Yasuhiro Koseki
Japanese swimmer (born 1992)

Yasuhiro Koseki
Personal information
Full nameYasuhiro Koseki
National team Japan
Born (1992-03-14) March 14, 1992 (age 33)
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 place 2017 Budapest 200 m breaststroke
World Championships (SC)
Bronze medal – third place 2018 Hangzhou 100 m breaststroke
Bronze medal – third place 2018 Hangzhou 4×100 m medley
Pan Pacific Championships
Gold medal – first place 2014 Gold Coast 100 m breaststroke
Gold medal – first place 2014 Gold Coast 200 m breaststroke
Gold medal – first place 2018 Tokyo 100 m breaststroke
Silver medal – second place 2014 Gold Coast 4×100 m medley
Silver medal – second place 2018 Tokyo 4×100 m medley
Silver medal – second place 2018 Tokyo 4×100 m mixed medley
Asian Games
Gold medal – first place 2018 Jakarta 50 m breaststroke
Gold medal – first place 2018 Jakarta 100 m breaststroke
Gold medal – first place 2018 Jakarta 200 m breaststroke
Silver medal – second place 2014 Incheon 50 m breaststroke
Silver medal – second place 2014 Incheon 100 m breaststroke
Silver medal – second place 2014 Incheon 4×100 m medley
Silver medal – second place 2018 Jakarta 4×100 m medley
Silver medal – second place 2018 Jakarta 4×100 m mixed medley
Bronze medal – third place 2014 Incheon 200 m breaststroke
Universiade
Gold medal – first place 2013 Kazan 100 m breaststroke
Silver medal – second place 2013 Kazan 4×100 m medley
East Asian Games
Gold medal – first place 2013 Tianjin 100 m breaststroke
Gold medal – first place 2013 Tianjin 4×100 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

  1. ^ Swimming. joc.or.jp
  2. ^ Yasuhiro Koseki Clears Nic Fink For 200 Breast Triumph (Pan Pacific Championships, Results). 24 August 2014swimmingworldmagazine.com
  3. ^ 小関也朱篤100平Ｖ　北島後継お家芸守る. nikkansports.com (August 23, 2014)
  4. ^ Braden Keith (February 15, 2014) National, Asian Records Fall on Day 1 of 2014 Japanese SC Championships. swimswam.com
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