders' Cup Classic
Fierceness: 2023 Breeders' Cup Juvenile and 2024 Florida Derby & Travers Stakes winner
Fifinella: 1916 Epsom Derby and Epsom Oaks winner
Fine Motion: Irish-bred Japanese-trained horse that won the Shūka Shō in 2002
Flaming Page: Canadian Oaks and Queen's Plate winner in 1962. Best known as being the dam of Nijinsky.
Flamingo: 1928 2000 Guineas Stakes winner
Flanders: 1994 Breeders' Cup Juvenile Fillies winner
Flightline: 2022 Breeders' Cup Classic winner and American Horse of the Year
Flocarline: First filly to win the Preakness Stakes (1903)
Fly So Free: 1990 Breeders' Cup Juvenile and 1991 Florida Derby winner
Flying Ebony: 1925 Kentucky Derby winner
Flying Fox: Eight horse to win the English Triple Crown (1899). Later a leading sire in France
Flyingbolt: Widely considered as the second best steeplechase horseracer of all-time; stablemate of Arkle; Timeform rated 210. Rated 1 lb inferior to Arkle by the Official Handicapper
Folklore: 2005 Breeders' Cup Juvenile Fillies winner
Fonso: 1880 Kentucky Derby winner
Foolish Pleasure: Winner of the 1975 Kentucky Derby
Footstepsinthesand: 2005 2000 Guineas Stakes winner
Forester: 1882 Belmont Stakes winner
Forever Together (Ireland): 2018 Oaks Stakes winner
Forever Together (US): winner of the Breeders' Cup Filly & Mare Turf in 2008
Forever Unbridled: 2017 Breeders' cup Distaff winner, American champion 3-year-old dirt filly
Forever Young: Winner of the Saudi Cup (2025, 2026), Saudi Derby (2024), UAE Derby (2024), Japan Dirt Classic (2024), Tokyo Daishōten (2024), and the Breeders' Cup Classic (2025). Awarded the JRA Award (2024).
Formosa: Winner of the St Leger Stakes, 1000 Guineas Stakes, Epsom Oaks, and tied for first in a dead-head in the 2000 Guineas Stakes in 1868. First horse to win the English filly's triple crown
Fort Larned: 2012 Breeders' Cup Classic winner
Fort Marcy: Two-time winner of the Washington D.C. International
Forte: 2022 Breeders' Cup Juvenile and 2023 Florida Derby winner
Forward Pass: 1968 Kentucky Derby and Preakness Stakes winner, first horse to inherit a Kentucky Derby win from a disqualification of another horse
Found: Irish horse that won the Breeders' Cup Turf in 2015 and the Prix de l'Arc de Triomphe in 2016. Cartier Champion Older Horse in 2016
Foxford: 1891 Belmont Stakes winner
Fraise: 1992 Breeders' Cup Turf winner
Frankel: Undefeated in 14 career starts; highest rated flat race horse in history: WTR 140;^[2] Timeform 147, Racing Post 143
Frederick: 1829 Epsom Derby winner
Friar Rock: 1916 Belmont Stakes winner and American Horse of the Year
Fuji Kiseki: Undefeated Japanese racehorse in four starts before retirement due to injury, influential breeding stallion
Funny Cide: First gelding since Clyde Van Dusen to win the Kentucky Derby
Fusaichi Pandora: 2006 Queen Elizabeth II Cup winner
Fusaichi Pegasus: 2000 Kentucky Derby winner
Further Ado: 2026 Blue Grass Stakes winner
Furthest Land: 2009 Breeders' Cup Dirt Mile winner

G

Gainsborough: Winner of the English Triple Crown; leading sire
Galcador: 1950 Epsom Derby winner
Galileo: 2001 Epsom Derby and Irish Derby winner. Seven-time Leading sire in Great Britain & Ireland; sire of Frankel; has sired 102 Group 1 winners worldwide as of December 2015
Galileo Gold: 2016 2000 Guineas Stakes and St James's Palace Stakes winner
Gallahadion: 1940 Kentucky Derby winner
Gallant Fox: 2nd winner of the American Triple Crown (1930), #28 on list of Top 100 American racehorses in the 20th Century
Galliard: 1883 2000 Guineas Stakes winner
Galopin: 1875 Epsom Derby winner, leading sire in Great Britain and Ireland 1888, 1889, and 1898
Galtee More: Seventh horse to win the English Triple Crown (1897)
Game Winner: 2018 Breeders' Cup Juvenile
Gamine: 2020 Acorn Stakes and Breeders' Cup Filly & Mare Sprint winner. American champion female sprint horse for 2020
Gang Forward: 1873 2000 Guineas Stakes and St James's Palace Stakes winner
Garden Path: 1944 2000 Guineas Stakes winner
Gate Dancer: 1984 Preakness Stakes winner
Gato Del Sol: 1982 Kentucky Derby winner
Gay Crusader: Winner of the English wartime Triple Crown in 1917
General Duke: 1868 Belmont Stakes winner and American champion 3-year-old colt
Generous: 1991 Epsom Derby and Irish Derby winner
Gentildonna: Japanese Fillies' Triple Crown winner of 2012 and two-time winner of the Japan Cup (2012, 2013) with seven grade 1 victories overall
Genuine Risk: Second filly to win the Kentucky Derby (1980)
George Frederick: 1874 Epsom Derby winner
George Kinney: 1883 Belmont Stakes winner
George Smith, 1916 Kentucky Derby winner
George Washington: 2006 2000 Guineas Stakes winner. Cartier Champion Two-year-old Colt in 2005 and Champion Three-year-old in 2006
Ghanaati: 2009 1000 Guineas Stakes and Coronation Stakes winner
Ghostzapper: 2004 Breeders' Cup Classic winner, American Horse of the Year and World's Top Ranked Horse in 2004
Giacomo: 2005 Kentucky Derby winner
Giant's Causeway: American-bred Irish-trained horse that won 5 Group One races Great Britain and Ireland. Cartier Horse of the Year in 2000. Later a leading sire in both Britain and North America
Gilded Time: 1992 Breeders' Cup Juvenile winner
Gilles de Retz: 1956 2000 Guineas Stakes winner
Ginger Punch: 2007 Breeders' Cup Distaff winner and American champion older mare, successful broodmare in Japan after racing
Girvin: 2017 Haskell Invitational Stakes winner
Gladiateur: French horse that won the English Triple Crown in 1865. Also won Grand Prix de Paris in 1865 and Ascot Gold Cup in 1866. Considered one of the greatest racehorses of the 19th Century
Glass Slippers: British horse that won the Prix de l'Abbaye de Longchamp in 2019 and the Flying Five Stakes & Breeders' Cup Turf Sprint in 2020
Glencoe I: 1834 2000 Guineas Stakes and 1835 Ascot Gold Cup winner. Later a major breeding sire, and the leading sire in North America eight times between 1847 and 1858
Gleneagles: 2015 2000 Guineas Stakes, Irish 2,000 Guineas, and St James's Palace Stakes winner. Cartier Champion Two-year-old Colt in 2014
Gloaming: won 19 successive races in New Zealand and Australia; record was 67 starts for 57 wins and 9 seconds
Go and Go: Irish-bred horse that won the 1990 Belmont Stakes
Go for Gin: 1994 Kentucky Derby winner
Go For Wand: 1989 Breeders' Cup Juvenile Fillies and 1990 Alabama Stakes. American champion two-year-old and three-year-old filly. Ranked a Top 100 American racehorse of the 20th Century
Go Man Go: Champion running Quarter Horse
Golan: 2001 2000 Guineas Stakes and 2002 King George VI and Queen Elizabeth Stakes winner
Gold City: 1986 Hanshin Sansai Stakes winner
Gold Ship: Winner of 6 Grade I races in Japan, two of which were the Takarazuka Kinen (2013, 2014), sire of Meisho Tabaru; well known for his unpredictable temperament
Golden Horn: 2015 Epsom Derby, Irish Champion Stakes, and Prix de l'Arc de Triomphe. Cartier Horse of the Year for 2015
Golden Fleece: 1982 Epsom Derby winner
Golden Miller: Record five-time winner of the Cheltenham Gold Cup; only horse to win the Cheltenham Gold Cup and Grand National in the same year
Golden Pal: Winner of the Breeders' Cup Juvenile Turf Sprint and Breeders' Cup Turf Sprint
Golden Sixty: Won the Champions Mile for three years in a row, as well as a number of other GI races in Hong Kong
Golden Tempo: Winner of the 2026 Kentucky Derby and Belmont Stakes, first winner of said races to be trained by a female trainer (Cherie DeVaux)
Goldencents: American-bred Racehorse and 2-time winner of the Breeders' Cup Dirt Mile in both 2013 and 2014
Goldikova: Irish-bred French-trained horse that won 14 total Group 1 races between Great Britain, France, and the US. Only horse to have won the Breeders' Cup Mile three times (2008–2010). European Horse of the Year in 2010
Goldsmith Maid: Famous harness racing mare of the 19th century^[3]
Good Magic: Winner of the 2017 Breeders Cup: Juvenile, the 2018 Blue Grass Stakes and the 2018 Haskell Stakes
Goodnight Olive: Winner of the Breeders' Cup Filly & Mare Sprint in 2022 and 2023. American champion female sprint horse in 2022 and 2023
Gorgos: 1906 2000 Guineas Stakes winner
Gran Alegria: Japanese mare who dominated various sprint and mile races between 2020 and 2021, with wins including the 2019 Oka Shō, 2020 Yasuda Kinen, 2020 Sprinters Stakes, 2020 and 2021 Mile Championship, and 2021 Victoria Mile
Grand Parade: 1919 Epsom Derby and St James's Palace Stakes winner
Granville: 1936 Belmont Stakes winner and American Horse of the Year
Grass Wonder: Winner of the 1999 Takarazuka and Arima Kinen; sired Screen Hero and Earnestly
Graustark: Favorite to win American Triple Crown races before injury ended his career. Became a successful sire after being forced to retire from racing
Great Communicator: 1988 Breeders' Cup Turf winner
Greek Money: 1962 Preakness Stakes winner
Green Dancer: Winner of the Poule d'Essai des Poulains in 1975. Later a leading sire in France
Grenada: 1880 Preakness Stakes, Belmont Stakes, and Travers Stakes winner
Grey Lag: 1921 Belmont Stakes winner, ranked a Top 100 American racehorse of the 21st Century
Grey Momus: 1838 2000 Guineas Stakes and Ascot Gold Cup winner
Greyhound: Named Trotting Horse of the Century in the US
Grindstone: 1996 Kentucky Derby winner
Groupie Doll: Breeders' Cup Filly & Mare Sprint winner in 2012 and 2013. American champion female sprint horse in 2012 and 2013
Grundy: Winner of the Irish Derby, Irish 2,000 Guineas, and Epsom Derby in 1975
Gulch: 1988 Breeders' Cup Sprint winner, American champion sprint horse
Gun Runner: 2017 Breeders' Cup Classic winner and American Horse of the Year
Gunrock: A Thoroughbred stallion who became the mascot of the UC Davis Aggies sports team
Gustavus: 1821 Epsom Derby winner

