100 metres backstroke

The 100 metres backstroke is an event in competitive swimming. World records are ratified by World Aquatics (formerly FINA). The current long course world record holders are Italy's Thomas Ceccon and the US' Regan Smith, while the current short course world record holders are Hungary's Hubert Kós, and Smith.

The men's event was first contested at the Olympic Games in 1908; it was removed from the 1964 program and was reinstated at the 1968 games. The women's event has been contested since 1924. The current Olympic champions are Ceccon, and Australia's Kaylee McKeown. The men's and women's events have been contested at the World Aquatics Championships since the inaugural edition in 1973; the current world champions (long course) are South Africa's Pieter Coetze, and McKeown. The men's and women's events have been contested at the World Aquatics Swimming Championships (25m) since the inaugural edition in 1993; the current world champions (short course) are Miron Lifintsev and Smith.

Graphic data for World Record Progression in Men and Women Swimming 50m-100m-200m Long and Short Course Butterfly-Backstroke-Breaststroke-Freestyle

World record progression

Men long course

# Time NameNationalityDateMeetLocation Ref
1 1:02.2 David Theile Australia 6 December 1956Olympic Games Melbourne, Australia
2 1:01.5 John Monckton Australia 15 February 1958Australian Championships Perth, Australia
3 1:01.3 Bob Bennett United States 19 August 1961Men’s NAAA Championships Los Angeles, United States
4 1:01.0 hTom Stock United States 11 August 1962- Cuyahoga Falls, United States
5 1:00.9 Tom Stock United States 12 August 1962- Cuyahoga Falls, United States
6 1:00.8 Ernst-Joachim Küppers West Germany 28 August 1964- Dortmund, West Germany
7 1:00.0 Thompson Mann United States 3 September 1964- New York City, United States
8 59.6 rThompson Mann United States 16 October 1964Olympic Games Tokyo, Japan
9 59.5 hDoug Russell United States 28 August 1967Summer Universiade Tokyo, Japan
10 59.3 Charlie Hickcox United States 28 August 1967Summer Universiade Tokyo, Japan
11 59.1 Charlie Hickcox United States 31 August 1967Summer Universiade Tokyo, Japan
12 58.4 Roland Matthes East Germany 21 September 1967- Leipzig, East Germany
13 58.0 Roland Matthes East Germany 26 October 1968Olympic Games Mexico City, Mexico
14 57.8 Roland Matthes East Germany 23 August 1969- Würzburg, West Germany
15 56.9 hRoland Matthes East Germany 8 September 1970European Championships Barcelona, Spain
16 56.7 Roland Matthes East Germany 4 September 1971- Leipzig, East Germany
17 56.3 Roland Matthes East Germany 8 April 1972- Moscow, Soviet Union
17 56.30 =, rRoland Matthes East Germany 4 September 1972Olympic Games Munich, West Germany
19 56.19 sfJohn Naber United States 18 July 1976Olympic Games Montreal, Canada
20 55.49 John Naber United States 19 July 1976Olympic Games Montreal, Canada
21 55.44 hRick Carey United States 6 August 1983US National Championships Clovis, United States
22 55.38 Rick Carey United States 6 August 1983US National Championships Clovis, United States
23 55.19 Rick Carey United States 21 August 1983Pan American Games Caracas, Venezuela
24 55.17 hIgor Polyansky Soviet Union 15 March 1988- Tallinn, Soviet Union
25 55.16 Igor Polyansky Soviet Union 16 March 1988- Tallinn, Soviet Union
26 55.00 Igor Polyansky Soviet Union 16 July 1988Soviet Union Championships Moscow, Soviet Union
27 54.95 hDavid Berkoff United States 12 August 1988US Olympic Trials Austin, United States
28 54.91 David Berkoff United States 12 August 1988US Olympic Trials Austin, United States
29 54.51 hDavid Berkoff United States 16 September 1988Olympic Games Seoul, South Korea
30 53.93 rJeff Rouse United States 25 August 1991Pan Pacific Championships Edmonton, Canada
31 53.86 rJeff Rouse United States 31 July 1992Olympic Games Barcelona, Spain
32 53.60 Lenny Krayzelburg United States 24 August 1999Pan Pacific Championships Sydney, Australia
33 53.45 rAaron Peirsol United States 21 August 2004Olympic Games Athens, Greece [1]
34 53.17 Aaron Peirsol United States 2 April 2005US World Championships Trials Indianapolis, United States [2]
35 52.98 Aaron Peirsol United States 27 March 2007World Championships Melbourne, Australia [3]
36 52.89 Aaron Peirsol United States 1 July 2008US Olympic Trials Omaha, United States [4]
37 52.54 Aaron Peirsol United States 12 August 2008Olympic Games Beijing, China [5]
38 52.38 rAschwin Wildeboer Spain 1 July 2009Mediterranean Games Pescara, Italy [6]
39 51.94 Aaron Peirsol United States 8 July 2009US National Championships Indianapolis, United States [7]
40 51.85 rRyan Murphy United States 13 August 2016Olympic Games Rio de Janeiro, Brazil [8]
41 51.60 Thomas Ceccon Italy 20 June 2022World Championships Budapest, Hungary [9]
Legend: # – Record awaiting ratification by World Aquatics;
Records not set in finals: h – heat; sf – semifinal; r – relay 1st leg; rh – relay heat 1st leg; b – B final; † – en route to final mark; so – swim-off; tt – time trial

