Tomoaki Shimizu

Born
Jul 10, 2003 (23 years old)
Events
400 m · 300 Metres

Tomoaki Shimizu is a Japan sprinter, born on July 10, 2003. He competes primarily in the 100m, 200m and 400m.

His personal bests include 10.89 in the 100m, 21.94 in the 200m, 48.16 in the 400m, 3:12.76 in the 4x400m and 34.30 in the 300m. He is currently active on the international athletics circuit, representing Japan.

Personal best · 400 m48.16
2025 season best48.99Mar 22, 2025 · Mikio Oda Memorial Athletic Field, Tokorozawa
Personal best · 300 Metres34.30
Last competitionThe 101st WASEDA & KEIO Athletic Meet, Keio Univ. Hiyoshi Athletics Field, YokohamaAug 11, 2025 · 11.33

As of Nov 13, 2026: 400 m 48.16, 300 Metres 34.30, 2025 season best 48.99 (Mar 22, 2025, Mikio Oda Memorial Athletic Field, Tokorozawa (JPN)) · Last competition: The 101st WASEDA & KEIO Athletic Meet, Keio Univ. Hiyoshi Athletics Field, Yokohama, Aug 11, 2025, 11.33 · 23 years old

DisciplineResultAll-time
100mMie 2021Japan 100 m all-time list10.89*919 pts–
200mIse 2022Japan 200 m all-time list21.94934 pts–
400mGifu 2024Japan 400 m all-time list48.16971 pts–
4x400mTokyo 2024Japan 4 × 400 m all-time list3:12.76–
300mIse 202134.30959 pts–

* Wind-assisted (> 2.0 m/s)

Progression

SeasonDisciplineResultWindDateCompetitions
2025100m 11.33+0.0Aug 11, 2025The 101st WASEDA & KEIO Athletic Meet, Keio Univ. Hiyoshi Athletics Field, Yokohama
2025400m 48.99–Mar 22, 2025Track Games in Tokorozawa
2024400m 48.16–Aug 18, 202467th Tokai Athletics Championships
20244x400m 3:12.76–Mar 17, 20242024 Spring Challenge Meet, National Stadium, Tokyo
2023200m 22.49+0.6Mar 26, 2023Tokorozawa Games, Mikio Oda Memorial Athletic Field, Tokorozawa
2023400m 48.53–Aug 26, 202366th Tokai Athletics Championships
20234x400m 3:13.42–Sep 24, 202334th Kanto University Rookies Athletics Championships, Gion Stadium, Sagamihara
2022200m 21.94-0.9Jul 9, 2022Prefectural Stadium, Ise (JPN)
FAQ

Frequently asked questions

Tomoaki Shimizu's 400 m personal best is 48.16, set on Aug 18, 2024 in Nagaragawa Stadium, Gifu (JPN).

Tomoaki Shimizu competes in the 400 m and 300 Metres.

2025 season best: 48.99, set on Mar 22, 2025 in Mikio Oda Memorial Athletic Field, Tokorozawa (JPN). Last competition: The 101st WASEDA & KEIO Athletic Meet, Keio Univ. Hiyoshi Athletics Field, Yokohama on Aug 11, 2025, 11.33.