H

Haafhd: 2004 2000 Guineas Stakes and Champion Stakes winner
Hail To All: 1965 Belmont Stakes winner
Hail To Reason: American Champion Two-Year-Old Colt of 1960 and leading sire in North America
Haiseiko: Former-NAR racehorse who, after being moved to the JRA, won multiple high stakes races such as the Satsuki Sho and Takarazuka Kinen
Half Time: 1899 Preakness Stakes winner
Halfbridled: 2003 Breeders' Cup Juvenile Fillies winner
Halma: 1895 Kentucky Derby winner, first Kentucky Derby winner to sire another Kentucky Derby winner (sired Alan-a-Dale)
Halo: Two-time American leading sire and sire of Sunday Silence
Hambletonian 10: The "father of American trotting"
Handicapper: 1901 2000 Guineas Stakes winner
Hannibal: 1804 Epsom Derby winner
Hanover: 1887 Belmont Stakes winner and American Horse of the Year. Later was the leading sire in North America for four consecutive years (1895–98)
Hansel: 1991 Preakness Stakes and Belmont Stakes winner, champion American 3-year-old
Hansen: 2011 Breeders' Cup Juvenile winner
Happy Knight: 1946 2000 Guineas Stakes winner
Hard Ridden: Winner of the Irish 2000 Guineas and Epsom Derby in 1958
Harlan's Holiday: 3-time Grade 1 winner, then became a successful sire
Harold: 1879 Preakness Stakes winner
Harry Bassett: 1871 Belmont Stakes winner. Was the American champion 2-year-old, 3-year-old, and older colt in successive years.
Haru Urara: Became known throughout Japan "the shining star of losers everywhere" (負け組の星, makegumi no hoshi) as she never won a single race in her career.^[4]^[5]
Harvester: Tied for the 1884 Epsom Derby win in a dead-heat.
Harzand: 2016 Epsom Derby and Irish Derby winner
Hastings: 1896 Belmont Stakes winner. Sire of Fair Play, who in turn sired the great Man o' War, successful racehorse
Hasty Road: 1954 Preakness Stakes winner
Havre de Grace: 2011 American Horse of the Year
Head Play: 1933 Preakness Stakes winner. Also finished second in a Kentucky Derby battle that saw both his and race winner Brokers Tip's jockeys fight so hard that both would be suspended from racing.
Heart's Cry: Japanese horse who competed against undefeated 2004 Triple Crown winner Deep Impact before handing him his first defeat at the 2005 Arima Kinen; also a successful sire
Heart to Heart: Canadian Hall of Fame horse that won multiple graded stakes, most notable the 2018 Gulfstream Park Turf Handicap
Henbit: 1980 Epsom Derby winner
Henry of Navarre: 1894 Belmont Stakes winner, American Horse of the Year in 1894 and 1895
Henrythenavigator: 2008 2000 Guineas Stakes, Irish 2,000 Guineas, St James's Palace Stakes, and Sussex Stakes winner
Hephestion: 1810 2000 Guineas Stakes winner
Hidden Lake: Grade-1 winning filly, American best dirt female horse in 1997
High Chaparral: Irish horse that won the Epsom Derby in 2002 and the Breeders' Cup Turf in 2002 and 2003 (dead heat with Johar in 2003). American champion male turf horse in 2002 and 2003
High Echelon: 1970 Belmont Stakes winner
High Gun: 1954 Belmont Stakes winner and American champion 3-year-old colt, American champion older colt for 1955
High-Rise: 1998 Epsom Derby winner
Highland Reel: Irish horse that won 7 group 1/grade 1 races. Holds record for most prize money earned by a European racehorse.
High Quest: 1934 Preakness Stakes winner
Hill Gail: 1952 Kentucky Derby winner
Hill Prince: 1950 Preakness Stakes winner and American Horse of the Year, ranked in Top 100 American racehorses of the 20th Century
Hindoo: 1881 Kentucky Derby winner and successful sire
Hindus: 1900 Preakness Stakes winner
His Eminence: 1901 Kentucky Derby winner
Hishi Akebono: 1995 Sprinters Stakes winner, Japanese best sprinter or miler for 1995
Hishi Amazon: Japanese mare known for her strong placements in many races, including several against colts, with victories in the 1993 Hanshin Sansai Himba Stakes and 1994 Queen Elizabeth II Commemorative Cup; winner of the JRA awards for best two-year-old and three-year-old fillies
Hishi Miracle: Winner of the Kikuka Sho in 2002 and the Spring Tennō Shō (Spring) and Takarazuka Kinen in 2003
Hokko Tarumae: Winner of the 2014 JRA Award for Best Dirt Horse
Holiday: 1914 Preakness Stakes winner
Hollywood Wildcat: 1993 Breeders' Cup Distaff winner and American champion 3-year-old filly
Honor A.P.: 2020 Santa Anita Derby winner
Hoop Jr.: 1945 Kentucky Derby winner
Horlicks: New Zealand Racing Hall of Fame inductee; first filly to win the Japan Cup, as well as the first horse from the Southern Hemisphere to win the race^[6]
Hot Rod Charlie: 2021 Pennsylvania Derby winner
Hourless: 1917 Belmont Stakes winner and co-champion American 3-year-old colt
Humorist: 1921 Epsom Derby winner
Hurricane Fly: Irish hurdler, winner of a record 22 Grade I races
Hurryoff: 1933 Belmont Stakes winner
Hyperion: Winner of the Epsom Derby and the St Leger Stakes; top sire for six years in the UK

I

I'll Have Another: Winner of the 2012 Kentucky Derby and Preakness Stakes
Ice Water: Multiple-race winning filly in Canadian graded stakes races
Icecapade: American sprinter, better known as a successful sire
Idiomatic: Multiple grade-1 winner, including 2023 Breeders' Cup Distaff
Ildrim: 1900 Belmont Stakes winner
Immortal Verse: Irish-bred French-trained filly that won the Coronation Stakes and Prix Jacques Le Marois in 2011. Later a successful broodmare
In the Wings: British-bred French-trained horse that won the Coronation Cup, Grand Prix de Saint-Cloud, and Breeders' Cup Turf in 1990
Inari One: Japanese winner on both dirt and turf, with victories in the Tokyo Daishōten, Spring Tennō Shō, Takarazuka Kinen, and Arima Kinen
Indian Blessing: 2007 Breeders' Cup Juvenile Fillies winner
Ines Fujin: Winner of the 1989 Asahi Hai Futurity Stakes and 1990 Tokyo Yūshun
Informed Decision: 2009 Breeders' Cup Filly & Mare Sprint and American champion female sprint horse
Inside Information: 1995 Breeders' Cup Distaff winner and American champion older mare
Inspector B: 1886 Belmont Stakes winner
Inspiral: British horse that won the Coronation Stakes in 2022, the Prix Jacques Le Marois in 2022 & 2023, and the Breeders' Cup Filly & Mare Turf in 2023
Intercontinental: British-bred horse that won the Breeders' Cup Filly & Mare Turf in 2005
Into Mischief: 7-time leading sire in North America
Invasor: Winner of the Uruguayan Triple Crown, as well as the Dubai World Cup and Breeders' Cup Classic
Ipi Tombe: Zimbabwean horse that won the Dubai Turf in 2003
Iridessa: Irish horse that won the Matron Stakes and Breeders' Cup Filly & Mare Turf in 2019
Irish War Cry: Graded-Stakes Winner, noted for his win in the Wood Memorial Stakes and for finishing second in the 2017 Belmont Stakes
Iron Liege: 1957 Kentucky Derby winner
Iroquois: First American-bred racehorse to win the Epsom Derby
Is It True: 1988 Breeders' Cup Juvenile winner
Isinglass: Sixth winner of the English Triple Crown (1893)
Island Sands: 1999 2000 Guineas Stakes winner
Islington: Irish-bred British-trained horse that won the Nassau Stakes in 2002, the Yorkshire Oaks in 2002 & 2003, and the Breeders' Cup Filly & Mare Turf in 2003
Isonomy: Very successful racehorse and sire of The English Triple Crown winner Isinglass.
Itsmyluckyday: Multiple graded stakes winner, finished second in the 2013 Preakness Stakes to Oxbow and won the Woodward Stakes in 2014.
Izvestia: Ninth winner of the Canadian Triple Crown of Horse Racing (1990)

J

Jack d'Or: 2023 Ōsaka Hai winner
Jack Hare Jr.: 1918 Preakness Stakes winner
Jacobus: 1883 Preakness Stakes winner
Jaipur: 1962 Belmont Stakes winner and American champion 3-year-old colt
Jantar Mantar: Winner of the 2023 Asahi Hai Futurity Stakes, the 2024 NHK Mile Cup, and the 2025 Yasuda Kinen and Mile Championship; current record-holder for the Mile Championship
Jay Trump: Three-time winner of the Maryland Hunt Cup and the Grand National
Jaywalk: 2018 Breeders' Cup Juvenile Fillies winner
Jazil: 2006 Belmont Stakes winner
Jean Bereaud: 1899 Belmont Stakes winner, American champion 2-year-old colt in 1898
Jeddah: 1898 Epsom Derby winner
Jet Pilot: 1947 Kentucky Derby winner
Jewel Princess: 1996 Breeders' Cup Distaff winner and American champion older mare
Jim and Tonic: Most successful French racehorse by prize earnings. Winner of the Hong Kong Cup, Hong Kong Mile, Queen Elizabeth II Cup, and Dubai Turf
Jim French: Contender for American Triple Crown races in 1971
Joe Cotton: 1885 Kentucky Derby winner
Joe Daniels: 1872 Belmont Stakes winner
Johannesburg: Multiple group-1 winner, including the 2001 Breeders' Cup Juvenile. Champion 2-year-old in both American and Europe
Johar: Co-won the 2003 Breeders' Cup Turf in a dead heat with High Chaparral.
John Bull: 1792 Epsom Derby winner
John Henry: U.S. Champion Turf Horse (1980, 1981, 1983, 1984)
Johnstown: Winner of the 1939 Kentucky Derby and Belmont Stakes
Johren: 1918 Belmont Stakes winner
Journalism: 2025 Santa Anita Derby, Preakness Stakes, and Haskell Stakes winner
Judge Himes: 1903 Kentucky Derby winner
Judy the Beauty: 2014 Breeders' Cup Filly & Mare Sprint winner
Jungle Pocket: 2001 winner of the Japanese Derby and Japan Cup, sire of Tosen Jordan
Juryoku Pierrot: 2026 Yushun Himba winner
Justify: 2018 winner of the U.S. Triple Crown
Justin Palace: 2023 Spring Tenno Sho winner
Just A Way: Won the Dubai Duty Free in 2014 at a record time still undefeated as of 2023, becoming the best rated horse that year as a result.
Just F Y I: 2023 Breeders' Cup Juvenile Fillies winner

K

Kahyasi: Irish-bred British-trained horse that won the Epsom Derby and Irish Derby in 1988
Kalamoun: British-bred French-trained horse with multiple Group One wins in France, later became a successful sire
Kalanisi: Irish-bred horse that won the Champion Stakes and Breeders' Cup Turf in 2000, named American champion male turf horse and European champion older horse
Kalitan: 1917 Preakness Stakes winner
Kameko: 2020 2000 Guineas Stakes winner
Karakontie: Japanese-bred French-trained horse that won the Poule d'Essai des Poulains and Breeders' Cup Mile in 2014
Kashmir: 1966 2000 Guineas Stakes winner
Katsuragi Ace: First Japanese-trained horse to win the Japan Cup (1984), handed Triple Crown winner Symboli Rudolf his first ever loss
Kauai King: 1966 Kentucky Derby and Preakness Stakes winner, Maryland-bred horse of the year
Kauto Star: Record five-time winner of the King George VI Chase
Kawakami Princess: 2006 Yushun Himba and Shūka Shō winner. JRA Award for Best Three-Year-Old Filly in 2006
Keen Ice: 2015 Travers Stakes winner
Kelso: Only five-time U.S. Horse of the Year, in the list of the top 100 U.S. thoroughbred champions of the 20th Century by The Blood-Horse magazine, Kelso ranks 4th
Kennymore: 1914 2000 Guineas Stakes winner
Kettledrum: 1861 Epsom Derby winner
Ki Ming: 1951 2000 Guineas Stakes winner
Kincsem: Hungarian race mare and most successful racehorse ever, winning all 54 starts in five countries
Kindergarten: Weighted more than Phar Lap in the Melbourne Cup
King Argentin: Indonesia Triple Crown Winner (2025), the fourth Triple Crown Winner in Indonesia
King Halo: Japanese racehorse who won the 2000 Takamatsunomiya Kinen
King Kamehameha: Successful race horse and sire in Japan.
King of Kings: 1998 2000 Guineas Stakes winner
King's Best: 2000 2000 Guineas Stakes winner
Kingcraft: 1870 Epsom Derby winner
Kingfisher: 1870 Belmont Stakes winner
Kingman: 1891 Kentucky Derby winner
Kingsbarns (Ireland): Irish-bred horse, 2012 Racing Post Trophy winner
Kingsbarns (US): US-bred horse, winner of the Stephen Foster Stakes in 2024
Kingston: All-time record holder of the most wins by a horse with 89
Kingston Town: Won three Cox Plates; first Australian horse to top $1million in stakes earnings
Kingsway: 1943 2000 Guineas Stakes winner
Kip Deville: 2007 Breeders' Cup Mile winner. Oklahoma-bred horse of the year in 2007 and 2008
Kirkconnel: 1895 2000 Guineas Stakes winner
Kisber: Hungarian-bred British-trained horse that won the 1876 Epsom Derby and Grand Prix de Paris winner. Later a leading sire in Germany
Kissin George: One of America's premier sprinting Thoroughbred racehorses
Kitasan Black: Won 7 Grade 1 races in Japan including the Kikuka Sho, Tenno Sho (Spring) twice, and Tenno Sho (Autumn), owned by famous enka singer Saburo Kitajima; sire of Equinox and Croix du Nord
Knicks Go: 2021 American Horse of the Year
Knight of Ellerslie: 1884 Preakness Stakes winner
Known Fact: 1980 2000 Guineas Stakes and Queen Elizabeth II Stakes winner
Kona Gold: 2000 Breeders' Cup Sprint winner, American champion sprint horse
Kotashaan: French-bred horse that won the 1993 Breeders' Cup Turf and was named American Horse of the Year
Ksar: Two time winner of the Prix de l'Arc de Triomphe, among numerous other grade 1 victories, leading sire in France
Kris Kin: 2003 Epsom Derby winner
Kurofune: Winner of the 2001 NHK Mile Cup and Japan Cup Dirt
Kyoei March: Winner of the 1997 Oka Shō, maternal grandmother of Marche Lorraine.