Men short course

# Time NameNationalityDateMeetLocation Ref
1 52.71 Mark Tewksbury Canada 16 March 1991World Cup Bonn, Germany
2 52.58 Mark Tewksbury Canada 29 March 1991World Cup Sheffield, United Kingdom
3 52.52 Mark Tewksbury Canada 20 February 1992- Winnipeg, Canada
4 52.50 rMark Tewksbury Canada 22 February 1992- Winnipeg, Canada
5 51.43 Jeff Rouse United States 12 April 1993World Cup Sheffield, United Kingdom
6 51.28 Lenny Krayzelburg United States 5 February 2000World Cup Berlin, Germany
7 50.75 Neil Walker United States 19 March 2000World Cup Athens, Greece
8 50.58 Thomas Rupprath Germany 8 December 2002World Cup Melbourne, Australia
9 50.32 Peter Marshall United States 26 March 2004- New York City, United States
10 49.99 rRyan Lochte United States 9 April 2006World Championships Shanghai, China
11 49.94 Peter Marshall United States 11 November 2008World Cup Stockholm, Sweden
12 49.63 Peter Marshall United States 15 November 2008World Cup Berlin, Germany
13 49.32 Stanislav Donets Russia 14 December 2008European Championships Rijeka, Croatia
14 49.20 rAschwin Wildeboer Spain 21 December 2008Spanish Championships Madrid, Spain
15 49.17 sfArkady Vyatchanin Russia 12 December 2009European Championships Istanbul, Turkey [10]
16 48.97 =Arkady Vyatchanin Russia 13 December 2009European Championships Istanbul, Turkey [11]
16 48.97 =Stanislav Donets Russia 13 December 2009European Championships Istanbul, Turkey [11]
18 48.94 rNick Thoman United States 18 December 2009Duel in the Pool Manchester, United Kingdom [12]
19 48.92 Matt Grevers United States 12 December 2015Duel in the Pool Indianapolis, United States [13]
20 48.90 Kliment Kolesnikov Russia 22 December 2017Vladimir Salnikov Cup Saint Petersburg, Russia [14]
21 48.88 Xu Jiayu China 11 November 2018World Cup Tokyo, Japan [15]
22 48.58 rKliment Kolesnikov Russia 21 November 2020International Swimming League Budapest, Hungary [16]
23 48.33 Coleman Stewart United States 29 August 2021International Swimming League Naples, Italy [17]
24 48.16 Hubert Kós Hungary 25 October 2025World Cup Toronto, Canada [18]
Legend: # – Record awaiting ratification by World Aquatics;
Records not set in finals: h – heat; sf – semifinal; r – relay 1st leg; rh – relay heat 1st leg; b – B final; † – en route to final mark; so – swim-off; tt – time trial

