Kai Mizuguchi

Kai Mizuguchi

JapanJapan
Born
Aug 25, 2001 (25 years old)
Events
400 m hurdles

Kai Mizuguchi is a Japan sprinter, born on August 25, 2001. He competes primarily in the 400m, 400mH and 4x400m.

His personal bests include 48.21 in the 400m, 50.23 in the 400mH and 3:04.54 in the 4x400m. He is currently active on the international athletics circuit, representing Japan.

Personal best · 400 m hurdles50.23
2023 season best50.23Sep 16, 2023 · Prefectural Stadium, Kumagaya
2023 season best
Last competitionNational Sports FestivalOct 14, 2023 · 50.60
National Sports Festival

As of Nov 6, 2026: 400 m hurdles 50.23, 2023 season best 50.23 (Sep 16, 2023, Prefectural Stadium, Kumagaya (JPN)) · Last competition: National Sports Festival, Oct 14, 2023, 50.60 · 25 years old

Personal bests

WA points calculator →
DisciplineResultAll-time
400mOkinawa 2019Japan 400 m all-time list48.21968 pts–
400mHKumagaya 2023Japan 400 m hurdles all-time list50.231,119 pts–
4x400mTokyo 2023Japan 4 × 400 m all-time list3:04.54–

Progression

Compare me
SeasonDisciplineResultWindDateCompetitions
2023400mH 50.23–Sep 16, 202392nd Japan Inter-University Athletics Championships, Prefectural Stadium, Kumagaya
20234x400m 3:04.54–Oct 8, 2023107th JAAF Athletics Championships - Relays
2022400mH 53.75–Apr 16, 2022Lemon Gas Stadium, Hiratsuka (JPN)
2021400mH 51.76–Sep 12, 2021Gion Stadium, Sagamihara (JPN)
2020400mH 55.05–Oct 25, 2020Municipal Stadium, Hiroshima (JPN)
2019400m 48.21–Aug 4, 2019Okinawa (JPN)
2019400mH 52.01–Oct 5, 201974th National Sports Festival, Prefectural Kasamatsu Stadium, Hitachinaka
2018400m 48.68–Aug 2, 2018Ise (JPN)
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FAQ

Frequently asked questions

Kai Mizuguchi's 400 m hurdles personal best is 50.23, set on Sep 16, 2023 in Prefectural Stadium, Kumagaya (JPN).

Kai Mizuguchi competes in the 400 m hurdles.

2023 season best: 50.23, set on Sep 16, 2023 in Prefectural Stadium, Kumagaya (JPN). Last competition: National Sports Festival on Oct 14, 2023, 50.60.