L

La Troienne: Most important broodmare of the twentieth century
Ladas: Winner of the 1894 2000 Guineas Stakes and Epsom Derby. Owner by British Prime Minister Lord Roseberry
Lady Aria: 2018 Indonesia Derby Winner
Lady Arion: Daughter of Lady Aria
Lady Centavo: 1996 Indonesia Derby Winner
Lady's Secret: 1986 Breeders' Cup Distaff winner and American Horse of the Year
Lambert Simnel: 1941 2000 Guineas Stakes winner
Lambourn: 2025 Epsom Derby and Irish Derby winner
Lammtarra: American-bred British-trained horse that won the Epsom Derby and the Prix de l'Arc de Triomphe in 1995
Lap-dog: 1826 Epsom Derby winner
Larkspur: Irish horse that won the 1962 Epsom Derby
Lashkari: British-bred horse that won the inaugural Breeders' Cup Turf in 1984
Last Tycoon: Irish-bred French-trained horse that won the Breeders' Cup Mile in 1986. Later a leading sire in Australia
Lavandin: 1956 Epsom Derby winner
Lawrin: 1938 Kentucky Derby winner
Layminster: 1910 Preakness Stakes winner
Le Ksar: 1937 2000 Guineas Stakes winner
Legacy World: 1993 Japan Cup winner
Lei Papale: 2021 Ōsaka Hai winner
Lemberg: Winner of numerous major British stakes races, most notably the 1910 Epsom Derby
Lemon Drop Kid: 1999 Belmont Stakes winner
Leo Durban: Winner of the 1991 Kikuka-shō
Leonatus: 1883 Kentucky Derby winner
Lexington: America's leading 19th-century sire
Liam's Map: 2015 Breeders' Cup Dirt Mile winner
Liberty Island: 2023 Japanese Triple Tiara winner
Lieut. Gibson: 1900 Kentucky Derby winner
Life Is Good: Multiple Grade-I winner, including Breeders' Cup Dirt Mile in 2021 and Pegasus World Cup in 2022
Life Is Sweet: 2009 Breeders' Cup Distaff winner
Life's Magic: 1985 Breeders' Cup Distaff winner, 2-time Eclipse Award winner
Lil E. Tee: 1992 Kentucky Derby winner
Lit de Justice: 1996 Breeders' Cup Sprint winner, American champion sprint horse
Little Current: 1974 Preakness Stakes and Belmont Stakes winner, American champion 3-year-old
Little Mike: 2012 Breeders' Cup Turf winner and Florida-bred horse of the year
Little Wonder: 1840 Epsom Derby winner
Lomond: 1983 2000 Guineas Stakes winner
Lonesome Glory: Only five-time winner of American champion steeplechaser
Longfellow: 19th-century runner and stallion
Lookin At Lucky: Winner of 2010 Preakness Stakes, sired Accelerate and Kentucky Derby winner Country House
Lookout: 1893 Kentucky Derby winner
Lord Clifden: 1863 St. Leger Stakes winner, champion sire in Germany (1872) and Britain & Ireland
Lord Kanaloa: Two time winner of both the Sprinters Stakes in Japan and the Hong Kong Sprint (1876)
Lord Lyon: Third horse to win the English Triple Crown (1866)
Lord Murphy: 1879 Kentucky Derby winner
Lottery: Winner of the Grand National steeplechase in 1839
Louis Quatorze: 1996 Preakness Stakes winner
Louvois: 1913 2000 Guineas Stakes and Prince of Wales's Stakes winner
Loves Only You: Undefeated winner of the 2019 Yushun Himba and current record-holder for the race, who went on to win the Queen Elizabeth II Cup in Hong Kong, the Breeders' Cup Filly & Mare Turf in the United States, and the Hong Kong Cup, all in 2021
Lucency: American-bred, Filipino-trained horse that beat the record for 1300m and 1650m at The Horsemen's Track.
Lucky Debonair: 1965 Kentucky Derby winner
Lucky Lilac: Japanese mare who won the Japan-based Queen Elizabeth II Cup twice and, as a five-year-old, defeated male opponents to win the Ōsaka Hai
Luke McLuke: 1914 Belmont Stakes winner
Lure: Winner of the Breeders' Cup Mile in 1992 and 1993. Ranked a Top 100 American racehorse of the 20th Century
Lyana Nagari: 2022 Indonesia Derby Winner
Lyphard, American-bred French-trained horse, winner of the Prix Jacques Le Marois, later became a significant sire in both countries
Lys Gracieux: 2019 Japanese Horse of the Year

M

Macaroni: 1863 2000 Guineas Stakes and Epsom Derby winner
Macbeth II: 1888 Kentucky Derby winner
Macho Uno: 2000 Breeders' Cup Juvenile winner and successful sire
Mad Play: 1924 Belmont Stakes winner
Mage: 2023 Kentucky Derby winner
Magician: Irish-bred horse that won the Irish 2,000 Guineas and the Breeders' Cup Turf in 2013. Cartier Champion Three-year-old Colt for 2013
Magna Grecia: 2019 2000 Guineas Stakes winner
Mahmoud: French-bred British-trained racehorse, winner of the Epsom Derby in 1936. Became a prominent sire in North America after racing
Mahubah: Dam of Man o' War
Main Sequence: 2014 Breeders' Cup Turf winner
Majestic Prince: 1969 Kentucky Derby and Preakness Stakes winner, listed at #46 of Top 100 American racehorses of the 20th Century
Makahiki: Winner of the 2016 Tokyo Yūshun
Makfi: Winner of the 2010 2000 Guineas Stakes and Prix Jacques Le Marois
Makybe Diva: Won the Melbourne Cup on three occasions
Malathaat: American Champion Three-Year-Old Filly, American Champion Older Dirt Female Horse and winner of the Ashland Stakes, Kentucky Oaks and Alabama Stakes.
Man o' War: Often considered America's greatest racehorse; won 20 of 21 career starts
Man of Iron: Winner of the 2009 Breeders' Cup Marathon
Mandaloun: 2021 Kentucky Derby winner
Manhattan Cafe: Winner of the 2001 Kikuka-sho and Arima Kinen and the 2002 Tennō Shō (Spring), later a leading sire in Japan
Manila: 1986 Breeders' Cup Turf winner and American champion male turf horse
Manna: 1925 2000 Guineas Stakes and Epsom Derby winner
Manuel (Australia): Winner of the C F Orr Stakes in 2019
Manuel (US): Winner of the 1899 Kentucky Derby
Mameluke (UK): 1827 Epsom Derby winner
Mameluke (US): 1951 Blue Grass Stakes winner
Marche Lorraine: Japanese-bred horse that won the 2021 Breeders' Cup Distaff
Margrave: American horse that won the 1896 Preakness Stakes
Marialite: Winner of the 2015 Queen Elizabeth II Cup and 2016 Takarazuka Kinen
Mark of Esteem: 1996 2000 Guineas Stakes winner
Martial: 1960 2000 Guineas Stakes winner
Maruzensky: Undefeated Japanese racehorse and successful sire
Marvelous Sunday: 1997 Ōsaka Hai and Takarazuka Kinen winner
Maryfield: Canadian horse that won the 2007 Breeders' Cup Filly & Mare Sprint
Masar: 2018 Epsom derby winner
Master Charlie: winner of the 1924 Remsen Stakes, Tijuana Futurity, Hopeful Stakes, Kentucky Jockey Club Stakes; awarded 1924 American Champion Two-Year-Old-Male/Colt
Master Derby: 1975 Preakness Stakes winner, later a leading broodmare sire in Britain and Ireland
Master of The Seas: Multiple grade-1 winning Irish horse that won the Woodbine Mile and the Breeders' Cup Mile in 2023
Masterman: 1902 Belmont Stakes winner
Mate: 1931 Preakness Stakes winner
Matikanefukukitaru: 1997 Kikuka Sho winner
Matikanetannhauser: 1993 Meguro Kinen winner
Maurice: 2015 Japanese Horse of the Year and recipient of the JRA Award for Best Sprinter or Miler, also in 2015
Maximum Security: Winner of Kentucky Derby 2019 before disqualification from 1st place for disturbing other horses
Mayano Top Gun: 1995 Japanese Horse of the Year, winner of the Arima Kinen, Kikuka Sho, Takarazuka Kinen, and Tenno Sho (Spring)
Medina Spirit: Finished first in 2021 Kentucky Derby before later being disqualified for illegal drug usage. The incident resulted in major controversy for his trainer Bob Baffert, that led to his horses being banned from Churchill Downs until 2024.
Meadow Star: 1990 Breeders' Cup Juvenile Fillies and 1991 Acorn Stakes winner
Meisho Doto: Came second to his rival T. M. Opera O in five consecutive G1 races before defeating him in the 2001 Takarazuka Kinen
Meisho Samson: Winner of the 2007 Spring and Autumn Tennō Shō
Meisho Tabaru: Winner of the 2025 and 2026 Takarazuka Kinen
Mejiro Ardan: 1989 Takamatsunomiya Hai winner
Mejiro Dober: 1996 Yushun Himba and Shūka Shō winner, 1998 & 1999 Queen Elizabeth II Cup winner
Mejiro McQueen: Two-time winner of the Tenno Sho (spring), among other Grade 1 victories
Mejiro Palmer: Fifth horse in history to win the Takarazuka Kinen and Arima Kinen in the same racing season (1992)
Mejiro Ramonu: First Triple Tiara winner of Japan
Mejiro Ryan: 1991 Takarazuka Kinen winner
Melton: 1885 Epsom Derby and St Leger Stakes winner
Mendelssohn: Winner of the 2017 Breeders' Cup Juvenile Turf and the 2018 UAE Derby
Meridian: 1911 Kentucky Derby winner, retroactively named 1911 American Horse of the Year
Merry Hampton: 1887 Epsom Derby winner
Meteor: 1842 2000 Guineas Stakes winner
Mid-day Sun: 1937 Epsom Derby winner
Middleground: 1950 Kentucky Derby and Belmont Stakes winner, American Horse of the Year
Middleton: 1825 Epsom Derby winner
Midnight Lute: Two-time winner of the Breeders' Cup Sprint, American champion sprint horse in 2007
Midshipman: 2008 Breeders' Cup Juvenile winner
Miesque: American filly with 10 total Grade I wins in Britain, France, and America, including the 1000 Guineas Stakes (1987), Poule d'Essai des Pouliches (1987), and the Breeders' Cup Mile (1987 & 1988). Ranked a Top 100 American racehorse of the 20th Century
Miesque's Approval: 2006 Breeders' Cup Mile winner and American champion male turf horse
Midday: British horse that won the Nassau Stakes a record three times (2009–2011). Also won Yorkshire Oaks, Prix Vermeille, and Breeders' Cup Filly & Mare Turf
Might and Power: World Champion Stayer (1997); Australian Horse of the Year (1998, 1999)
Mihono Bourbon: Japanese Triple Crown contender, winning the 1992 Satsuki Shō and Tokyo Yūshun while undefeated and finishing second in the Kikuka-shō
Mikki Queen: 2015 Japanese Double Tiara winner
Mill George: Successful sire, particularly in Japan
Mill Reef: American-bred British-trained racehorse, winner of the Epsom Derby and Prix de l'Arc de Triomphe in 1971. Considered one of the greatest racehorses to run in Europe post-World War II
Milord: Indonesian racehorse
Mine That Bird: 2009 Kentucky Derby winner
Minoru: 1909 2000 Guineas Stakes and Epsom Derby winner
Miss Alleged: American-bred French-trained horse that won the 1991 Breeders' Cup Turf, first of only two fillies to win the event
Miss Disco: American sprinter racehorse, later became known as the dam of Bold Ruler
Mister Baileys: 1994 2000 Guineas Stakes winner
Mitole: Churchill Downs Stakes and Breeders' Cup Sprint winner in 2019, American champion sprint horse
Mizdirection: Winner of the Breeders' Cup Turf Sprint in 2012 and 2013
Mo Donegal: 2022 Belmont Stakes winner
Modern Games: Irish-bred British-trained horse that won the 2021 Breeders' Cup Juvenile Turf and 2022 Poule d'Essai des Poulains and Breeders' Cup Mile. 2022 American champion male turf horse
Moifaa: First New Zealand horse to win the Grand National
Moira: Canadian-bred horse that won the Queen's Plate in 2022 and Breeders' Cup Filly & Mare Turf in 2024. Canadian Horse of the Year in 2022
Mon Fils: 1973 2000 Guineas Stakes winner
Mon Talisman: Winner of the Prix de l'Arc de Triomphe and French Derby
Monarchos: 2001 Kentucky Derby winner, second Kentucky Derby winner with a time under two minutes
Monomoy Girl: 2018 and 2020 Breeders' Cup Distaff winner, American champion 3-year old filly in 2018, and champion older mare in 2020
Montague: 1890 Preakness Stakes winner
Montjeu: Irish-bred French-trained horse that won the Irish Derby and Prix de l'Arc de Triomphe in 1999. Later a top sire in Europe producing numerous graded stakes winners
Montrose: 1887 Kentucky Derby winner
Moon Madness: Winner of the 1986 St Leger Stakes and 1987 Grand Prix de Saint-Cloud
Morston: 1973 Epsom Derby winner
Morvich: 1922 Kentucky Derby winner
Moses: 1822 Epsom Derby winner
Motivator: 2005 Epsom Derby winner
Mr. C. B.: Japanese Triple Crown winner and 1983 Japanese Horse of the Year; inducted into the Japan Racing Association Hall of Fame in 1986
Mr Jinks: 1929 2000 Guineas Stakes and St James's Palace Stakes winner
Mr. Prospector: One of the most successful U.S. sires of the late 20th century
Mucho Macho Man: 2013 Awesome Again Stakes and Breeders' Cup Classic winner
Mundig: 1835 Epsom Derby winner
Museum Mile: winner of the 2025 Satsuki Shō and Arima Kinen and recipient of the 2025 JRA Award for Best Three-Year-Old Colt
Musical Romance: 2011 Breeders' Cup Filly & Mare Sprint and American champion female sprint horse
Musjid: 1859 Epsom Derby winner
Muth: 2024 Arkansas Derby winner
My Babu: 1948 2000 Guineas Stakes winner, later became major sire of eventing and show jumping horses
My Flag: 1995 Breeders' Cup Juvenile Fillies and 1996 Coaching Club American Oaks winner
My Love: French-trained horse that won the 1948 Epsom Derby and Grand Prix de Paris winner
My Miss Aurelia: 2011 Breeders' Cup Juvenile Fillies winner
Mystere: Indonesia Triple Crown Winner (1978), first Triple Crown Winner in Indonesia
Mystik Dan: Winner of the 2024 Kentucky Derby
Mystiko: 1991 2000 Guineas Stakes and Challenge Stakes winner