Women long course

# Time NameNationalityDateMeetLocation Ref
1 1:07.7 Cathy Ferguson United States 14 October 1964Olympic Games Tokyo, Japan
2 1:07.4 Ann Farlie South Africa 23 July 1966- Béziers, France
3 1:07.3 hElaine Tanner Canada 27 July 1967Pan American Games Winnipeg, Canada
4 1:07.1 Elaine Tanner Canada 30 July 1967Pan American Games Winnipeg, Canada
5 1:06.7 Karen Muir South Africa 30 January 1968- Kimberley, South Africa
6 1:06.4 Karen Muir South Africa 6 April 1968- Paris, France
7 1:06.2 Kaye Hall United States 22 October 1968Olympic Games Mexico City, Mexico
8 1:05.6 Karen Muir South Africa 6 July 1969- Utrecht, Netherlands
9 1:05.39 Ulrike Richter East Germany 18 August 1973- Utrecht, Netherlands
10 1:04.99 rUlrike Richter East Germany 4 September 1973World Championships Belgrade, Yugoslavia
11 1:04.78 rWendy Cook Canada 31 January 1974Commonwealth Games Christchurch, New Zealand
12 1:04.43 Ulrike Richter East Germany 8 July 1974- Rostock, East Germany
13 1:04.09 hUlrike Richter East Germany 22 August 1974European Championships Vienna, Austria
14 1:03.30 Ulrike Richter East Germany 23 August 1974European Championships Vienna, Austria
15 1:02.98 Ulrike Richter East Germany 1 September 1974USA Vs. GDR Dual Meet Concord, United States
16 1:02.60 Ulrike Richter East Germany 14 March 1976- Tallinn, Soviet Union
17 1:01.62 Kornelia Ender East Germany 3 June 1976- East Berlin, East Germany
18 1:01.51 rUlrike Richter East Germany 5 June 1976- East Berlin, East Germany
18 1:01.51 r, =Rica Reinisch East Germany 20 July 1980Olympic Games Moscow, Soviet Union
20 1:01.50 hRica Reinisch East Germany 22 July 1980Olympic Games Moscow, Soviet Union
21 1:00.86 Rica Reinisch East Germany 23 July 1980Olympic Games Moscow, Soviet Union
22 1:00.59 rIna Kleber East Germany 24 August 1984Friendship Games Moscow, Soviet Union
23 1:00.31 Krisztina Egerszegi Hungary 24 August 1991European Championships Athens, Greece
24 1:00.16 rHe Cihong China 10 September 1994World Championships Rome, Italy
25 59.58 Natalie Coughlin United States 13 August 2002US National Championships Fort Lauderdale, United States
26 59.44 Natalie Coughlin United States 27 March 2007World Championships Melbourne, Australia [19]
27 59.21 Natalie Coughlin United States 17 February 2008US Grand Prix Columbia, United States
28 59.15 hHayley McGregory United States 30 June 2008US Olympic Trials Omaha, United States [20]
29 59.03 hNatalie Coughlin United States 30 June 2008US Olympic Trials Omaha, United States [20]
30 58.97 Natalie Coughlin United States 1 July 2008US Olympic Trials Omaha, United States [21]
31 58.77 sfKirsty Coventry Zimbabwe 11 August 2008Olympic Games Beijing, China [22]
32 58.48 sfAnastasia Zuyeva Russia 27 July 2009World Championships Rome, Italy [23]
33 58.12 Gemma Spofforth Great Britain 28 July 2009World Championships Rome, Italy [24]
34 58.10 Kylie Masse Canada 25 July 2017World Championships Budapest, Hungary [25]
35 58.00 Kathleen Baker United States 28 July 2018US National Championships Irvine, United States [26]
36 57.57 rRegan Smith United States 28 July 2019World Championships Gwangju, South Korea [27]
37 57.45 Kaylee McKeown Australia 13 June 2021Australian Trials Adelaide, Australia [28]
38 57.33 Kaylee McKeown Australia 21 October 2023World Cup Budapest, Hungary [29]
39 57.13 Regan Smith United States 18 June 2024US Olympic Trials Indianapolis, United States [30][31]
Legend: # – Record awaiting ratification by World Aquatics;
Records not set in finals: h – heat; sf – semifinal; r – relay 1st leg; rh – relay heat 1st leg; b – B final; † – en route to final mark; so – swim-off; tt – time trial

Women short course

# Time NameNationalityDateMeetLocation Ref
1 59.41 Angel Martino United States 21 November 1993- Stavanger, Norway
2 58.50 Angel Martino United States 3 December 1993World Championships Palma de Mallorca, Spain
3 58.45 Reiko Nakamura Japan 4 March 2001- Sagamihara, Japan
4 57.08 Natalie Coughlin United States 29 November 2001World Cup East Meadow, United States
5 56.71 Natalie Coughlin United States 23 November 2002World Cup East Meadow, United States
6 56.51 Natalie Coughlin United States 28 October 2007World Cup Singapore
7 56.15 Shiho Sakai Japan 22 February 2009Japan Open Tokyo, Japan
8 55.23 Shiho Sakai Japan 15 November 2009World Cup Berlin, Germany [32]
9 55.03 Katinka Hosszú Hungary 4 December 2014World Championships Doha, Qatar [33]
10 54.89 Minna Atherton Australia 27 October 2019International Swimming League Budapest, Hungary [34]
11 54.56 Kaylee McKeown Australia 26 September 2024Australian Championships Adelaide, Australia [35]
12 54.41 Regan Smith United States 25 October 2024World Cup Incheon, South Korea [36]
13 54.27 Regan Smith United States 1 November 2024World Cup Singapore [37]
14 54.02 rRegan Smith United States 15 December 2024World Championships Budapest, Hungary [38]
14 54.02 =Regan Smith United States 18 October 2025World Cup Westmont, United States [39]
Legend: # – Record awaiting ratification by World Aquatics;
Records not set in finals: h – heat; sf – semifinal; r – relay 1st leg; rh – relay heat 1st leg; b – B final; † – en route to final mark; so – swim-off; tt – time trial

All-time top 25

Tables show data for two definitions of "Top 25" - the top 25 100 m backstroke times and the top 25 athletes:
- denotes top performance for athletes in the top 25 100 m backstroke times
- denotes lesser performances, still in the top 25 100 m backstroke times, by repeat athletes
- denotes top performance (only) for other top 25 athletes who fall outside the top 25 100 m backstroke times

