Hayato Kawai

JapanJapanActive
Born
Aug 22, 2005 (21 years old)
Events
300 Metres · 400 m

Hayato Kawai is a Japan sprinter, born on August 22, 2005. He competes primarily in the 100m, 200m and 400m.

His personal bests include 10.86 in the 100m, 21.61 in the 200m, 47.24 in the 400m, 41.48 in the 4x100m and 3:09.00 in the 4x400m. He is currently active on the international athletics circuit, representing Japan.

Personal best · 300 Metres33.48
2026 season best48.00Apr 12, 2026 · Gion Stadium, Machida
2026 season best
Personal best · 400 m47.24
Last competition62nd Four University Inter-College Track and Field TournamentApr 12, 2026 · 48.00
62nd Four University Inter-College Track and Field Tournament

As of Nov 13, 2026: 300 Metres 33.48, 400 m 47.24, 2026 season best 48.00 (Apr 12, 2026, Gion Stadium, Machida (JPN)) · Last competition: 62nd Four University Inter-College Track and Field Tournament, Apr 12, 2026, 48.00 · 21 years old

Personal bests

WA points calculator →
DisciplineResultAll-time2026
100mOita 2022Japan 100 m all-time list10.86*928 pts––
200mFukuoka 2023Japan 200 m all-time list21.61980 pts––
400mSapporo 2023Japan 400 m all-time list47.241,030 pts––
4x100mFukuoka 2023Japan 4 × 100 m all-time list41.48––
4x400mMachida 2026Japan 4 × 400 m all-time list3:09.00–#913
60mIndoorOsaka 20227.04918 pts––

* Wind-assisted (> 2.0 m/s)

Progression

SeasonDisciplineResultWindDateCompetitions
2026400m 48.00–Apr 12, 202662nd Four University Inter-College Track and Field Tournament
20264x400m 3:09.00–Apr 12, 202662nd Four University Inter-College Track and Field Tournament
2025400m 48.42–Sep 26, 2025The 36th Rookie Athletics Championships and Relay Competition, Gion Stadium, Sagamihara
2024400m 48.45–Jun 14, 2024All Japan University Track & Field Challenge, Lemon Gas Stadium, Hiratsuka
20244x400m 3:10.08–May 11, 2024The 103th Kanto Inter-University Track＆Field Championships, National Stadium, Tokyo
2023200m 21.61-1.8Jun 18, 202376th Kita Kyushu High School Athletics Championships
2023300m 33.48–Oct 13, 2023National Sports Festival
20234x100m 41.48–Jun 17, 202376th Kita Kyushu High School Athletics Championships
FAQ

Frequently asked questions

Hayato Kawai's 300 Metres personal best is 33.48, set on Oct 13, 2023 in Prefectural Stadium, Kagoshima (JPN).

Hayato Kawai competes in the 300 Metres and 400 m.

2026 season best: 48.00, set on Apr 12, 2026 in Gion Stadium, Machida (JPN). Last competition: 62nd Four University Inter-College Track and Field Tournament on Apr 12, 2026, 48.00.