N

Naga Sembilan: 2025 Indonesian Star of Stars and 2024 Piala Raja Hamengku Buwono X winner
Nakayama Festa: 2010 Takarazuka Kinen winner
Napoleon Solo, 2026 Preakness Stakes winner
Narita Brian: 1994 Japanese Triple Crown winner
Narita Taishin: 1993 Satsuki Shō winner
Narita Top Road: Winner of the 1999 Kikuka-shō.
Nashua: 1955 Preakness Stakes and Belmont Stakes winner, best known for a match race against Swaps. American Horse of the Year in 1955
Nashwan: 1989 2000 Guineas Stakes and Epsom Derby winner
Nasrullah: One of the most successful Thoroughbred sires of the 20th century, grandsire to Secretariat
Natalma: Major broodmare, best known as the dam of Northern Dancer
National Treasure: 2023 Preakness Stakes winner
Native Dancer (also nicknamed the Gray Ghost): Won 21 of 22 career races, with only loss in the Kentucky Derby; sire whose descendants have come to dominate modern American Triple Crown racing
Nearco: Italian bred Thoroughbred racehorse. ''Thoroughbred Heritage'' described him as "one of the greatest racehorses of the Twentieth Century" and "one of the most important sires of the century." He was undefeated and his sire line was dominant.
Nearctic: Canadian Horse of the Year in 1958, later became major sire, most notably of Northern Dancer
Nearula: 1953 2000 Guineas Stakes, St James's Palace Stakes, and Champion Stakes winner
Nebbiolo: 1977 2000 Guineas Stakes winner
Needles: The first Florida-bred horse to win the Kentucky Derby (1956), also won the Belmont Stakes
Nefertiti: 1999 Indonesia Derby Winner
Neil Gow: 1910 2000 Guineas Stakes and Eclipse Stakes winner
Nellie Morse: 1924 Preakness Stakes winner and influential broodmare
Neo Universe: Winner of the 2003 Satsuki Shō and Tokyo Yūshun, as well as the 2004 Osaka Hai; sire of Victoire Pisa
Nest: Multiple Grade 1 events winner, American champion 3-year-old filly for 2022
Never Bend: American champion two-year-old in 1962, later became a leading sire in Great Britain
New Approach: 2008 Epsom Derby, Irish Champion Stakes, and Champion Stakes winner
New Year's Day: 2013 Breeders' Cup Juvenile winner
Niatross: Pacer who won 37 of his 39 races and broke many records, considered to be one of the greatest harness racers of all time
Nice Nature: Nicknamed "The Bronze Collector", Nice Nature became known for finishing third in the Arima Kinen for 3 years in a row, and post-retirement became the focus of a donation drive to help retired horses like himself
Night of Thunder: 2014 2000 Guineas Stakes winner
Night Raid: Sire of Phar Lap
Nijinsky: Last horse to win the English Triple Crown (1970)
Niksar: 1965 2000 Guineas Stakes winner
Nimbus (France): Winner of the Prix de Sablons, Prix Biennal, and Prix du Cadran in 1914.
Nimbus (UK): 1949 2000 Guineas Stakes and Epsom Derby winner
Nishino Flower: Winner of the 1991 Hanshin Sansai Himba Stakes, 1992 Oka Sho, and 1992 Sprinters Stakes
Noble: 1786 Epsom Derby winner
Nonoalco, 1974 2000 Guineas Stakes winner
Norman: 1908 2000 Guineas Stakes winner
North Flight: Japanese racehorse with 8 wins in 11 starts, including the 1994 Yasuda Kinen and Mile Championship
North Light: 2004 Epsom Derby winner
Northern Dancer: Canada's champion on the racetrack; most successful sire of the 20th century
Northern Queen: 1965 Canadian Oaks winner
Northern Spur: Irish-bred horse that won the 1995 Breeders' Cup Turf and was named American champion male turf horse
Northern Taste: Winner of the 1974 Prix de la Forêt and one of the most successful leading sires in Japanese history
Notable Speech: British horse with multiple Group 1 wins, including the 2000 Guineas Stakes in 2024 and the Breeders' Cup Mile in 2025
Nownownow: Winner of the inaugural Breeders' Cup Juvenile Turf in 2007
Nysos: Breeders' Cup Dirt Mile winner in 2025
Nyquist: 2016 Kentucky Derby winner

O

Oath: 1999 Epsom Derby winner
Ocean Swell: Winner of the 1944 Epsom Derby and Jockey Club Cup, and the 1945 Ascot Gold Cup
Octavius: 1812 Epsom Derby winner
Oedipus: Winner of the American Steeplechase triple crown
Oguri Cap: JRA Hall of Fame inductee; winner of many Grade 1 races and ushered in an era of heightened popularity of the sport during his racing career
Oju Chosan: JRA Hall of Fame inductee; steeplechase race horse who won 9 JG1 races, most notably winning the Nakayama Grand Jump five times in a row.
Old England: 1902 Preakness Stakes winner
Old Rosebud: 1914 Kentucky Derby winner and a top 100 American racehosrse of the 20th Century. Raced for 10 years and won 40 races in 80 starts before a fatal injury in his last race.
Omaha: Third horse to win the American Triple Crown (1935), #61 on list of Top 100 racehorses of 20th Century
Omar Khayyam: British-born racehorse that won the 1917 Kentucky Derby, the first foreign-born horse to win the race. Named after Persian mathematician, poet, and astronomer Omar Khayyam.
One Count: 1952 Belmont Stakes winner, 1952 American Horse of the Year
One Dreamer: 1994 Breeders' Cup Distaff winner
Open Mind: Breeders' Cup Juvenile Fillies winner in 1988 and Kentucky Oaks winner in 1989. Won the American Triple Tiara in 1989. Champion American filly as a two and three year old.
Opening Verse: 1991 Breeders' Cup Mile winner
Opera House: British racehorse who sired T. M. Opera O
Orb: 2013 Kentucky Derby winner
Orby: 1907 Epsom Derby and Irish Derby winner
Order of Australia: Irish horse that won the Breeders' Cup Mile in 2020
Orfevre: 2011 Japanese Triple Crown winner, and is one of the highest earning racehorses ever valued almost 20 million US dollars, sire of Juryoku Pierrot, Lucky Lilac, and Marche Lorraine
Orientate: 2002 Breeders' Cup Sprint winner, American champion sprint horse
Orlando: 1844 Epsom Derby
Ormonde: Undefeated horse that was the 4th English Triple Crown winner (1886)
Orwell: 1932 2000 Guineas Stakes winner
Oscar Performance: Winner of the 2016 Breeders' Cup Juvenile Turf, the Belmont Derby in 2017, and the Woodbine Mile in 2018
Ouija Board: British horse that won multiple Group One races, including the 2004 Epsom Oaks and Irish Oaks, and 2004 & 2006 Breeders' Cup Filly & Mare Turf. European Horse of the Year in 2004 and 2006
Our Babu: 1955 2000 Guineas Stakes winner
Outstandingly: Won the inaugural Breeders' Cup Juvenile Fillies in 1984, and named American champion 2-year-old filly
Outstrip: British horse that won the 2013 Breeders' Cup Juvenile Turf
Overdose: Champion Hungarian sprinter and winner of 14 straight races.
Owen Tudor: 1941 Epsom Derby winner
Oxbow: 2013 Preakness Stakes winner