Men long course

  • Correct as of July 2026[40]
Ath.# Perf.# Time Athlete Nation Date Place Ref.
1 1 51.60 Thomas Ceccon  Italy 20 June 2022 Budapest [9]
2 2 51.71 Pieter Coetze  South Africa 29 July 2026 Glasgow [41]
3 51.77 Coetze #2 29 July 2026 Glasgow [42]
4 51.80 Ceccon #2 3 August 2025 Singapore [43]
3 5 51.82 Kliment Kolesnikov  Russia 26 July 2023 Kazan [44]
4 6 51.85 Ryan Murphy  United States 13 August 2016 Rio de Janeiro [8]
6 51.85 Coetze #3 29 July 2025 Singapore [45]
5 8 51.86 Xu Jiayu  China 12 April 2017 Qingdao [46]
9 51.90 Ceccon #3 29 July 2025 Singapore [45]
6 10 51.92 Yohann Ndoye Brouard  France 29 July 2025 Singapore [45]
11 51.93 Ceccon #4 25 June 2022 Budapest [47]
7 12 51.94 Aaron Peirsol  United States 8 July 2009 Indianapolis [7]
12 51.94 Murphy #2 10 August 2018 Tokyo [48]
14 51.97 Murphy #3 8 August 2016 Rio de Janeiro [49]
Murphy #4 20 June 2022 Budapest [9]
8 16 51.98 Evgeny Rylov  Russia 27 July 2021 Tokyo [50]
Hunter Armstrong  United States 20 June 2022 Budapest [9]
16 51.98 Coetze #4 28 July 2026 Glasgow [51]
19 51.99 Coetze #5 19 July 2025 Berlin [52]
20 52.00 Kolesnikov #2 27 July 2021 Tokyo [50]
Ceccon #5 29 July 2024 Paris [53]
22 52.02 Xu #2 28 July 2024 Paris [54]
23 52.04 Murphy #5 30 July 2023 Fukuoka [55]
Kolesnikov #3 14 April 2025 Kazan [56]
25 52.05 Xu #3 26 September 2023 Hangzhou [57]
10 52.08 Matt Grevers  United States 25 June 2012 Omaha [58]
Miron Lifintsev  Russia 28 July 2024 Yekaterinburg [59]
12 52.09 Apostolos Christou  Greece 19 June 2022 Budapest [60]
13 52.11 Camille Lacourt  France 10 August 2010 Budapest [61]
Mitch Larkin  Australia 6 November 2015 Dubai [62]
15 52.12 David Plummer  United States 27 June 2016 Omaha [63]
Oliver Morgan  Great Britain 17 April 2025 London [64]
17 52.20 Hubert Kós  Hungary 29 July 2025 Singapore [45]
18 52.24 Ryosuke Irie  Japan 4 September 2009 Kumamoto [65]
19 52.26 Junya Koga  Japan 28 July 2009 Rome [66]
20 52.27 Helge Meeuw  Germany 2 August 2009 Rome [67]
21 52.38 Aschwin Wildeboer  Spain 1 July 2009 Pescara [6]
22 52.40 Pavel Samusenko  Russia 14 April 2025 Kazan [56]
23 52.51 Nick Thoman  United States 7 August 2009 Federal Way [68]
Shaine Casas  United States 8 July 2022 Austin [69]
25 52.54 Will Modglin  United States 19 July 2025 Berlin [52]

Men short course

  • Correct as of December 2025[70]
Ath.# Perf.# Time Athlete Nation Date Place Ref.
1 1 48.16 Hubert Kós  Hungary 25 October 2025 Toronto [18]
2 2 48.33 Coleman Stewart  United States 29 August 2021 Naples [17]
3 3 48.50 Ryan Murphy  United States 14 December 2022 Melbourne [71]
4 4 48.58 Kliment Kolesnikov  Russia 21 November 2020 Budapest [16]
5 48.59 Kolesnikov #2 12 November 2025 Kazan [72]
6 48.63 Kolesnikov #3 14 December 2020 Saint Petersburg [73]
Kolesnikov #4 18 December 2023 Saint Petersburg [74]
8 48.71 Kolesnikov #5 15 December 2020 Saint Petersburg [75]
5 9 48.76 Miron Lifintsev  Russia 11 December 2024 Budapest [76]
10 48.78 Kós #2 19 October 2025 Westmont [77]
6 10 48.78 Pavel Samusenko  Russia/ 19 December 2025 Saint Petersburg [78]
12 48.79 Kós #3 11 December 2024 Budapest [76]
13 48.82 Kolesnikov #6 22 November 2020 Budapest [79]
Kolesnikov #7 21 November 2022 Kazan [80]
7 15 48.84 Shaine Casas  United States 30 October 2022 Toronto [81]
8 16 48.88 Xu Jiayu  China 11 November 2018 Tokyo [15]
Evgeny Rylov  Russia 15 December 2020 Saint Petersburg [75]
18 48.90 Kolesnikov #8 22 December 2017 Saint Petersburg [14]
19 48.91 Stewart #2 28 August 2021 Naples [82]
10 20 48.92 Matt Grevers  United States 12 December 2015 Indianapolis [13]
20 48.92 Casas #2 15 December 2024 Budapest [83]
11 22 48.94 Nick Thoman  United States 18 December 2009 Manchester [12]
22 48.94 Rylov #2 4 December 2021 Eindhoven [84]
12 24 48.95 Stanislav Donets  Russia 19 December 2010 Dubai [85]
Guilherme Guido  Brazil 3 September 2021 Naples [86]
14 48.97 Arkady Vyatchanin  Russia 13 December 2009 Istanbul [11]
15 49.03 Mitch Larkin  Australia 28 November 2015 Sydney [87]
16 49.04 Lorenzo Mora  Italy 14 December 2022 Melbourne [71]
17 49.05 Aschwin Wildeboer  Spain 13 December 2009 Istanbul [11]
18 49.10 Kacper Stokowski  Poland 15 December 2024 Budapest [83]
19 49.23 Radosław Kawęcki  Poland 20 December 2015 Lublin
20 49.25 Mark Nikolaev  Russia 12 November 2021 Eindhoven [88]
21 49.29 Peter Marshall  United States 10 November 2009 Stockholm [89]
Thomas Ceccon  Italy 5 December 2025 Lublin [90]
23 49.31 Robert Glință  Romania 5 November 2021 Kazan [91]
24 49.35 Pieter Coetze  South Africa 20 October 2024 Shanghai [92]
25 49.39 Blake Tierney  Canada 11 December 2024 Budapest [76]

