Hayato KASAHARA

Born
Oct 20, 2003 (23 years old)
Events
400 m · 800 m

Hayato KASAHARA is a Japan sprinter, born on October 20, 2003. He competes primarily in the 400m, 800m and 4x400m.

His personal bests include 49.44 in the 400m, 1:55.42 in the 800m, 3:20.08 in the 4x400m and 36.14 in the 300m. He is currently active on the international athletics circuit, representing Japan.

Personal best · 400 m49.44
2025 season best49.82May 8, 2025 · Gion Stadium, Sagamihara
Personal best · 800 m1:55.42
Last competitionThe 104th Kanto Inter-University Track&Field Championships, Gion Stadium, SagamiharaMay 10, 2025 · 3:20.33

As of Nov 13, 2026: 400 m 49.44, 800 m 1:55.42, 2025 season best 49.82 (May 8, 2025, Gion Stadium, Sagamihara (JPN)) · Last competition: The 104th Kanto Inter-University Track&Field Championships, Gion Stadium, Sagamihara, May 10, 2025, 3:20.33 · 23 years old

DisciplineResultAll-time
400mShizuoka 2024Japan 400 m all-time list49.44892 pts–
800mShizuoka 2024Japan 800 m all-time list1:55.42878 pts–
4x400mSagamihara 2024Japan 4 × 400 m all-time list3:20.08–
300mFuji 202136.14811 pts–

Progression

SeasonDisciplineResultWindDateCompetitions
2025400m 49.82–May 8, 2025The 104th Kanto Inter-University Track&Field Championships, Gion Stadium, Sagamihara
20254x400m 3:20.33–May 10, 2025The 104th Kanto Inter-University Track&Field Championships, Gion Stadium, Sagamihara
2024400m 49.44–Jul 14, 2024Shizuoka Championship
2024800m 1:55.42–Jul 14, 2024Shizuoka Championship
20244x400m 3:20.08–Sep 28, 202435th Kanto University Rookies Athletics Championships
2022400m 50.87–Sep 25, 2022NITTAIDAI Athletic Stadium, Yokohama (JPN)
2021300m 36.14–Mar 27, 2021Athletics Stadium, Fuji (JPN)
2021400m 49.67–Nov 13, 2021Ashitaka Park Stadium, Numazu (JPN)
FAQ

Frequently asked questions

Hayato KASAHARA's 400 m personal best is 49.44, set on Jul 14, 2024 in Kusanagi Athletic Stadium, Shizuoka (JPN).

Hayato KASAHARA competes in the 400 m and 800 m.

2025 season best: 49.82, set on May 8, 2025 in Gion Stadium, Sagamihara (JPN). Last competition: The 104th Kanto Inter-University Track&Field Championships, Gion Stadium, Sagamihara on May 10, 2025, 3:20.33.