Mizuno Kubo

Born
May 2, 2006 (20 years old)
Events
400 m hurdles · 300 Metres Hurdles

Mizuno Kubo is a Japan sprinter, born on May 2, 2006. She competes primarily in the 100m, 200m and 400mH.

Her personal bests include 12.49 in the 100m, 25.21 in the 200m, 1:03.03 in the 400mH and 44.10 in the 300MetresH. She is currently active on the international athletics circuit, representing Japan.

Personal best · 400 m hurdles1:03.03
2025 season best1:09.62Sep 13, 2025 · Takebishi Stadium, Kyoto
Personal best · 300 Metres Hurdles44.10
Last competitionThe 78th West-Japan Inter-Unversity Athletc ChampionshipsSep 13, 2025 · 1:09.62

As of Nov 14, 2026: 400 m hurdles 1:03.03, 300 Metres Hurdles 44.10, 2025 season best 1:09.62 (Sep 13, 2025, Takebishi Stadium, Kyoto (JPN)) · Last competition: The 78th West-Japan Inter-Unversity Athletc Championships, Sep 13, 2025, 1:09.62 · 20 years old

DisciplineResultAll-time
100mYamaguchi 2021Japan 100 m all-time list12.49897 pts–
200mYamaguchi 2021Japan 200 m all-time list25.21923 pts–
400mHOkayama 2023Japan 400 m hurdles all-time list1:03.03935 pts–
300MetresHMatsuyama 202344.10–

Progression

SeasonDisciplineResultWindDateCompetitions
2025400mH 1:09.62–Sep 13, 2025The 78th West-Japan Inter-Unversity Athletc Championships
2024300MetresH 44.59–Oct 13, 2024National Sports Festival 2024 Saga
2024400mH 1:06.25–Aug 18, 202478th Chugoku Athletics Championships, Hamayama Park Athletic Field, Izumo
2023300MetresH 44.10–Oct 20, 202317th JAAF U18 Athletics Competition
2023400mH 1:03.03–Jun 17, 202376th Chugoku District High School Championships, Prefectural Stadium, Okayama
2022100m 12.77+1.0Oct 1, 2022Ishin Me-Life Stadium, Yamaguchi (JPN)
2022200m 25.69-0.5May 30, 2022Ishin Me-Life Stadium, Yamaguchi (JPN)
2021100m 12.49-0.2Mar 20, 2021Ishin Me-Life Stadium, Yamaguchi (JPN)
FAQ

Frequently asked questions

Mizuno Kubo's 400 m hurdles personal best is 1:03.03, set on Jun 17, 2023 in Prefectural Stadium, Okayama (JPN).

Mizuno Kubo competes in the 400 m hurdles and 300 Metres Hurdles.

2025 season best: 1:09.62, set on Sep 13, 2025 in Takebishi Stadium, Kyoto (JPN). Last competition: The 78th West-Japan Inter-Unversity Athletc Championships on Sep 13, 2025, 1:09.62.