Women long course

  • Correct as of August 2026[93]
Ath.# Perf.# Time Athlete Nation Date Place Ref.
1 1 57.13 Regan Smith  United States 18 June 2024 Indianapolis [30]
2 2 57.16 Kaylee McKeown  Australia 29 July 2025 Singapore [94]
3 57.28 Smith #2 4 August 2024 Paris [95]
4 57.33 McKeown #2 21 October 2023 Budapest [29]
McKeown #3 30 July 2024 Paris [96]
6 57.35 Smith #3 29 July 2025 Singapore [94]
7 57.41 McKeown #4 11 June 2024 Brisbane [97]
8 57.45 McKeown #5 13 June 2021 Adelaide [28]
9 57.46 Smith #4 3 May 2025 Fort Lauderdale [98]
10 57.47 McKeown #6 27 July 2021 Tokyo [99]
Smith #5 17 June 2024 Indianapolis [100]
12 57.49 Smith #6 2 May 2026 Fort Lauderdale [101]
13 57.50 McKeown #7 14 June 2023 Melbourne [102]
14 57.51 Smith #7 26 May 2024 Irvine [103]
15 57.53 McKeown #8 25 July 2023 Fukuoka [104]
3 16 57.55 Isabelle Stadden  United States 2 May 2026 Fort Lauderdale [101]
17 57.57 Smith #8 28 July 2019 Gwangju [27]
McKeown #9 16 March 2024 Sydney [105]
Smith #9 3 August 2025 Singapore [106]
20 57.63 McKeown #10 15 May 2021 Sydney [107]
McKeown #11 14 October 2023 Athens [108]
22 57.64 Smith #10 8 March 2024 Westmont [109]
23 57.65 Smith #11 19 June 2022 Budapest [110]
McKeown #12 22 April 2025 Gold Coast [111]
25 57.66 Smith #12 30 July 2024 Paris [96]
4 57.70 Kylie Masse  Canada 19 June 2021 Toronto [112]
5 57.83 Katharine Berkoff  United States 17 June 2024 Indianapolis [100]
6 57.88 Mollie O'Callaghan  Australia 11 June 2024 Brisbane [97]
7 57.94 Mary-Ambre Moluh  France 15 August 2026 Paris [113]
8 58.00 Kathleen Baker  United States 28 July 2018 Irvine [26]
9 58.08 Kathleen Dawson  Great Britain 23 May 2021 Budapest [114]
10 58.12 Gemma Spofforth  Great Britain 28 July 2009 Rome [24]
11 58.18 Anastasia Fesikova  Russia 28 July 2009 Rome [24]
12 58.21 Claire Curzan  United States 12 August 2026 Irvine [115]
13 58.23 Emily Seebohm  Australia 29 July 2012 London [116]
14 58.31 Olivia Smoliga  United States 15 May 2021 Atlanta [117]
15 58.33 Missy Franklin  United States 30 July 2012 London [118]
Marrit Steenbergen  Netherlands 2 July 2026 Eindhoven [119]
17 58.37 Taylor Ruck  Canada 5 July 2026 Montreal [120]
18 58.43 Rhyan White  United States 15 May 2021 Atlanta [117]
27 July 2021 Tokyo [99]
Iona Anderson  Australia 11 June 2024 Brisbane [97]
Sara Curtis  Italy 16 August 2026 Paris [121]
21 58.45 Katinka Hosszú  Hungary 8 August 2016 Rio de Janeiro [122]
22 58.53 Leah Shackley  United States 17 May 2025 Charlotte
23 58.55 Kennedy Noble  United States 17 June 2024 Indianapolis [123]
24 58.60 Minna Atherton  Australia 22 July 2019 Gwangju [124]
25 58.63 Phoebe Bacon  United States 6 December 2019 Atlanta [125]

