Yasuhiro Koseki

Biographical details

Code
Gender Male
Used name Yasuhiro•Koseki
Other names 小関 也朱篤
Born 14 March 1992

Results

Sport Competition Host City Country Event Placement Country
Swimming 2013 Summer Universiade Kazan RUS 100 m Breaststroke, Men 🥇 JPN
Swimming 2013 Summer Universiade Kazan RUS 4 x 100 m Medley Relay, Men 🥈 JPN
Swimming 2013 East Asian Games Tianjin CHN 100 m Breaststroke, Men 🥇 JPN
Swimming 2013 East Asian Games Tianjin CHN 200 m Breaststroke, Men 🥉 JPN
Swimming 2013 East Asian Games Tianjin CHN 4 x 100 m Medley Relay, Men 🥇 JPN
Swimming 2013 Swim World Cup Tokyo JPN 100 m Breaststroke, Men 🥉 JPN
Swimming 2013 Swim World Cup Tokyo JPN 200 m Breaststroke, Men 🥈 JPN
Swimming 2014 Pan Pacific Swimming Championships Gold Coast AUS 100 m Breaststroke, Men 🥇 JPN
Swimming 2014 Pan Pacific Swimming Championships Gold Coast AUS 200 m Breaststroke, Men 🥇 JPN
Swimming 2014 Pan Pacific Swimming Championships Gold Coast AUS 4 x 100 m Medley Relay, Men 🥈 JPN
Swimming 2014 Asian Games Incheon KOR 50 m Breaststroke, Men 🥈 JPN
Swimming 2014 Asian Games Incheon KOR 100 m Breaststroke, Men 🥈 JPN
Swimming 2014 Asian Games Incheon KOR 200 m Breaststroke, Men 🥉 JPN
Swimming 2014 Asian Games Incheon KOR 4 x 100 m Medley Relay, Men 🥈 JPN
Swimming 2014 Swim World Cup Hong Kong HKG 100 m Breaststroke, Men 🥉 JPN
Swimming 2014 Swim World Cup Hong Kong HKG 200 m Breaststroke, Men 🥉 JPN
Swimming 2014 Swim World Cup Moskva RUS 100 m Breaststroke, Men 🥉 JPN
Swimming 2014 Swim World Cup Tokyo JPN 100 m Breaststroke, Men 🥈 JPN
Swimming 2014 Swim World Cup Tokyo JPN 200 m Breaststroke, Men 🥈 JPN
Swimming 2014 Swim World Cup Tokyo JPN 4 x 50 m Medley Relay, Mixed 🥇 JPN
Swimming 2014 World Swimming Championships (25 m) Doha QAT 50 m Breaststroke, Men 15 JPN
Swimming 2014 World Swimming Championships (25 m) Doha QAT 100 m Breaststroke, Men =5 JPN
Swimming 2014 World Swimming Championships (25 m) Doha QAT 200 m Breaststroke, Men 4 JPN
Swimming 2014 World Swimming Championships (25 m) Doha QAT 4 x 50 m Medley Relay, Men 9 JPN
Swimming 2014 World Swimming Championships (25 m) Doha QAT 4 x 100 m Medley Relay, Men 7 JPN
Swimming 2015 World Aquatics Championships Kazan RUS 50 m Breaststroke, Men 30 JPN
Swimming 2015 World Aquatics Championships Kazan RUS 100 m Breaststroke, Men 14 JPN
Swimming 2015 World Aquatics Championships Kazan RUS 200 m Breaststroke, Men 5 JPN
Swimming 2015 World Aquatics Championships Kazan RUS 4 x 100 m Medley Relay, Men 6 JPN
Swimming 2016 Swim World Cup Singapore SGP 200 m Breaststroke, Men 🥉 JPN
Swimming 2016 Swim World Cup Hong Kong HKG 100 m Breaststroke, Men 🥉 JPN
Swimming 2016 Asian Aquatics Championships Tokyo JPN 50 m Breaststroke, Men 🥇 JPN
Swimming 2016 Asian Aquatics Championships Tokyo JPN 100 m Breaststroke, Men 🥈 JPN
Swimming 2016 Asian Aquatics Championships Tokyo JPN 4 x 100 m Medley Relay, Men 🥈 JPN
Swimming 2017 World Aquatics Championships Budapest HUN 50 m Breaststroke, Men 11 JPN