P

Palace Malice: 2013 Belmont Stakes winner
Palestine: 2000 Guineas Stakes, St James's Palace Stakes, and Sussex Stakes winner in 1950
Pall Mall: Winner of the 2000 Guineas Stakes in 1958. Owned by Queen Elizabeth II
Pan: 1808 Epsom Derby winner
Panique: 1884 Belmont Stakes winner
Panthalassa: First Japanese horse to win the Saudi Cup
Papyrus: 1923 Epsom Derby winner
Paradox: 1885 2000 Guineas Stakes and Grand Prix de Paris winner
Paris: 1806 Epsom Derby winner
Parth: Winner of the 1923 Prix de l'Arc de Triomphe
Parthia: 1959 Epsom Derby and 1960 Jockey Club Cup winner
Pasch: 1938 2000 Guineas Stakes and Eclipse Stakes winner
Paseana: Argentinian horse that won 10 Grade-1 races between Argentina and the United States, including the 1992 Breeders' Cup Distaff
Pass Catcher: 1971 Belmont Stakes winner
Pasteurized: 1938 Belmont Stakes winner
Pastille: 1822 2000 Guineas Stakes and Epsom Oaks winner
Patron: 1894 Melbourne Cup winner
Paul Jones: 1920 Kentucky Derby winner
Paul Kauvar: 1897 Preakness Stakes winner
Pavot: 1945 Belmont Stakes winner, American champion 2-year-old colt in 1944
Pay the Butler: American-bred horse, winner of the Japan Cup in 1988
Pay Up: 1936 2000 Guineas Stakes winner
Peace Chance: 1934 Belmont Stakes winner
Pearl Diver: 1947 Epsom Derby winner
Pebbles: British-bred horse that won the 1984 1000 Guineas Stakes and 1985 Eclipse Stakes, Champion Stakes, and Breeders' Cup Turf
Pennekamp: American-bred, French-trained horse that won the Prix de la Salamandre in 1994 and the 2000 Guineas Stakes in 1995
Pensive: 1944 Kentucky Derby and Preakness Stakes winner
Peregrine: 1881 2000 Guineas Stakes winner
Perfect Shirl: 2011 Breeders' Cup Filly & Mare Turf winner
Perfect Sting: 2000 Breeders' Cup Filly & Mare Turf winner
Persimmon: Winner of the Epsom Derby and St Leger Stakes in 1896, and the Ascot Gold Cup in 1897
Personal Ensign: 1988 Breeders' Cup Distaff winner, undefeated in 13 races
Personality: 1970 Preakness Stakes winner and American Horse of the Year
Peter Pan (Australia): winner of the Melbourne Cup in 1932 and 1934.
Peter Pan (US): Winner of the Belmont Stakes in 1907, and had the Peter Pan Stakes named in his honor
Petrarch: Winner of the 1876 2000 Guineas Stakes and St Leger Stakes, and the 1877 Ascot Gold Cup
Petronel: 1880 2000 Guineas Stakes winner
Phalanx: 1947 Belmont Stakes winner and American champion 3-year-old colt
Phantom: 1811 Epsom Derby winner
Phar Lap: Australia and New Zealand's most famed Thoroughbred racehorse; won 37 of his 51 career starts
Phil Drake: 1955 Epsom Derby and Grand Prix de Paris winner
Phone Chatter: 1993 Breeders' Cup Juvenile Fillies winner
Phosphorus: 1837 Epsom Derby winner
Pilgrimage: 1878 1000 Guineas Stakes and 2000 Guineas Stakes winner
Pillory: 1922 Preakness Stakes and Belmont Stakes winner
Pilsudski: Irish-bred horse that won Grade-I stakes in numerous countries, including the Grosser Preis von Baden and Breeders' Cup Turf in 1996, the Eclipse Stakes, Irish Champion Stakes, and Champion Stakes in 1997, and the Japan Cup in 1998
Pindarrie: 1820 2000 Guineas Stakes winner
Pine Bluff: 1992 Preakness Stakes winner
Pink Star: 1907 Kentucky Derby winner
Pinza: 1953 Epsom Derby and King George VI and Queen Elizabeth Stakes winner
Pioneerof the Nile: Sire of American Triple Crown winner American Pharoah
Pixie Knight: 2021 Sprinters Stakes winner
Plaudit: 1898 Kentucky Derby winner
Pleasant Colony: 1981 Kentucky Derby and Preakness Stakes winner
Pleasant Tap: 1992 Jockey Club Gold Cup and Churchill Downs Handicap winner, and American champion older male horse for 1992. A successful sire after retiring
Pleasant Stage: 1991 Breeders' Cup Juvenile Fillies winner
Pleasantly Perfect: 2003 Breeders' Cup Classic winner
Plenipotentiary: 1834 Epsom Derby and St James's Palace Stakes winner
Pocahontas: Major broodmare, considered one of the most influential breeding thoroughbreds of all time, male or female
Poetic Flare: Winner of the 2000 Guineas Stakes and St James's Palace Stakes in 2021
Point Given: 2001 Preakness Stakes and Belmont Stakes winner, American Horse of the Year
Polynesian: 1945 Preakness Stakes winner, sire of Native Dancer
Pommern: Winner of the English wartime Triple Crown in 1915
Ponder: 1949 Kentucky Derby winner
Pont l'Eveque: British horse that won the Epsom Derby in 1940
Popcorn Deelites: The main horse who played Seabiscuit in the Oscar Nominated film Seabiscuit
Pope: 1809 Epsom Derby winner
Potager: 2022 Ōsaka Hai winner
Potoooooooo: 18th-century thoroughbred racehorse who won over 30 races and defeated some of the greatest racehorses of the time.
Pounced: 2009 Breeders' Cup Juvenile Turf winner
Pour Moi: Irish-bred French-trained horse that won the Epsom Derby win 2011
Prairie Bayou: 1993 Preakness Stakes winner
Precisionist: 1985 Breeders' Cup Sprint winner, U.S. champion sprint horse
Pretender: Winner of the 2000 Guineas Stakes and Epsom Derby in 1869
Pretty Polly Irish Thoroughbred racehorse who won 15 consecutive races, fifth filly to win the British Fillies Triple Crown, record 24: 22–2–0
Priam (Indonesia): 1974 Indonesia Derby winner
Priam (UK): 1830 Epsom Derby winner
Prince Leopold: 1816 Epsom Derby winner
Prince Rose: British-bred Belgian-trained racehorse, regarded as best horse in Belgian horse racing history
Princely Gift: British sprinter, later had some success as a sire
Princequillo: Irish-born horse who became a leading sire in North America
Princess Gavi: Indonesian racehorse who won the Pertiwi Cup in 2025 (a 3-year-old mare only racing series)
Princess Rooney: First winner of the Breeders' Cup Distaff, American champion older-mare in 1984
Privy Councillor: 1962 2000 Guineas Stakes winner
Prized: 1989 Breeders' Cup Turf winner
Proud Clarion: 1967 Kentucky Derby winner
Proud Truth: 1985 Florida Derby and Breeders' Cup Classic winner
Psidium: 1961 Epsom Derby winner
Pyrrhus The First: 1846 Epsom Derby winner and notable sire

Q

Qemah: Irish-bred French-trained horse that won the Coronation Stakes and Prix Rothschild in 2016
Quadrangle: 1964 Belmont Stakes winner
Quality Road: 2009 Florida Derby and 2010 Metropolitan Handicap winner. Also a successful sire
Queen of Trumps: 1835 Epsom Oaks and St Leger Stakes winner
Queensway: Won the Canadian Triple Crown
Quest for Fame: 1990 Epsom Derby winner
Questionnaire: Won the Brooklyn Stakes, the Empire City Handicap, and the Metropolitan Handicap in 1931
Quevega: Only horse in the history to win at six consecutive Cheltenham Festivals
Quiet American: Significant sire that produced multiple grade-1 winners
Quill: American champion two-year-old filly, later a successful broodmare
Quiz: 1801 St Leger Stakes winner

R

Rachel Alexandra: Filly and winner of the 2009 Preakness Stakes
Rags to Riches: 2007 Belmont Stakes winner and American champion 3-year-old filly
Rakwool: Australian bay gelding, won the 1931 Grand National Steeplechase
Rapid Dash: 2024 Indonesia Derby Winner
Ratu Mayangkara: 1997 Indonesia Derby Winner, one of the Undefeated Racehorses, with 100% win rate.
Raven's Pass: 2008 Queen Elizabeth II Stakes winner, first English-trained horse to win Breeders' Cup Classic (2008)
Real Quiet: Winner of the 1998 Kentucky Derby and Preakness Stakes; lost the third leg of the U.S. Triple Crown, the Belmont Stakes, by a margin of four inches
Rebel's Romance: Irish-bred British-trained horse that won multiple Group 1/Grade 1 events, including the Grosser Preis von Berlin (2022, 2025), the Preis von Europa (2022, 2024), and the Breeders' Cup Turf (2022, 2024)
Red Bullet: 2000 Preakness Stakes winner
Red Desire: Winner of the 2009 Shūka Shō, well known for her two second-place finishes in Grade 1 races to 2010 Japanese Horse of the Year Buena Vista
Red Rocks: Irish-bred British-trained horse that won the Breeders' Cup Turf in 2006
Red Rum: Only horse in the history of the Aintree Grand National to win the race three times (placed second on two other occasions)
Reference Point: 1987 Epsom Derby and St Leger Stakes winner
Refund: 1888 Preakness Stakes winner
Refuse To Bend: 2003 2000 Guineas Stakes, Queen Anne Stakes, and Eclipse Stakes winner
Regaleira: Japanese racehorse who won the 2023 Hopeful Stakes, 2024 Arima Kinen, and 2025 Queen Elizabeth II Cup
Regret: First filly to win the Kentucky Derby (1915)
Reigh Count: 1928 Kentucky Derby and 1929 Coronation Cup winner. 1928 American Horse of the Year
Rejected: Santa Anita Handicap winner
Relko: French horse that won the Poule d'Essai des Poulains and Epsom Derby in 1964, and the Grand Prix de Saint-Cloud and Coronation Cup in 1964
Renegade: 2026 Arkansas Derby winner
Resistencia: 2019 Hanshin Juvenile Fillies winner and Japanese best two-year-old filly
Rhadamanthus: 1790 Epsom Derby winner
Rhein Kraft: Japanese racehorse who won the 2005 Oka Sho and NHK Mile Cup, unexpectedly died of acute heart failure during training in August 2006
Rhine Maiden: 1915 Preakness Stakes winner
Rhythm: 1989 Breeders' Cup Juvenile winner
Ribot: Thoroughbred undefeated in sixteen races
Rice Shower: Winner of the 1992 Kikka Sho and two-time Tennō Shō winner; euthanized after breaking his leg during the 1995 Takarazuka Kinen
Rich Strike: 2022 Kentucky Derby winner
Riddlesworth: 1831 2000 Guineas Stakes winner
Ridgewood Pearl: Irish filly that won the Irish 1,000 Guineas, Coronation Stakes, Prix du Moulin de Longchamp, and Breeders' Cup Mile in 1995. European Horse of the Year in 1995
Right Tack: 1969 2000 Guineas Stakes, Irish 2,000 Guineas, and St James's Palace Stakes winner
Riley: 1890 Kentucky Derby winner
Risen Star: 1988 Preakness Stakes and Belmont Stakes winner and champion American 3-year-old. Has Risen Star Stakes named after him
Riva Ridge: 1972 Kentucky Derby and Belmont Stakes winner, listed as #57 on Top 100 American racehorses of the 20th Century
Riverman: American-bred French-trained horse, winner of the Poule d'Essai des Poulains and the Prix d'Ispahan. Later became a leading sire in France.
Roberto: 1972 Epsom Derby winner and sire of Brian's Time and Dynaformer
Rock of Gibraltar: Irish horse that won seven consecutive Group 1 races, including the 2000 Guineas Stakes and Irish 2,000 Guineas in 2002. Cartier Horse of the Year in 2002
Rock Sand: English Triple Crown winner (1903); sire of the dam of Man o' War
Rockavon: 1961 2000 Guineas Stakes winner
Rodosto: Winner of the 2000 Guineas Stakes and Poule d'Essai des Poulains in 1933, and the Prix d'Ispahan in 1934
Rodrigo de Triano: American-bred British-trained horse that won the 2000 Guineas Stakes, Irish 2,000 Guineas, International Stakes, and Champion Stakes in 1992. Cartier Champion Three-year-old Colt for 1992
Roland Gardens: 1978 2000 Guineas Stakes winner
Rombauer: 2021 Preakness Stakes winner
Romantic Warrior: Winner of multiple Grade I races in Hong Kong, Australia, and Japan
Roses In May: Winner of the Whitney Handicap in 2004 and Dubai World Cup in 2005
Round Pond: 2006 Breeders' Cup Distaff winner
Round Table: Sire of stakes winners; born in the same barn the same night as Bold Ruler, in 1954
Roy H: Two-time Breeders' Cup Sprint winner, American champion sprint horse in 2017 & 2018
Roy Olcott: Harness racehorse
Royal Academy: Breeders' Cup Mile winner in 1990
Royal Delta: Winner of the Breeders' Cup Ladies' Classic in 2011 and 2012. American champion 3-year-old filly in 2011, and champion older mare in 2012 and 2013
Royal Heroine: Irish horse that won the Child Stakes and Prix de l'Opéra in 1983 and the inaugural Breeders' Cup Mile in 1984
Royal Orbit: 1959 Preakness Stakes winner
Royal Palace: Winner of the 2000 Guineas Stakes and Epsom Derby in 1967
Royal Tourist: 1908 Preakness Stakes winner
Ruffian: Two time winner of the Eclipse Award who won ten consecutive races and was euthanized after breaking her leg in a race at Belmont Park
Ruler of the World: 2013 Epsom Derby winner
Ruler on Ice: 2011 Belmont Stakes winner
Runhappy: 2015 Breeders' Cup Sprint and Malibu Stakes winner, American champion sprint horse
Ruthless: First ever winner of the Belmont Stakes, and the first of only three fillies ever to win the Belmont Stakes

