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Yasuhiro KOSEKI
Sport Swimming
NOC Japan   
GenderMen
Born14 Mar 1992 in Tsuruoka, JPN
Height1.87 m
 Human Interest 
Further Personal Information
Family
Wife, two daughters [2017 and 2019]
Occupation
Armed Forces Athlete
Languages
Japanese
Higher education
Physical Education - Nippon Sport Science University: Tokyo, JPN
Sport Specific Information
When and where did you begin this sport?
He took up swimming at age four at the Tsuruoka City Swimming Club in Japan, and he began to pursue the sport seriously in middle school.
Why this sport?
His parents encouraged him to take up the sport. He initially competed in freestyle, but decided to focus on breaststroke in his third year of university.
Club / Team
Japan Self-Defence Forces [JSDF] Physical Training School: Yao, JPN
Name of coach
Yoshimitsu Shimoyama [national], JPN; Yoshihiro Fujimori [personal], JPN
General Interest
Hero / Idol
Japanese swimmer Kosuke Kitajima. (sports.yahoo.co.jp, 23 Jun 2015; jiji.com, 12 Dec 2019)
Awards and honours
He received an Excellence Award at the Japan Aquatics Awards in 2016, 2017 and 2018. (tobiuojapan.org, 30 Jan 2017; swim.or.jp, 22 Jan 2018, 29 Jan 2019)

He received the Yamagata Prefecture Sports Honorary Award in Japan in 2013 and 2014. (pref.yamagata.jp, 23 Feb 2015; pref.yamagata.jp, 26 Feb 2014)
Ambitions
To compete at the 2022 World Championships in Fukuoka, Japan, and the 2024 Olympic Games in Paris. (news24.jp, 17 Oct 2021; sponichi.co.jp, 17 Oct 2021)

 Competition Highlights
Olympic Games
Rank Year Venue Event Result
5 2016 Rio de Janeiro, BRA 200m Breaststroke 2:07.80
6 2016 Rio de Janeiro, BRA 100m Breaststroke 59.37
5 2016 Rio de Janeiro, BRA 4 x 100m Medley Relay  
World Championships
Rank Year Venue Event Result
Semifinal 2019 Gwangju, KOR 50m Breaststroke 27.22
4 2019 Gwangju, KOR 100m Breaststroke 58.93
4 2019 Gwangju, KOR 4 x 100m Medley Relay 3:30.35
Heats 2019 Gwangju, KOR 4 x 100m Medley Relay  
2 2017 Budapest, HUN 200m Breaststroke 2:07.29
Semifinal 2017 Budapest, HUN 50m Breaststroke 27.17
4 2017 Budapest, HUN 100m Breaststroke 59.10
4 2017 Budapest, HUN 4 x 100m Medley Relay 3:30.19
5 2015 Kazan, RUS 200m Breaststroke 2:09.12
Semifinal 2015 Kazan, RUS 100m Breaststroke 1:00.31
Heats 2015 Kazan, RUS 50m Breaststroke 28.13
6 2015 Kazan, RUS 4 x 100m Medley Relay 3:31.10
World Championships Short Course
Rank Year Venue Event Result
3 2018 Hangzhou, CHN 100m Breaststroke 56.13
4 2018 Hangzhou, CHN 200m Breaststroke 2:02.18
Semifinal 2018 Hangzhou, CHN 50m Breaststroke 26.70
3 2018 Hangzhou, CHN 4 x 100m Medley Relay 3:21.07
4 2018 Hangzhou, CHN 4 x 50m Medley Relay 1:37.67
7 2018 Hangzhou, CHN 4 x 50m Medley Relay 1:32.83
4 2014 Doha, QAT 200m Breaststroke 2:02.45
5 2014 Doha, QAT 100m Breaststroke 57.06
Semifinal 2014 Doha, QAT 50m Breaststroke 26.91
Heats 2014 Doha, QAT 4 x 50m Medley Relay 1:34.99
7 2014 Doha, QAT 4 x 100m Medley Relay 3:22.92
World Cup
Rank Year Venue Event Result
1 2019 Doha, QAT 100m Breaststroke 59.11
1 2019 Doha, QAT 50m Breaststroke 27.07
3 2019 Doha, QAT 200m Breaststroke 2:08.66
3 2019 Kazan, RUS 100m Breaststroke 59.23
1 2019 Kazan, RUS 50m Breaststroke 27.07
3 2019 Kazan, RUS 200m Breaststroke 2:09.40
2 2019 Tokyo, JPN 100m Breaststroke 59.01
3 2019 Tokyo, JPN 50m Breaststroke 27.05
2 2019 Tokyo, JPN 200m Breaststroke 2:08.49
1 2019 Tokyo, JPN 4 x 100m Medley Relay 3:44.75
32 2018   Overall Ranking  
2 2018 Tokyo, JPN 100m Breaststroke 56.68
3 2018 Tokyo, JPN 50m Breaststroke 26.20
3 2018 Tokyo, JPN 200m Breaststroke 2:02.84
13 2017   Overall  
1 2017 Beijing, CHN 200m Breaststroke 2:03.43
1 2017 Beijing, CHN 100m Breaststroke 56.75
3 2017 Singapore, SGP 50m Breaststroke 26.25
4 2017 Singapore, SGP 200m Breaststroke 2:02.86
1 2017 Tokyo, JPN 50m Breaststroke 26.06
1 2017 Tokyo, JPN 100m Breaststroke 56.49
5 2016 Hong Kong, CHN 50m Breaststroke 26.96
4 2016 Hong Kong, CHN 200m Breaststroke 2:06.33
3 2016 Hong Kong, CHN 100m Breaststroke 58.54
4 2016 Singapore, SGP 50m Breaststroke 26.86
3 2016 Singapore, SGP 200m Breaststroke 2:08.43
4 2016 Singapore, SGP 100m Breaststroke 58.28
21 2014   Overall  
4 2014 Hong Kong, CHN 50m Breaststroke 26.97
3 2014 Hong Kong, CHN 200m Breaststroke 2:06.48
3 2014 Hong Kong, CHN 100m Breaststroke 57.95
5 2014 Moscow, RUS 50m Breaststroke 26.97
3 2014 Moscow, RUS 100m Breaststroke 58.22
2 2014 Tokyo, JPN 200m Breaststroke 2:03.38
2 2014 Tokyo, JPN 100m Breaststroke 57.24
1 2014 Tokyo, JPN 4 x 50m Medley Relay 1:40.51
3 2013 Tokyo, JPN 100m Breaststroke 57.41
2 2013 Tokyo, JPN 200m Breaststroke 2:03.63
8 2013 Tokyo, JPN 4 x 50m Medley Relay 1:43.31
Asian Championships
Rank Year Venue Event Result
1 2016 Tokyo, JPN 50m Breaststroke 27.62
4 2016 Tokyo, JPN 200m Breaststroke 2:13.25
2 2016 Tokyo, JPN 100m Breaststroke 1:00.02
Asian Games
Rank Year Venue Event Result
1 2018 Jakarta, INA 200m Breaststroke 2:07.81
1 2018 Jakarta, INA 100m Breaststroke 58.86
1 2018 Jakarta, INA 50m Breaststroke 27.07
2 2018 Jakarta, INA 4 x 100m Medley Relay 3:30.03
2 2018 Jakarta, INA 4 x 100m Medley Relay 3:41.21
3 2014 Incheon, KOR 200m Breaststroke 2:09.48
2 2014 Incheon, KOR 100m Breaststroke 1:00.23
2 2014 Incheon, KOR 50m Breaststroke 27.89
2 2014 Incheon, KOR 4 x 100m Medley Relay 3:31.70