Swimming 2017 World Aquatics Championships Budapest HUN 100 m Breaststroke, Men 4 JPN
Swimming 2017 World Aquatics Championships Budapest HUN 200 m Breaststroke, Men 🥈 JPN
Swimming 2017 World Aquatics Championships Budapest HUN 4 x 100 m Medley Relay, Men 4 JPN
Swimming 2017 Swim World Cup Beijing CHN 100 m Breaststroke, Men 🥇 JPN
Swimming 2017 Swim World Cup Beijing CHN 200 m Breaststroke, Men 🥇 JPN
Swimming 2017 Swim World Cup Tokyo JPN 50 m Breaststroke, Men 🥇 JPN
Swimming 2017 Swim World Cup Tokyo JPN 100 m Breaststroke, Men 🥇 JPN
Swimming 2017 Swim World Cup Singapore SGP 50 m Breaststroke, Men 🥉 JPN
Swimming 2018 Pan Pacific Swimming Championships Tokyo JPN 200 m Breaststroke, Men 4 JPN
Swimming 2018 Pan Pacific Swimming Championships Tokyo JPN 100 m Breaststroke, Men 🥇 JPN
Swimming 2018 Pan Pacific Swimming Championships Tokyo JPN 4 x 100 m Medley Relay, Men 🥈 JPN
Swimming 2018 Pan Pacific Swimming Championships Tokyo JPN 4 x 100 m Medley Relay, Mixed 🥈 JPN
Swimming 2018 Asian Games Jakarta-Palembang INA 50 m Breaststroke, Men 🥇 JPN
Swimming 2018 Asian Games Jakarta-Palembang INA 100 m Breaststroke, Men 🥇 JPN
Swimming 2018 Asian Games Jakarta-Palembang INA 200 m Breaststroke, Men 🥇 JPN
Swimming 2018 Asian Games Jakarta-Palembang INA 4 x 100 m Medley Relay, Men 🥈 JPN
Swimming 2018 Asian Games Jakarta-Palembang INA 4 x 100 m Medley Relay, Mixed 🥈 JPN
Swimming 2018 Swim World Cup Tokyo JPN 50 m Breaststroke, Men 🥉 JPN
Swimming 2018 Swim World Cup Tokyo JPN 100 m Breaststroke, Men 🥈 JPN
Swimming 2018 Swim World Cup Tokyo JPN 200 m Breaststroke, Men 🥉 JPN
Swimming 2018 World Swimming Championships (25 m) Hangzhou CHN 50 m Breaststroke, Men 16 JPN
Swimming 2018 World Swimming Championships (25 m) Hangzhou CHN 200 m Breaststroke, Men 4 JPN
Swimming 2018 World Swimming Championships (25 m) Hangzhou CHN 4 x 50 m Medley Relay, Men 7 JPN
Swimming 2018 World Swimming Championships (25 m) Hangzhou CHN 4 x 50 m Medley Relay, Mixed 4 JPN
Swimming 2018 World Swimming Championships (25 m) Hangzhou CHN 100 m Breaststroke, Men 🥉 JPN
Swimming 2018 World Swimming Championships (25 m) Hangzhou CHN 4 x 100 m Medley Relay, Men 🥉 JPN
Swimming 2019 World Aquatics Championships Gwangju KOR 50 m Breaststroke, Men 13 JPN
Swimming 2019 World Aquatics Championships Gwangju KOR 100 m Breaststroke, Men 4 JPN
Swimming 2019 World Aquatics Championships Gwangju KOR 4 x 100 m Medley Relay, Men 4 JPN
Swimming 2019 World Aquatics Championships Gwangju KOR 4 x 100 m Medley Relay, Mixed AC JPN
Swimming 2019 Swim World Cup Tokyo JPN 50 m Breaststroke, Men 🥉 JPN
Swimming 2019 Swim World Cup Tokyo JPN 100 m Breaststroke, Men 🥈 JPN
Swimming 2019 Swim World Cup Tokyo JPN 200 m Breaststroke, Men 🥈 JPN
Swimming 2019 Swim World Cup Tokyo JPN 4 x 100 m Medley Relay, Mixed 🥇 JPN
Swimming 2019 Swim World Cup Kazan RUS 50 m Breaststroke, Men 🥇 JPN
Swimming 2019 Swim World Cup Kazan RUS 100 m Breaststroke, Men 🥈 JPN
Swimming 2019 Swim World Cup Kazan RUS 200 m Breaststroke, Men 🥉 JPN