Women short course

  • Correct as of October 2025[126]
Ath.# Perf.# Time Athlete Nation Date Place Ref.
1 1 54.02 Regan Smith  United States 15 December 2024 Budapest [38]
18 October 2025 Westmont [39]
3 54.27 Smith #3 1 November 2024 Singapore [37]
4 54.41 Smith #4 25 October 2024 Incheon [36]
2 5 54.49 Kaylee McKeown  Australia 24 October 2025 Toronto [127]
6 54.55 Smith #5 11 December 2024 Budapest [128]
7 54.56 McKeown #2 26 September 2024 Adelaide [35]
8 54.57 Smith #6 24 October 2025 Toronto [127]
3 9 54.89 Minna Atherton  Australia 27 October 2019 Budapest [34]
Gretchen Walsh  United States 18 October 2024 Charlottesville [129]
9 54.89 Smith #7 19 October 2024 Shanghai [130]
12 54.92 Smith #8 11 October 2025 Carmel [131]
5 13 54.93 Katharine Berkoff  United States 11 December 2024 Budapest [128]
6 14 55.03 Katinka Hosszú  Hungary 4 December 2014 Doha [33]
7 15 55.04 Olivia Smoliga  United States 22 November 2020 Budapest [132]
15 55.04 McKeown #3 18 October 2025 Westmont [39]
17 55.05 Smith #9 10 December 2024 Budapest [133]
McKeown #4 11 October 2025 Carmel [131]
19 55.09 Atherton #2 21 December 2019 Las Vegas [134]
20 55.10 Berkoff #2 24 October 2025 Toronto [127]
21 55.12 Atherton #3 27 October 2019 Budapest [135]
8 22 55.17 Kira Toussaint  Netherlands 4 December 2019 Glasgow [136]
9 23 55.20 Louise Hansson  Sweden 17 December 2021 Abu Dhabi [137]
10 24 55.22 Kylie Masse  Canada 17 December 2021 Abu Dhabi [137]
11 25 55.23 Shiho Sakai  Japan 15 November 2009 Berlin [32]
12 55.25 Bella Sims  United States 11 October 2025 Carmel [131]
13 55.31 Emily Seebohm  Australia 4 December 2014 Doha [33]
14 55.36 Ingrid Wilm  Canada 18 December 2022 Melbourne [138]
15 55.48 Gao Chang  China 28 February 2010 Tokyo [139]
16 55.54 Daryna Zevina  Ukraine 4 December 2014 Doha [33]
17 55.62 Mollie O'Callaghan  Australia 14 December 2022 Melbourne [140]
18 55.72 Beata Nelson  United States 1 November 2024 Singapore [37]
19 55.74 Claire Curzan  United States 14 December 2022 Melbourne [140]
20 55.76 Aya Terakawa  Japan 23 February 2013 Sagamihara [141]
21 55.79 Iona Anderson  Australia 26 September 2024 Adelaide [35]
22 55.83 Maria Kameneva  Russia 18 December 2022 Saint Petersburg [142]
23 55.86 Maaike de Waard  Netherlands 6 November 2021 Kazan [143]
24 55.87 Rhyan White  United States 17 December 2021 Abu Dhabi [137]
25 55.89 Ali DeLoof  United States 10 September 2021 Naples [144]

Olympic champions

Men

Edition Winner Time Notes Ref.
United Kingdom London 1908  Arno Bieberstein (GER) 1:24.6 WR
Sweden Stockholm 1912  Harry Hebner (USA) 1:21.2 [a]
Belgium Antwerp 1920  Warren Kealoha (USA) 1:15.2 [b]
France Paris 1924  Warren Kealoha (USA) 1:13.2 OR
Netherlands Amsterdam 1928  George Kojac (USA) 1:08.2 WR
United States Los Angeles 1932  Masaji Kiyokawa (JPN) 1:08.6
Nazi Germany Berlin 1936  Adolph Kiefer (USA) 1:05.9 OR
United Kingdom London 1948  Allen Stack (USA) 1:06.4
Finland Helsinki 1952  Yoshi Oyakawa (USA) 1:05.4 OR
Australia Melbourne 1956  David Theile (AUS) 1:02.2 WR
Italy Rome 1960  David Theile (AUS) 1:01.9 OR
1964 not held
Mexico Mexico City 1968  Roland Matthes (GDR) 58.7 OR
West Germany Munich 1972  Roland Matthes (GDR) 56.58 OR
Canada Montreal 1976  John Naber (USA) 55.49 WR
Soviet Union Moscow 1980  Bengt Baron (SWE) 56.53
United States Los Angeles 1984  Rick Carey (USA) 55.79
South Korea Seoul 1988  Daichi Suzuki (JPN) 55.05 [c]
Spain Barcelona 1992  Mark Tewksbury (CAN) 53.98 OR
United States Atlanta 1996  Jeff Rouse (USA) 54.10
Australia Sydney 2000  Lenny Krayzelburg (USA) 53.72 OR
Greece Athens 2004  Aaron Peirsol (USA) 54.06
China Beijing 2008  Aaron Peirsol (USA) 52.54 WR
United Kingdom London 2012  Matt Grevers (USA) 52.16 OR
Brazil Rio de Janeiro 2016  Ryan Murphy (USA) 51.97 OR
Japan Tokyo 2020  Evgeny Rylov (ROC) 51.98
France Paris 2024  Thomas Ceccon (ITA) 52.00

