Koshiro Tanimoto

JapanJapanActive
Born
Apr 22, 2005 (21 years old)
Events
1500 m

Koshiro Tanimoto is a Japan middle-distance runner, born on April 22, 2005. He competes primarily in the 800m, 1500m and 3000m.

His personal bests include 1:52.36 in the 800m, 3:44.90 in the 1500m, 8:13.09 in the 3000m, 14:10.33 in the 5000m and 1:08:54 in the Semi. He is currently active on the international athletics circuit, representing Japan.

Personal best · 1500 m3:44.90
2026 season best3:46.15Apr 12, 2026 · Gion Stadium, Machida
Last competition62nd Four University Inter-College Track and Field TournamentApr 12, 2026 · 3:46.15

As of Nov 13, 2026: 1500 m 3:44.90, 2026 season best 3:46.15 (Apr 12, 2026, Gion Stadium, Machida (JPN)) · Last competition: 62nd Four University Inter-College Track and Field Tournament, Apr 12, 2026, 3:46.15 · 21 years old

DisciplineResultAll-time
800mFukuoka 2021Japan 800 m all-time list1:52.36960 pts–
1500mOkayama 2025Japan 1500 m all-time list3:44.901,042 pts–
3000mOmuta 2022Japan 3000 m all-time list8:13.09981 pts–
5000mKitakyushu 2022Japan 5000 m all-time list14:10.33966 pts–
SemiTachikawa 2024Japan Half Marathon all-time list1:08:54855 pts–
1000mOmuta 20222:24.05981 pts–

Progression

FAQ

Frequently asked questions

Koshiro Tanimoto's 1500 m personal best is 3:44.90, set on Jun 5, 2025 in Prefectural Stadium, Okayama (JPN).

Koshiro Tanimoto competes in the 1500 m.

2026 season best: 3:46.15, 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, 3:46.15.