S

Sacahuista: 1987 Breeders' Cup Distaff winner and American champion 3-year-old filly
Sadler's Wells: One of Europe's most successful sires of the late 20th century
Safely Kept, 1990 Breeders' Cup Sprint winner, American champion sprint horse
Sailor: 1820 Epsom Derby winner
Sainfoin: 1890 Epsom Derby winner, namesake for the HMS Sainfoin
Saint Liam: 2005 Breeders' Cup Classic winner and American Horse of the Year
Saint Lite: The first horse to win the Japanese Triple Crown (1941)
Sakura Bakushin O: Winner of 1993 and 1994 Sprinters Stakes
Sakura Chiyono O: Winner of the 1988 Tokyo Yūshun
Sakura Laurel: 1996 Japanese Horse of the Year, winner of the Tenno Sho (spring) and Arima Kinen
Salmon-Trout: 1924 St Leger Stakes winner
Saltram: 1783 Epsom Derby winner
Sam: 1818 Epsom Derby winner
Sancho: 1804 St Leger Stakes winner
Sandman: 2025 Arkansas Derby winner, named after Metallica song "Enter Sandman"
Sandwich: 1931 St Leger Stakes winner
Sansovino: 1924 Epsom Derby and Prince of Wales's Stakes winner
Santa Claus: Winner of the Irish 2,000 Guineas, the Irish Derby, and the Epsom Derby in 1964
Sarava: 2002 Belmont Stakes winner
Sardanapale: Regarded as one of the best French-trained racehorses in history
Sari Pohaci: 1987 Indonesia Derby Winner
Satono Crown: Winner of the 2016 Hong Kong Vase and 2017 Takarazuka Kinen, sired Tastiera
Satono Diamond: Winner of the 2016 Kikka Sho and Arima Kinen
Satono Reve: 2025 & 2026 Takamatsunomiya Kinen winner
Saunterer: 1881 Preakness Stakes and Belmont Stakes winner
Saxon: British-bred American-trained horse that won the 1874 Belmont Stakes
Saxon Warrior: 2018 2000 Guineas Stakes winner
Sayyedati: Winner of the 1000 Guineas Stakes and Prix Jacques Le Marois in 1993, and the Sussex Stakes in 1995
Scandinavia: 2025 St Leger Stakes and 2026 Ascot Gold Cup winner
Scat Daddy: 2006 Champagne Stakes and 2007 Florida Derby winner, a successful sire after injury ended his racing career early
Sceptre: Only horse to win four British classic races (2000 Guineas Stakes, 1000 Guineas Stakes, Epsom Oaks, and St Leger Stakes, all in 1902)
Schnell Meister: German-Bred Japanese-trained horse that won the 2021 NHK Mile Cup
Scorpion: 2005 Grand Prix de Paris and St Leger Stakes winner
Scot Free: 1884 2000 Guineas Stakes winner
Scottish Chieftain: 1897 Belmont Stakes winner
Scottish Union: 1938 St James's Palace Stakes and St Leger Stakes winner
Scratch: Winner of the 1950 Prix du Jockey Club and St Leger Stakes, and the 1951 Prix Jean Prat
Screen Hero: Winner of the 2008 Japan Cup, sire of Maurice
Sea Bird: Winner of the Prix de l'Arc de Triomphe and the Epsom Derby in 1965. Second highest Timeform rated horse (rated 145)
Sea Hero: 1993 Kentucky Derby and Travers Stakes winner
Sea The Moon: 2014 Deutsches Derby winner
Sea The Stars: First horse ever to win the 2,000 Guineas, Epsom Derby, and Arc de Triomphe in the same year (2009)
Seabiscuit: Beat War Admiral in a nationally broadcast 1938 match race; like Phar Lap, raced during the Depression
Seabreeze: 1888 Epsom Oaks, Coronation Stakes, Lancashire Plate, and St Leger Stakes winner
Sealy Hill: First horse to win the Canadian Triple Tiara (2007)
Sunday Silence
Seattle Slew: U.S. Triple Crown winner (1977)
Seattle Smooth: Grade 1 Ogden Phipps Handicap winner (2009)
Secret Circle: 2011 Breeders' Cup Juvenile Sprint, 2013 Breeders' Cup Sprint and 2015 Dubai Golden Shaheen winner
Secretariat: U.S. Triple Crown winner (1973); one of the most famous horses in Thoroughbred racing, influential sire
Secreto: 1984 Epsom Derby winner
Seeking the Pearl: American-bred Japanese-trained horse that won the NHK Mile Cup in 1997 and the Prix Maurice de Gheest in 1998
Sefton: 1878 Epsom Derby winner
Seiun Sky: 1998 Japanese Double Crown winner, taking the Satsuki Shō and Kikuka-shō
Seize the Grey: 2024 Preakness Stakes winner
Serjeant: 1784 Epsom Derby and 1786 1200 Guineas Stakes winner
Serpentine: 2020 Epsom Derby winner
Shaamit: 1996 Epsom Derby winner
Shackleford: 2011 Preakness Stakes winner
Shadeed: 1985 2000 Guineas Stakes and Queen Elizabeth II Stakes winner
Shahrastani: 1986 Epsom Derby and Irish Derby winner
Shahryar: Winner of the 2021 Tokyo Yūshun and 2022 Dubai Sheema Classic
Sham: The main competitor to Secretariat during the 1973 racing season
Shanghai Bobby: 2012 Breeders' Cup Juvenile winner
Shantou: 1996 St Leger Stakes winner
She Be Wild: 2009 Breeders' Cup Juvenile Fillies winner
Sheikh Albadou, British horse, winner of the 1991 Breeders' Cup Sprint
Shenanigans: Leading broodmare, dam of Ruffian
Shergar: Winner of the 1981 Epsom Derby by a record 10 lengths, the longest winning margin in a race run annually since 1781; kidnapped by the IRA in 1983, and was held for ransom, but the owner syndicate refused to pay, fearing that valuable horses would become targets; the stallion was never found
Sherluck: 1961 Belmont Stakes winner
Shinko Lovely: Irish-bred Japanese-trained horse that won the 1993 Mile Championship
Shinzan: Japanese Triple Crown winner of 1964.
Shirley: 1876 Preakness Stakes winner
Shirley Heights: 1978 Epsom Derby and Irish Derby winner
Shirocco: German-bred horse that won the Deutsches Derby in 2004 and Breeders' Cup Turf in 2005. German Horse of the Year in 2005
Shotover: 1882 2000 Guineas Stakes and Epsom Derby winner. First filly to win the first two legs of the English triple crown
Shut Out: 1942 Kentucky Derby and Belmont Stakes winner
Sierra Leone: 2024 Breeders' Cup Classic winner
Signorinetta: 1908 Epsom Derby and Epsom Oaks winner
Silence Suzuka: Winner of the 1998 Takarazuka Kinen, known for an unusually aggressive front-running style, whose legs broke in the Tenno Sho that same year, leading to his untimely euthanization.
Silic: French horse that won the Breeders' Cup Mile in 1999
Silky Sullivan: An American racehorse best known for his come-from-behind racing style.
Silver Charm: winner of the 1997 Kentucky Derby and Preakness Stakes, and of the 1998 Dubai World Cup
Silver Patriarch: 1997 St Leger Stakes and Coronation Cup winner.
Silver Train: 2005 Breeders' Cup Sprint winner
Silverbulletday: 1998 Breeders' Cup Juvenile Fillies winner. Also won the 1999 Kentucky Oaks, Black-Eyed Susan Stakes, and Alabama Stakes
Silvio: 1877 Epsom Derby and St. Leger Stakes winner
Simple Verse: 2015 St Leger Stakes winner. Cartier Champion Stayer for 2015
Singapore: 1930 St Leger Stakes winner
Sinndar: Winner of the 2000 Epsom Derby, Irish Derby and Prix de l'Arc de Triomphe
Sir Barton: First winner of the American Triple Crown (1919), #49 on list of Top 100 American racehorses of the 20th Century
Sir Bevys: 1879 Epsom Derby winner
Sir Dixon: 1888 Belmont Stakes winner
Sir Gallahad: French racehorse who became a leading sire in North America during the 1920s and 1930s
Sir Gaylord: Successful 2-year-old in 1961, became a successful sire after injury ended his racing
Sir Harry (Canada): Winner of the 1927 Coffroth Handicap
Sir Harry (UK): 1798 Epsom Derby winner
Sir Hugo: 1892 Epsom Derby winner
Sir Huon: 1906 Kentucky Derby and Latonia Derby winner
Sir Ivor: American-bred Irish-trained horse that won the 2000 Guineas Stakes, Epsom Derby, Champion Stakes, and Washington D.C. International in 1968
Sir John: 1890 Travers Stakes winner
Sir Percy: 2006 Epsom Derby winner
Sir Peter Teazle: 1787 Epsom Derby winner
Sir Tatton Sykes: 1846 2000 Guineas Stakes and St. Leger Stakes winner
Sir Thomas: 1788 Epsom Derby winner
Sir Visto: 1895 Epsom Derby and St. Leger Stakes winner
Sir Winston: Winner of 2019 Belmont Stakes
Sirius Symboli: Winner of the 1985 Tokyo Yūshun and one of few Japanese horses at the time chosen to compete in Europe
Sistercharlie: Irish horse that won the 2018 Breeders' Cup Filly & Mare Turf and was named American champion female turf horse
Six Perfections: French-bred horse that won the 2003 Breeders' Cup Mile. European champion 2-year-old filly in 2002
Sixties Icon: 2006 St Leger Stakes winner
Skewball: Immortalized in 18th century poetry as a sku-ball winning against a Thoroughbred
Skip Away: 10-time Grade 1 stakes winner, including 1997 Breeders' Cup Classic. 1998 American Horse of the Year
Skyscraper: 1789 Epsom Derby winner
Skywalker: 1986 Breeders' Cup Classic winner
Slieve Gallion: 1907 2000 Guineas Stakes and St James's Palace Stakes winner
Slip Anchor: 1985 Epsom Derby winner
Sly Fox: 1898 Preakness Stakes winner
Smart Falcon: Japanese racehorse known as the "Runner of the Dirt", two-time winner of the Tokyo Daishoten and JBC Classic, with a total of six grade 1 victories and 19 graded flat race wins
Smart Strike: Canadian horse, leading sire in North America
Smarten: Multiple-graded stakes winner, later sire of major broodmare Classy 'n Smart
Smarty Jones: First unbeaten Kentucky Derby winner since Seattle Slew in 1977
Smile: 1986 Breeders' Cup Sprint winner, American champion sprint horse
Smolensko: 1813 2000 Guineas Stakes and Epsom Derby winner
Snow Chief: 1986 Preakness Stakes winner, 3-time California Horse of the Year and 1986 American champion 3-year-old
Snow Knight: 1974 Epsom Derby and 1975 Canadian International Stakes winner
Snurge: 1990 St Leger Stakes and 1992 Canadian International Stakes winner
So Happy: 2026 Santa Anita Derby winner.
Soaring Softly: First winner of the Breeders' Cup Filly & Mare Turf in 1999
Sodashi: First white horse to win a Grade 1 race (Hanshin Juvenile Fillies), and also went on to win 2 other Grade 1 races in her race career^[7]
Sodium: 1966 Irish Derby and St Leger Stakes winner
Somethingroyal: Successful broodmare, best known as the dam of Sir Gaylord and Secretariat
Son of Love: 1979 St Leger Stakes winner
Songbird: 2015 Breeders' Cup Juvenile Fillies and 2016 Coaching Club American Oaks and Alabama Stakes winner. American champion two-year-old and three-year-old filly
Soothsayer: 1811 St Leger Stakes winner. Later a leading sire in Britain and Ireland
Southern Halo: American horse that won Swaps Stakes and Super Derby winner, later became a leading sire in Argentina and one of the most successful sires in South American horse racing
Sovereignty: 2025 Kentucky Derby and Belmont Stakes winner
Space Blues: Irish horse that won the Prix Maurice de Gheest in 2020 and Prix de la Forêt & Breeders' Cup Mile in 2021
Spain: 2000 Breeders' Cup Distaff winner
Spaniel: 1831 Epsom Derby winner
Spearmint: 1906 Epsom Derby and Grand Prix de Paris winner
Special Week: 1998 Tokyo Yūshun winner, as well as the Japan Cup and both Tennō Shōs, sire of Buena Vista
Spectacular Bid: Hall of Fame champion who went undefeated as a four-year-old, and won 26 of 30 career starts
Speightstown: 2004 Breeders' Cup Sprint winner and American champion sprint horse. Later a significant sire
Spend a Buck: 1985 Kentucky Derby winner and American Horse of the Year
Spendthrift: 1879 Belmont Stakes winner, later became a major sire producing numerous champion horses. Later became the namesake of the famed Spendthrift Farm
Spinning World: American-bred French-trained horse that won the Irish 2,000 Guineas in 1996, the Prix Jacques Le Marois in 1996 & 1997, the Prix du Moulin de Longchamp in 1997, and the Breeders' Cup Mile in 1997
Spion Kop: 1920 Epsom Derby winner
Spokane: 1889 Kentucky Derby winner
Spread Eagle: 1795 Epsom Derby winner
Springbok: 1873 Belmont Stakes winner, American champion older male horse in 1874 and 1875
Squirtle Squirt: 2001 Breeders' Cup Sprint winner, American champion sprint horse
St. Amant: 1903 2000 Guineas Stakes and Epsom Derby winner
St. Blaise: 1883 Epsom Derby winner
St. Frusquin: 1896 2000 Guineas Stakes and Eclipse Stakes winner
St. Gatien: Tied for first in a dead heat in the 1884 Epsom Derby. Also won the Ascot Gold Cup in 1885
St. Giles: 1832 Epsom Derby winner
St Louis: 1922 2000 Guineas Stakes winner
St Nicholas Abbey: Irish horse that won the Coronation Cup three times in a row (2011–13). Also won the Breeders' Cup Turf in 2011
St. Paddy: Epsom Derby and St Leger Stakes winner in 1960
St Patrick: 1820 St Leger Stakes winner
St. Simon: Undefeated British racehorse and successful sire
Stage Door Johnny: 1968 Belmont Stakes winner and American champion 3-year-old-colt
Star Appeal: Irish-bred German-trained horse, first German-trained horse to win the Prix de l'Arc de Triomphe
Star Guitar: Four-times winner of Louisiana-bred Horse of the Year, considered one of the most significant Louisiana-bred horses of all time
Stardom Bound: 2008 Breeders' Cup Juvenile Fillies winner
Starine: French horse that won the Matriarch Stakes and the Breeders' Cup Filly & Mare Turf
Staveley: 1805 St Leger Stakes
Stay Gold: Dubbed "the Silver Collector" during his racing career before winning the 2001 Dubai Sheema Classic and Hong Kong Vase shortly before his retirement; went on to sire Orfevre, Gold Ship, Dream Journey, Nakayama Festa, Fenomeno, Win Bright, Indy Champ, and Oju Chosan
Steel Dust: 19th-century quarter-mile racing horse.^[8]
Steinlen: British-bred horse that won the Breeders' Cup Mile in 1989, and was American champion male turf horse
Stellar Wind: Stellar Wind is an American Thoroughbred racehorse, known for her Eclipse Award winning three-year-old season, and later for her rivalry with the champion mare Beholder.
Stephanie's Kitten: Winner of the Breeders' Cup Juvenile Fillies Turf in 2011 and the Breeders' Cup Filly & Mare Turf in 2012
Stevie Wonderboy: 2005 Breeders' Cup Juvenile winner
Still in Love: 2003 Japanese Fillies' Triple Crown winner
Stockwell: 1852 2000 Guineas Stakes and St. Leger Stakes winner; 7 times leading sire in Britain and Ireland, and another 4 times 2nd-leading sire
Stone Street: 1908 Kentucky Derby winner, holds record for slowest winning time for the Kentucky Derby
Stopchargingmaria: 2015 Breeders' Cup Distaff winner
Storm Cat: One of the most successful U.S. sires of the late 20th century
Storm Flag Flying: 2002 Breeders' Cup Juvenile Fillies winner
Storm Song: 1996 Breeders' Cup Juvenile Fillies winner
Storm the Court: 2019 Breeders' Cup Juvenile winner
Stormy Liberal: Winner of the Breeders' Cup Turf Sprint in 2017 and 2018
Straight Deal: 1943 Epsom Derby winner
Street Sense: 2006 Breeders' Cup Juvenile and 2007 Kentucky Derby winner
Strike the Gold: 1991 Kentucky Derby winner
Success Express: 1987 Breeders' Cup Juvenile winner
Summer Bird: 2009 Belmont Stakes winner and American champion 3-year-old male
Summer Squall: 1990 Preakness Stakes winner
Summing: 1981 Belmont Stakes winner
Sun Castle: 1941 St Leger Stakes winner
Sun Chariot: 1942 1000 Guineas Stakes, Epsom Oaks, and St Leger Stakes winner - English filly's triple crown winner.
Sunday Silence: 1989 Kentucky Derby and Preakness Stakes winner; champion sire in Japan
Sunline: First Southern Hemisphere horse to top $10million in stakes earnings; three-time Australian (2000–2002); four-time New Zealand Horse of the Year (1999–2002); 13-time Group 1 winner
Sunny's Halo: 1983 Kentucky Derby winner
Sunstar: 2000 Guineas Stakes and Epsom Derby winner in 1911
Super Creek: Japanese racehorse known for winning the 1988 Kikuka-shō and the 1989 Autumn and 1990 Spring Tenno Sho
Super Saver: 2010 Kentucky Derby winner
Surefoot: 1890 2000 Guineas Stakes and 1891 Eclipse Stakes winner
Surplice: 1848 Epsom Derby and St Leger Stakes winner
Survivor: First winner of the Preakness Stakes in 1873
Swale: 1984 Kentucky Derby and Belmont Stakes winner, died eight days after the Belmont win
Swaps: 1955 Kentucky Derby winner, 1956 American Horse of the Year, #20 on list of Top 100 American racehorses of the 20th Century
Sweep: 1910 Belmont Stakes winner
Sweep Tosho: Winner of the 2004 Shūka Shō, 2005 Takarazuka Kinen, and 2005 Queen Elizabeth II Cup
Sweeper: French-bred British-trained racehorse that won the 1912 2000 Guineas Stakes
Sweet Catomine: 2004 Breeders' Cup Juvenile Fillies winner
Swiss Skydiver: 2020 Preakness Stakes winner
Swynford: 1910 St Leger Stakes and 1911 Eclipse Stakes winner. Later both a leading sire and leading broodmare sire in Britain and Ireland.
Symboli Kris S: Two time winner of the Arima Kinen, later sire of Epiphaneia
Symboli Rudolf: Winner of the 1984 Japanese Triple Crown, and the first horse to win the Triple Crown undefeated, as well as the first horse in Japan to win 7 grade 1 victories, a record held for 35 years until surpassed by Almond Eye, sire of Tokai Teio
Symmetry: 1798 St Leger Stakes winner