Women

Edition Winner Time Notes Ref.
France Paris 1924  Sybil Bauer (USA) 1:23.2 OR
Netherlands Amsterdam 1928  Marie Braun (NED) 1:22.0 [d]
United States Los Angeles 1932  Eleanor Holm (USA) 1:19.4 [e]
Nazi Germany Berlin 1936  Nida Senff (NED) 1:18.9 [f]
United Kingdom London 1948  Karen Harup (DEN) 1:14.4 OR
Finland Helsinki 1952  Joan Harrison (RSA) 1:14.3
Australia Melbourne 1956  Judy Grinham (GBR) 1:12.9 WR
Italy Rome 1960  Lynn Burke (USA) 1:09.3 OR
Japan Tokyo 1964  Cathy Ferguson (USA) 1:07.7 WR
Mexico Mexico City 1968  Kaye Hall (USA) 1:06.2 WR
West Germany Munich 1972  Melissa Belote (USA) 1:05.78 OR
Canada Montreal 1976  Ulrike Richter (GDR) 1:01.83 OR
Soviet Union Moscow 1980  Rica Reinisch (GDR) 1:00.86 WR
United States Los Angeles 1984  Theresa Andrews (USA) 1:02.55
South Korea Seoul 1988  Kristin Otto (GDR) 1:00.89
Spain Barcelona 1992  Krisztina Egerszegi (HUN) 1:00.68 OR
United States Atlanta 1996  Beth Botsford (USA) 1:01.19
Australia Sydney 2000  Diana Mocanu (ROU) 1:00.21 OR
Greece Athens 2004  Natalie Coughlin (USA) 1:00.37 [g]
China Beijing 2008  Natalie Coughlin (USA) 58.96 [h]
United Kingdom London 2012  Missy Franklin (USA) 58.33 [i]
Brazil Rio de Janeiro 2016  Katinka Hosszú (HUN) 58.45
Japan Tokyo 2020  Kaylee McKeown (AUS) 57.47 OR
France Paris 2024  Kaylee McKeown (AUS) 57.33 OR

World champions (long course)

Men

Edition Winner Time Notes Ref.
Socialist Federal Republic of Yugoslavia Belgrade 1973  Roland Matthes (GDR) 57.47 CR
Colombia Cali 1975  Roland Matthes (GDR) 58.15
West Germany West Berlin 1978  Bob Jackson (USA) 56.36 CR
Ecuador Guayaquil 1982  Dirk Richter (GDR) 55.95 CR
Spain Madrid 1986  Igor Polyansky (URS) 55.58 CR
Australia Perth 1991  Jeff Rouse (USA) 55.23 CR
Italy Rome 1994  Martín López-Zubero (ESP) 55.17 CR
Australia Perth 1998  Lenny Krayzelburg (USA) 55.00 CR
Japan Fukuoka 2001  Matt Welsh (AUS) 54.31 CR
Spain Barcelona 2003  Aaron Peirsol (USA) 53.61 CR
Canada Montreal 2005  Aaron Peirsol (USA) 53.62
Australia Melbourne 2007  Aaron Peirsol (USA) 52.98 WR
Italy Rome 2009  Junya Koga (JPN) 52.26 CR
China Shanghai 2011  Camille Lacourt (FRA) 52.76
 Jérémy Stravius (FRA)
Spain Barcelona 2013  Matt Grevers (USA) 52.93
Russia Kazan 2015  Mitch Larkin (AUS) 52.40
Hungary Budapest 2017  Xu Jiayu (CHN) 52.44
South Korea Gwangju 2019  Xu Jiayu (CHN) 52.43 [j]
Hungary Budapest 2022  Thomas Ceccon (ITA) 51.60 WR
Japan Fukuoka 2023  Ryan Murphy (USA) 52.22
Qatar Doha 2024  Hunter Armstrong (USA) 52.68
Singapore Singapore 2025  Pieter Coetze (RSA) 51.85

Women

Edition Winner Time Notes Ref.
Socialist Federal Republic of Yugoslavia Belgrade 1973  Ulrike Richter (GDR) 1:05.42 CR
Colombia Cali 1975  Ulrike Richter (GDR) 1:03.30 CR
West Germany West Berlin 1978  Linda Jezek (USA) 1:02.55 CR
Ecuador Guayaquil 1982  Kristin Otto (GDR) 1:01.30 CR
Spain Madrid 1986  Betsy Mitchell (USA) 1:01.74
Australia Perth 1991  Krisztina Egerszegi (HUN) 1:01.78
Italy Rome 1994  He Cihong (CHN) 1:00.57 CR
Australia Perth 1998  Lea Loveless (USA) 1:01.16
Japan Fukuoka 2001  Natalie Coughlin (USA) 1:00.37
Spain Barcelona 2003  Antje Buschschulte (GER) 1:00.50
Canada Montreal 2005  Kirsty Coventry (ZIM) 1:00.24
Australia Melbourne 2007  Natalie Coughlin (USA) 59.44 WR
Italy Rome 2009  Gemma Spofforth (GBR) 58.12 WR
China Shanghai 2011  Zhao Jing (CHN) 59.05
Spain Barcelona 2013  Missy Franklin (USA) 58.42
Russia Kazan 2015  Emily Seebohm (AUS) 58.26
Hungary Budapest 2017  Kylie Masse (CAN) 58.12 WR
South Korea Gwangju 2019  Kylie Masse (CAN) 58.60
Hungary Budapest 2022  Regan Smith (USA) 58.22
Japan Fukuoka 2023  Kaylee McKeown (AUS) 57.53 CR
Qatar Doha 2024  Claire Curzan (USA) 58.29
Singapore Singapore 2025  Kaylee McKeown (AUS) 57.16 CR

