Rin Koike
- 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
Personal bests
WA points calculator →DisciplineResultAll-time2026
300mFujisawa 202641.77869 pts–#643
* Wind-assisted (> 2.0 m/s)
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2026 | 200m | 25.92 | -2.0 | Jul 25, 2026 | The 5th NIHON University Competition |
| 2026 | 300m | 41.77 | – | Mar 19, 2026 | Spring Challenge Meet |
| 2026 | 4x400m | 3:45.67 | – | May 24, 2026 | The 105th Kanto Inter-University Track&Field Championships |
| 2025 | 4x400m | 3:53.66 | – | Sep 27, 2025 | The 36th Rookie Athletics Championships and Relay Competition, Gion Stadium, Sagamihara |
| 2024 | 100m | 12.53 | +2.2 | Sep 27, 2024 | 35th Kanto University Rookies Athletics Championships |
| 2024 | 200m | 25.30 | +2.3 | Sep 29, 2024 | 35th Kanto University Rookies Athletics Championships |
| 2024 | 4x100m | 46.47 | – | Jul 21, 2024 | The 19th Twilight Games, AGF Field, Tokyo |
| 2023 | 100m | 12.65 | +1.8 | Sep 22, 2023 | 34th Kanto University Rookies Athletics Championships, Gion Stadium, Sagamihara |