Rin Koike

JapanJapanActive
Born
Nov 2, 2004 (22 years old)
Events
100 m · 200 m

Rin Koike is a Japan sprinter, born on November 2, 2004. She competes primarily in the 100m, 200m and 4x100m.

Her personal bests include 12.34 in the 100m, 25.30 in the 200m, 46.47 in the 4x100m, 3:45.67 in the 4x400m and 41.77 in the 300m. She is currently active on the international athletics circuit, representing Japan.

Personal best · 100 m12.34
2026 season best25.92Jul 25, 2026
Personal best · 200 m25.30
Last competitionThe 5th NIHON University CompetitionJul 25, 2026 · 25.92

As of Nov 14, 2026: 100 m 12.34, 200 m 25.30, 2026 season best 25.92 (Jul 25, 2026) · Last competition: The 5th NIHON University Competition, Jul 25, 2026, 25.92 · 22 years old

DisciplineResultAll-time2026
100mUtsunomiya 2022Japan 100 m all-time list12.34925 pts––
200mSagamihara 2024Japan 200 m all-time list25.30*914 pts––
4x100mTokyo 2024Japan 4 × 100 m all-time list46.47––
4x400mUtsunomiya 2026Japan 4 × 400 m all-time list3:45.67––
300mFujisawa 202641.77869 pts–#643

* Wind-assisted (> 2.0 m/s)

Progression

SeasonDisciplineResultWindDateCompetitions
2026200m 25.92-2.0Jul 25, 2026The 5th NIHON University Competition
2026300m 41.77–Mar 19, 2026Spring Challenge Meet
20264x400m 3:45.67–May 24, 2026The 105th Kanto Inter-University Track&Field Championships
20254x400m 3:53.66–Sep 27, 2025The 36th Rookie Athletics Championships and Relay Competition, Gion Stadium, Sagamihara
2024100m 12.53+2.2Sep 27, 202435th Kanto University Rookies Athletics Championships
2024200m 25.30+2.3Sep 29, 202435th Kanto University Rookies Athletics Championships
20244x100m 46.47–Jul 21, 2024The 19th Twilight Games, AGF Field, Tokyo
2023100m 12.65+1.8Sep 22, 202334th Kanto University Rookies Athletics Championships, Gion Stadium, Sagamihara
FAQ

Frequently asked questions

Rin Koike's 100 m personal best is 12.34, set on Jul 16, 2022 in Kanseki Stadium, Utsunomiya (JPN).

Rin Koike competes in the 100 m and 200 m.

2026 season best: 25.92, set on Jul 25, 2026. Last competition: The 5th NIHON University Competition on Jul 25, 2026, 25.92.