World champions (short course)

Men

Edition Winner Time Notes Ref.
Spain Palma de Mallorca 1993  Tripp Schwenk (USA) 52.98 CR
Brazil Rio de Janeiro 1995  Rodolfo Falcón (CUB) 53.12
Sweden Gothenburg 1997  Neisser Bent (CUB) 52.77
Hong Kong Hong Kong 1999  Rodolfo Falcón (CUB) 52.44 CR
Greece Athens 2000  Neil Walker (USA) 50.75 WR
Russia Moscow 2002  Matt Welsh (AUS) 51.26
United States Indianapolis 2004  Aaron Peirsol (USA) 50.72 CR
China Shanghai 2006  Matt Welsh (AUS) 51.09
United Kingdom Manchester 2008  Liam Tancock (GBR) 50.14
United Arab Emirates Dubai 2010  Stanislav Donets (RUS) 49.07 CR
Turkey Istanbul 2012  Matt Grevers (USA) 49.89
Qatar Doha 2014  Mitch Larkin (AUS) 49.57
Canada Windsor 2016  Mitch Larkin (AUS) 49.65
China Hangzhou 2018  Ryan Murphy (USA) 49.23
United Arab Emirates Abu Dhabi 2021  Shaine Casas (USA) 49.23
Australia Melbourne 2022  Ryan Murphy (USA) 48.50 CR
Hungary Budapest 2024 Miron Lifintsev (NAB) 48.74

Women

Edition Winner Time Notes Ref.
Spain Palma de Mallorca 1993  Angel Martino (USA) 58.50 WR
Brazil Rio de Janeiro 1995  Misty Hyman (USA) 1:00.21
Sweden Gothenburg 1997  Lu Donghua (CHN) 59.75
Hong Kong Hong Kong 1999  Mai Nakamura (JPN) 58.67
Greece Athens 2000  Sandra Völker (GER) 58.66
Russia Moscow 2002  Haley Cope (USA) 59.07
United States Indianapolis 2004  Haley Cope (USA) 59.03
China Shanghai 2006  Janine Pietsch (GER) 58.02 CR
United Kingdom Manchester 2008  Kirsty Coventry (ZIM) 57.10 CR
United Arab Emirates Dubai 2010  Natalie Coughlin (USA) 56.08 CR
Turkey Istanbul 2012  Olivia Smoliga (USA) 56.64
Qatar Doha 2014  Katinka Hosszú (HUN) 55.03 WR
Canada Windsor 2016  Katinka Hosszú (HUN) 55.54
China Hangzhou 2018  Olivia Smoliga (USA) 56.19
United Arab Emirates Abu Dhabi 2021  Louise Hansson (SWE) 55.20
Australia Melbourne 2022  Kaylee McKeown (AUS) 55.49
Hungary Budapest 2024  Regan Smith (USA) 54.55 CR

Notes

  1. ↑ Harry Hebner set an Olympic record of 1:20.8 in the semifinals.
  2. ↑ Warren Kealoha set a world record of 1:14.8 in the semifinals.
  3. ↑ David Berkoff set a world record of 54.51 in the heats.
  4. ↑ Marie Braun set a world record of 1:21.6 in the heats.
  5. ↑ Eleanor Holm set a world record of 1:18.3 in the semifinals.
  6. ↑ Nida Senff set an Olympic record of 1:16.6 in the semifinals.
  7. ↑ Natalie Coughlin set an Olympic record of 1:00.17 in the semifinals.
  8. ↑ Kirsty Coventry set a world record of 58.77 in the semifinals.
  9. ↑ Emily Seebohm set an Olympic record of 58.23 in the heats.
  10. ↑ Xu Jiayu set a championship record of 52.17 in the semifinals.

References

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  138. ↑ "Women's 4 × 100 m Medley Relay Final Results" (PDF). Omega Timing. 18 December 2022. Retrieved 22 January 2023.
  139. ↑ "Women's 100m Backstroke Results" (PDF). SEIKO. 28 February 2010. Retrieved 28 December 2021.
  140. 1 2 "Women's 100m Backstroke Final Results" (PDF). Omega Timing. 14 December 2022. Retrieved 17 December 2022.
  141. ↑ Braden Keith (25 February 2013). "Terakawa Breaks Japanese Record in Continued Focus on Shorter Backstrokes". SwimSwam. Retrieved 10 May 2025.
  142. ↑ "Women's 100m Backstroke Final Results" (PDF). salnikovcup.ru. 18 December 2022. Retrieved 31 December 2022.
  143. ↑ "Women's 100m Backstroke Final Results" (PDF). microplustiming.com. 6 November 2021. Retrieved 6 November 2021.
  144. ↑ "2021 International Swimming League (Match 5) - Women's 100m Backstroke Results" (PDF). Omega Timing. 10 September 2021. Retrieved 10 May 2025.
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