T

T. M. Opera O: Became the Japanese Horse of the Year for the 2000 season after he went undefeated in all 8 races that he participated in, becoming the highest earning racehorse at the time in the process.
Ta Wee: Two-time American Champion Sprint Horse, and won her second Fall Highweight Handicap, at 10 stone (140 pounds) and her second Interborough Handicap, at 10 stone 2 pounds (142 pounds)
Tabasco Cat: 1994 Preakness Stakes and Belmont Stakes winner
Taboun: 1959 2000 Guineas Stakes winner
Tagalie: 1912 1000 Guineas Stakes and Epsom Derby winner
Taiki Shuttle: JRA Hall of Fame inductee, two-time Yasuda Kinen winner and the first Japanese-trained horse to win the Prix Jacques Le Marois.
Take Charge Brandi: 2014 Breeders' Cup Juvenile Fillies and Starlet Stakes winner
Talismanic: British-bred French-trained horse that won the 2017 Breeders' Cup Turf
Tamamo Cross: First horse to win both the Spring and Autumn Tennō Shō in the same year (1988)
Tamarkuz: 2016 Breeders' Cup Dirt Mile winner
Tanino Gimlet: 2002 winner of the Japanese Derby; sire of Vodka
Tank's Prospect: 1985 Preakness Stakes winner
Tanya: Second filly ever to win the Belmont Stakes
Tap Dance City: Winner of the 2003 Japan Cup and 2004 Takarazuka Kinen
Tap On Wood: 1979 2000 Guineas Stakes winner
Tapit: Three time Leading sire in North America
Tapit Trice: 2023 Blue Grass Stakes winner
Tapizar: 2012 Breeders' Cup Dirt Mile winner
Tapwrit: Won the 2017 Belmont Stakes, and set a new stakes record for the Tampa Bay Derby
Tarnawa: Irish-bred horse that won the 2020 Prix de l'Opéra, Prix Vermeille, and Breeders' Cup Turf
Tasso: 1985 Breeders' Cup Juvenile winner and U.S. champion two-year-old
Tastiera: Japanese racehorse and winner of the Tōkyō Yūshun and the Hong Kong-based Queen Elizabeth II Cup
Tecumseh: 1885 Preakness Stakes winner
Ted Noffey: 2025 Breeders' Cup Juvenile winner
Teddington: 1851 Epsom Derby and 1853 Emperor of Russia's Plate winner
Teddy: French horse known as an influential sire
Teenoso: 1983 Epsom Derby, 1984 Grand Prix de Saint-Cloud and King George VI and Queen Elizabeth Stakes winner
Tempera: Winner of the Breeders' Cup Juvenile Fillies in 2001. Named American champion two-year-old filly for 2001
Temperence Hill: 1980 Belmont Stakes winner, American champion 3-year-old colt
Ten Point: 1977 Arima Kinen winner who suffered a career ending injury that ultimately proved fatal despite efforts to save his life
Tepin: American racehorse with success in the US and Britain. 2015 Breeders' Cup Mile and 2016 Queen Anne Stakes & Woodbine Mile winner
Tesco Boy: British-bred racehorse who later became a leading sire in Japan
Tetratema: 1920 2000 Guineas Stakes leader. Later a leading sire in Britain and Ireland
Texas Red: 2014 Breeders' Cup Juvenile winner
The Bard: 1886 Preakness Stakes winner
The Baron: 1845 St Leger Stakes winner
The Duke: First and second winner of the Grand National
The Finn: 1915 Belmont Stakes winner and champion 3-year-old colt. Later a leading sire in North America
The Flying Dutchman: Winner of the Epsom Derby and St Leger Stakes in 1849, and the Ascot Gold Cup in 1850
The General: Owned by the 10th United States president, John Tyler
The Marquis: 1862 2000 Guineas Stakes and St. Leger Stakes winner
The Merry Monarch: 1845 Epsom Derby winner
The Minstrel: Winner of Epsom Derby, Irish Derby and King George VI and Queen Elizabeth Stakes in 1977
The Panther: 1919 2000 Guineas Stakes winner
The Parader: 1901 Preakness Stakes winner
The Pizza Man: Arlington Million winner in 2015 and Northern Dancer Turf Stakes winner in 2016
Theatrical: Irish-bred horse that won the 1987 Breeders' Cup Turf. Later a successful sire
Thor's Echo: 2006 Breeders' Cup Sprint winner
Thormanby: 1860 Epsom Derby and 1861 Ascot Gold Cup winner, later a leading sire in Britain
Thorpedo Anna: 5-time Grade I stakes winner, second 3-year-old filly to ever be named American Horse of the Year
Thunder Gulch: 1995 Kentucky Derby and Belmont Stakes winner, later a leading sire in North America
Thunderhead: 1952 2000 Guineas Stakes winner
Tiago: 2007 Santa Anita Derby, Swaps Stakes, and Goodwood Breeders' Cup Handicap
Tikkanen: 1994 Breeders' Cup Turf winner
Tim Tam: 1958 Kentucky Derby and Preakness Stakes winner, later became a successful sire
Timber Country: 1994 Breeders' Cup Juvenile and 1995 Preakness Stakes winner. 1994 American champion 2-year-old
Tiresias: 1819 Epsom Derby winner
Tirol: 1990 2000 Guineas Stakes and Irish 2,000 Guineas winner
Titleholder: Winner of 3 GI races in Japan, with his win at the Takarazuka Kinen setting a course record in 2022.
Tiz the Law: 2020 Belmont Stakes and Travers Stakes winner
Tiznow: Two-time winner of the Breeders' Cup Classic
To-Agori-Mou: 1981 2000 Guineas Stakes, St James's Palace Stakes, and Queen Elizabeth II Stakes winner.
Together Forever: Irish horse that won the Fillies' Mile in 2014
Tokai Teio: Japanese Horse of the Year of 1991. After suffering multiple injuries including a broken leg, went on to win the 1993 Arima Kinen in the famous "Miracle Run".
Tokino Minoru: Undefeated Japanese racehorse who died from tetanus 17 days after winning the Japanese Derby in 1951
Tom Fool: Hall of Fame racehorse, named American Horse of the Year in 1953. Later became a leading sire, including of Buckpasser, Tim Tam, and Tompion
Tom Ochiltree: 1875 Preakness Stakes winner, American champion 3-year old in 1875, American champion older horse in 1876
Tom Rolfe: 1965 Preakness Stakes winner
Tompion: Multiple-stakes winning horse, including Blue Grass Stakes and Santa Anita Derby
Tomy Lee: 1959 Kentucky Derby winner
Tonalist: Winner of 2014 Belmont Stakes, and two-time winner of the Jockey Club Gold Cup
Tony Bin: Irish-bred winner of the 1988 Prix de l'Arc de Triomphe and leading sire in Japan, sired Air Groove, Winning Ticket, and Jungle Pocket
Torquator Tasso: 2020 Grosser Preis von Berlin, 2021 Grosser Preis von Baden and Prix de l'Arc de Triomphe winner, three-time German Horse of the Year
Tosen Jordan: 2011 Autumn Tennō Shō winner
Tosho Boy: 1976 Japanese Horse of the Year with 10 wins in 15 starts, including the 1976 Satsuki Shō, 1976 Arima Kinen, and 1977 Takarazuka Kinen; sire of Mr. C. B.
Tosmah: Champion filly as a two and three-year-old in 1963 and 1964
Touch Gold: 1997 Belmont Stakes winner
Tourist: 2016 Breeders' Cup Mile winner
Trigo: 1929 Epsom Derby, St Leger Stakes, and Irish St. Leger winner
Trophonius: 1811 2000 Guineas Stakes winner
Trot Thunder: 1995 Mile Championship and 1996 Yasuda Kinen winner
Troy: 1979 Epsom Derby and Irish Derby winner
Tudor Minstrel: 1947 2000 Guineas Stakes and St James's Palace Stakes winner
Tuesday: Irish horse that won the Epsom Oaks and Breeders' Cup Filly & Mare Turf in 2022
Tulyar: 1952 Epsom Derby and St Leger Stakes winner
Turcoman: 1827 2000 Guineas Stakes winner
Turn-To: British-born American-trained horse, successful sire. Sire of Hail To Reason
Tuscalee: Steeplechaser and all-time record holder for most wins in a season, and for most steeplechase wins overall
Twenty Grand: Winner of the Kentucky Derby, Belmont, and Travers Stakes, also was champion 3-year-old and Horse of the Year of 1931
Twilight Ridge: Winner of the 1985 Breeders' Cup Juvenile Fillies
Twin Turbo: Japanese racehorse and winner of the 1993 Sankei Sho All Comers, best known for his extreme front-running style
Two Lea: Successful broodmare and filly winner of the Hollywood Gold Cup
Typhoon II: 1897 Kentucky Derby winner
Tyrant (UK): British horse that won the 1802 Epsom Derby
Tyrant (US): American horse that won the 1885 Belmont Stakes

