Yasuhiro Koseki

Yasuhiro Koseki
Personal information
Full nameYasuhiro Koseki
National team Japan
Born (1992-03-14) March 14, 1992
Tsuruoka, Yamagata, Japan[1]
Height1.86 m (6 ft 1 in)
Weight82 kg (181 lb)
Sport
SportSwimming
StrokesBreaststroke
ClubMiki House
Medal record
Men's swimming
Representing  Japan
World Championships
Silver medal – second place2017 Budapest200 m breaststroke
World Championships (SC)
Bronze medal – third place2018 Hangzhou100 m breaststroke
Bronze medal – third place2018 Hangzhou4×100 m medley
Pan Pacific Championships
Gold medal – first place2014 Gold Coast100 m breaststroke
Gold medal – first place2014 Gold Coast200 m breaststroke
Gold medal – first place2018 Tokyo100 m breaststroke
Silver medal – second place2014 Gold Coast4×100 m medley
Silver medal – second place2018 Tokyo4×100 m medley
Silver medal – second place2018 Tokyo4×100 m mixed medley
Asian Games
Gold medal – first place2018 Jakarta50 m breaststroke
Gold medal – first place2018 Jakarta100 m breaststroke
Gold medal – first place2018 Jakarta200 m breaststroke
Silver medal – second place2014 Incheon50 m breaststroke
Silver medal – second place2014 Incheon100 m breaststroke
Silver medal – second place2014 Incheon4×100 m medley
Silver medal – second place2018 Jakarta4×100 m medley
Silver medal – second place2018 Jakarta4×100 m mixed medley
Bronze medal – third place2014 Incheon200 m breaststroke
Universiade
Gold medal – first place2013 Kazan100 m breaststroke
Silver medal – second place2013 Kazan4×100 m medley
East Asian Games
Gold medal – first place2013 Tianjin100 m breaststroke
Gold medal – first place2013 Tianjin4×100 m medley

Yasuhiro Koseki (小関也朱篤, Koseki Yasuhiro; born March 14, 1992) is a Japanese competitive swimmer and breaststroke specialist. He won the 100-meter event at the 2013 Summer Universiade, 2013 East Asian Games, and the 2014 Pan Pacific Swimming Championships.[2][3] He hold the Asian record in this event, set in February 2014.[4]

Since 2010 Koseki studied at the Nippon Sport Science University, where he first specialized in the freestyle, and only later changed to breaststroke, motivated by Kosuke Kitajima.

References

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