Swimming 2019 Swim World Cup Doha QAT 50 m Breaststroke, Men 🥇 JPN
Swimming 2019 Swim World Cup Doha QAT 100 m Breaststroke, Men 🥇 JPN
Swimming 2019 Swim World Cup Doha QAT 200 m Breaststroke, Men 🥉 JPN
Swimming 2020 International Swimming League (ISL) Budapest HUN 4 x 100 m Medley Relay, Men 🥈 JPN
Swimming 2020 International Swimming League (ISL) Budapest HUN 100 m Breaststroke, Men 🥇 JPN
Swimming 2020 International Swimming League (ISL) Budapest HUN 200 m Breaststroke, Men 🥉 JPN
Swimming 2020 International Swimming League (ISL) Budapest HUN 4 x 100 m Medley Relay, Men 🥉 JPN
Swimming 2020 International Swimming League (ISL) Budapest HUN 100 m Breaststroke, Men 🥇 JPN
Swimming 2020 International Swimming League (ISL) Budapest HUN 200 m Breaststroke, Men 🥈 JPN
Swimming 2020 International Swimming League (ISL) Budapest HUN 4 x 100 m Medley Relay, Men 🥈 JPN
Swimming 2020 International Swimming League (ISL) Budapest HUN 50 m Breaststroke, Men 🥈 JPN
Swimming 2020 International Swimming League (ISL) Budapest HUN Total, Men 🥉 JPN
Swimming 2020 International Swimming League (ISL) Budapest HUN 100 m Breaststroke, Men 🥉 JPN
Swimming 2020 International Swimming League (ISL) Budapest HUN 4 x 100 m Medley Relay, Men 🥈 JPN
Swimming 2020 International Swimming League (ISL) Budapest HUN 100 m Breaststroke, Men 🥉 JPN
Swimming 2020 International Swimming League (ISL) Budapest HUN 200 m Breaststroke, Men 🥉 JPN
Swimming 2020 International Swimming League (ISL) Budapest HUN 4 x 100 m Medley Relay, Men 🥉 JPN
Swimming 2020 International Swimming League (ISL) Budapest HUN 50 m Breaststroke, Men 6 JPN
Swimming 2021 International Swimming League (ISL) Napoli ITA 50 m Breaststroke, Men 🥇 JPN
Swimming 2021 International Swimming League (ISL) Napoli ITA 100 m Breaststroke, Men 🥇 JPN
Swimming 2021 International Swimming League (ISL) Napoli ITA 200 m Breaststroke, Men 🥈 JPN
Swimming 2021 International Swimming League (ISL) Napoli ITA 4 x 100 m Medley Relay, Men 🥈 JPN
Swimming 2021 International Swimming League (ISL) Napoli ITA 100 m Breaststroke, Men 🥇 JPN
Swimming 2021 International Swimming League (ISL) Napoli ITA 200 m Breaststroke, Men 🥉 JPN
Swimming 2021 International Swimming League (ISL) Napoli ITA 4 x 100 m Medley Relay, Men 🥉 JPN
Swimming 2021 International Swimming League (ISL) Napoli ITA 100 m Breaststroke, Men 🥈 JPN
Swimming 2021 International Swimming League (ISL) Napoli ITA 4 x 100 m Medley Relay, Men 🥉 JPN
Swimming 2021 International Swimming League (ISL) Napoli ITA 100 m Breaststroke, Men 🥈 JPN
Swimming 2021 International Swimming League (ISL) Napoli ITA 4 x 100 m Medley Relay, Men 🥉 JPN
Swimming 2021 International Swimming League (ISL) Napoli ITA 50 m Breaststroke, Men 🥇 JPN
Swimming 2021 International Swimming League (ISL) Napoli ITA 100 m Breaststroke, Men 🥇 JPN
Swimming 2021 International Swimming League (ISL) Napoli ITA 4 x 100 m Medley Relay, Men 🥇 JPN
Swimming 2021 International Swimming League (ISL) Napoli ITA Total, Men 🥉 JPN