U

Unbreakable: Grandsire of great Native Dancer
Unbridled: Winner of the Kentucky Derby and Breeders' Cup Classic and sire of the champion sire Unbridled's Song
Unbridled's Song: Breeders' Cup Juvenile winner, and sire of the great Arrogate
Unrivaled Belle: 2010 Breeders' Cup Ladies' Classic winner
Untapable: 2014 Breeders' Cup Distaff winner and American champion 3-year-old filly
Uncle Mo: 2010 Breeders' Cup Juvenile winner, sire of several Grade 1 stakes winners
Union Rags: 2012 Belmont Stakes winner
Ushba Tesoro: Winner of the 2023 Dubai World Cup

V

Vagrant: 1876 Kentucky Derby winner, first gelding to win the Kentucky Derby
Vain: Champion front runner; great, great grandsire of Black Caviar
Val Royal: French-bred horse that won the 2001 Breeders' Cup Mile
Vale of York: Irish horse that won the Breeders' Cup Juvenile in 2009
Valencia: 1975 Indonesia Derby Winner
Vanguard: American racehorse that won the 1882 Preakness Stakes
Varenne: Italy's most famous harness horse
Vedas: 1905 2000 Guineas Stakes winner
Vedette: 1857 2000 Guineas Stakes winner. Major sire after racing.
Vega: Oka Shō and Yushun Himba winner in 1993. Dam of Admire Vega
Venetian Way: 1960 Kentucky Derby winner
Ventura: Winner of the Breeders' Cup Filly & Mare Sprint in 2008
Vequist: 2020 Breeders' Cup Juvenile Fillies winner
Vermillion: Won 9 G1/Jpn1 Japanese dirt races, including the 2007 Japan Cup Dirt
Verxina: Two-time winner of the Victoria Mile
Very Subtle: 1987 Breeders' Cup Sprint winner
Victoire Pisa: Winner of the 2010 Satsuki Shō and Arima Kinen, first Japanese-trained racehorse to win the Dubai World Cup
Victorian: 1928 Preakness Stakes winner
Victory Gallop: Canadian-bred horse that won the 1998 Belmont Stakes
Vigil II: 1923 Preakness Stakes winner
Vindication: 2002 Breeders' Cup Juvenile winner
Vino Rosso: 2019 Breeders Cup winner
Vito: 1928 Belmont Stakes winner
Vivlos: 2016 Shūka Shō winner
Vo Rouge: Fast frontrunner and 3-time winner of the C F Orr Stakes, had the Vo Rogue Plate named in his honor
Vodka: First filly in 64 years to win the Tokyo Yushun (Japanese Derby) in 2007,^[9] with seven total Grade 1 wins in Japan
Volodyovski: 1901 Epsom Derby winner
Volponi: 2002 Breeders' Cup Classic winner
Voltaire: Winner of the 1828 Doncaster Gold Cup
Voltigeur: Won the Epsom Derby and the St Leger Stakes in 1850 and beat The Flying Dutchman in the Doncaster Cup; was subsequently beaten in 1851 by The Flying Dutchman in a widely-known head-to-head race known as The Great Match

W

War Admiral: Fourth U.S. Triple Crown winner (1937)
War Chant: 2000 Breeders' Cup Mile winner
War Cloud: British-bred horse that won the 1918 Preakness Stakes, first horse to compete in all three American Triple Crown races
War Emblem: 2002 Kentucky Derby and Preakness Stakes winner
War Like Goddess: Multiple graded stakes winner, most notably the 2021 Flower Bowl Stakes
War of Will: Winner of 2019 Preakness Stakes
War Pass: 2007 Breeders' Cup Juvenile and Champagne Stakes winner
Watervale: 1911 Preakness Stakes winner
Watling Street: 1942 Epsom Derby winner
Waxy: 1793 Epsom Derby winner and influential sire
Weekend Surprise: mutli-time race winner, later a successful broodmare and dam of A.P. Indy
West Australian: First horse to win the English Triple Crown (1853). Also won Ascot Gold Cup in 1854
Whalebone: 1810 Epsom Derby winner, major sire in Britain and Ireland
What a Pleasure: A leading sire in North America in the 1970s
Whimsical: 1906 Preakness Stakes winner
Whirlaway: Fifth American Triple Crown winner
Whisk Broom II: First of four horses ever to win the New York Handicap Triple
Whisker: 1815 Epsom Derby winner
Whiskery: 1927 Kentucky Derby winner
Whistlejacket: Marquess of Rockingham's racehorse; painted by G. Stubbs (1762)
White Abarrio: Winner of Florida Derby, Whitney Stakes, Breeders' Cup Classic, and Pegasus World Cup
Whitmore: 2020 Breeders' Cup Sprint winner, American champion sprint horse
Wicked Whisper: 2019 Frizette Stakes winner
Wild Again: Winner of inaugural Breeders' Cup Classic
Wild Dayrell: 1855 Epsom Derby winner
Wilko: 2004 Breeders' Cup Juvenile winner
Windsor Lad: Winner of the Epsom Derby and St Leger Stakes in 1934, Coronation Cup and Eclipse Stakes in 1935
Wings of Eagles: 2017 Epsom Derby winner
Winning Colors: Third filly to win the Kentucky Derby (1988)
Winning Ticket: 1993 Tokyo Yūshun winner
Wintergreen: 1909 Kentucky Derby winner
Winx: Winner of 33 consecutive starts, including the Cox Plate four times
Wise Dan: Two-time American Horse of the Year (2012, 2013); won Breeders' Cup Mile twice (same years)
Wishing Well: Dam of Sunday Silence
Wizard: Winner of the inaugural 2000 Guineas Stakes in 1809
Wollow: 1976 2000 Guineas Stakes, Eclipse Stakes, and Sussex Stakes winner
Wonder Acute: Oldest horse to win a Japanese Grade 1 race at age nine when he won the Kashiwa Kinen
Wonder Wheel: 2022 Breeders' Cup Juvenile Fillies winner
Work All Week: 2014 Breeders' Cup Sprint winner, American champion sprint horse
Workforce: 2010 Epsom Derby and Prix de l'Arc de Triomphe winner
World Approval: Multiple-grade 1 stakes winner, most notably 2017 Breeders' Cup Mile
Worth: 1912 Kentucky Derby winner
Wuheida: British horse that won the Prix Marcel Boussac in 2016 and the Breeders' Cup Filly & Mare Turf in 2017

X

Xaar: Winner of Prix de Cabourg (1997), Prix de la Salamandre (1997)
Xtra Heat: Champion 3-year-old filly of 2001, and the only filly to win the Endine stakes twice

Y

Yaeno Muteki: Winner of the Satsuki Shō in 1988 and the Autumn Tennō Shō in 1990
Yamanin Zephyr: Two-time winner of the Yasuda Kinen (1992, 1993) and winner of the 1993 Tennō Shō (Autumn)
Yeats: Only horse ever to win 4 Ascot Gold Cups, also won 3 other group 1 races
Yibir: British-bred horse that won the 2021 Breeders' Cup Turf and earned American champion male turf horse honors
Young Eclipse: 1781 Epsom Derby winner
Your Host: Winner of 1950 Santa Anita Derby, 1951 Santa Catalina Handicap, sire of the great Kelso
Yukino Bijin: Popular Japanese horse despite only winning the grade-3 Queen Stakes

Z

Zabeel: New Zealand sire of Octagonal and Vengeance of Rain
Zaccio: Three-time winner of the Outstanding Steeplechase horse award in the 80s
Zafonic: 1992 Prix de la Salamandre and 1993 2000 Guineas Stakes winner. Cartier Champion Two-year-old Colt for 1992
Zagora: French-bred horse that won the Breeders' Cup Filly & Mare Turf in 2012
Zenno Rob Roy: The only horse since T. M. Opera O to have won the Autumn Tennō Shō, Japan Cup, and the Arima Kinen within the same year (collectively known as the Autumn Triple Crown); also holds the speed record and longest standing record in the JRA for the Arima Kinen at 2:29.5
Zenyatta: Won 19 of 20 starts; first mare to win the Breeders' Cup Classic (2009); first to win two different Breeders' Cup races (Ladies' Classic in 2008, Classic in 2009)
Zev: Winner of the Belmont Stakes and the Kentucky Derby, as well as winner of a match race against Epsom Derby winner Papyrus
Zieten: American-bred French-trained horse that won multiple graded stakes, most notable the Group 1 Middle Park Stakes in 1992
Zino: 1982 2000 Guineas Stakes winner
Zippy Chippy: Infamous for racing 100 times and losing every single time
Zulu Alpha: 2020 Pegasus World Cup Turf Invitational winner

References

↑ "Barbaro euthanized after months-long fight for survival". ESPN.com. January 29, 2007. Retrieved September 14, 2024.
↑ Greg Wood (January 15, 2013). "Frankel World's Best Thoroughbred". Theguardian.com. Retrieved February 1, 2014.
↑ Kirsch, George B. (editor) (1995) "Smuggler vs. Goldsmith Maid, 1876" Sports in North America: A Documentary History, Volume 4: Sports in war, revival and expansion, 1860-1880 Academic International Press, Gulf Breeze, Florida, pp. 206-210, ISBN 0-87569-135-8
↑ "Losing Racehorse Charms Japan". CBS News. March 22, 2004. Archived from the original on February 25, 2020. Retrieved December 2, 2022.
↑ "Japanese cheer on no-hope horse". BBC News. April 22, 2004. Archived from the original on April 2, 2004. Retrieved November 7, 2009.
↑ Rodley, Aidan (March 6, 2010). "New Inductees announced at 2010 Gala Dinner". thoroughbrednet.co.nz. New Zealand Racing Hall of Fame. Archived from the original on May 25, 2010. Retrieved November 12, 2023.
↑ Carasso, Alan (October 2, 2023). "Two-Time Japanese Champion, Fan-Favourite Sodashi Retired". Thoroughbred Daily News. Retrieved November 12, 2023.
↑ Denhardt, Robert Moorman (1967) Quarter Horses: A Story of Two Centuries University of Oklahoma Press, Norman, Oklahoma, pp. 20-32, OCLC 1381366
↑ "天女ウオッカ強く、美しくダービー制覇". www.sponichi.co.jp. スポーツニッポン. May 28, 2007. Archived from the original on January 25, 2008. Retrieved September 5, 2021.

[1] "Barbaro euthanized after months-long fight for survival". ESPN.com. January 29, 2007. Retrieved September 14, 2024.

[2] Greg Wood (January 15, 2013). "Frankel World's Best Thoroughbred". Theguardian.com. Retrieved February 1, 2014.

[3] Kirsch, George B. (editor) (1995) "Smuggler vs. Goldsmith Maid, 1876" Sports in North America: A Documentary History, Volume 4: Sports in war, revival and expansion, 1860-1880 Academic International Press, Gulf Breeze, Florida, pp. 206-210, ISBN 0-87569-135-8

[cbs-4] "Losing Racehorse Charms Japan". CBS News. March 22, 2004. Archived from the original on February 25, 2020. Retrieved December 2, 2022.

[BBC-5] "Japanese cheer on no-hope horse". BBC News. April 22, 2004. Archived from the original on April 2, 2004. Retrieved November 7, 2009.

[6] Rodley, Aidan (March 6, 2010). "New Inductees announced at 2010 Gala Dinner". thoroughbrednet.co.nz. New Zealand Racing Hall of Fame. Archived from the original on May 25, 2010. Retrieved November 12, 2023.

[7] Carasso, Alan (October 2, 2023). "Two-Time Japanese Champion, Fan-Favourite Sodashi Retired". Thoroughbred Daily News. Retrieved November 12, 2023.

[8] Denhardt, Robert Moorman (1967) Quarter Horses: A Story of Two Centuries University of Oklahoma Press, Norman, Oklahoma, pp. 20-32, OCLC 1381366

[スポニチ-東京優駿-9] "天女ウオッカ強く、美しくダービー制覇". www.sponichi.co.jp. スポーツニッポン. May 28, 2007. Archived from the original on January 25, 2008. Retrieved September 5, 2021.

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Racehorses

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See also

References