Kokoro Kumagai
JapanActive- Born
- Aug 11, 2006 (20 years old)
- Events
- 400 m · 300 Metres
Kokoro Kumagai is a Japan sprinter, born on August 11, 2006. She competes primarily in the 100m, 200m and 400m.
Her personal bests include 12.66 in the 100m, 25.38 in the 200m, 56.70 in the 400m and 40.33 in the 300m. She is currently active on the international athletics circuit, representing Japan.
Personal best · 400 m56.70
2026 season best57.57May 2, 2026 · NITTAIDAI Athletic Stadium, Yokohama
Personal best · 300 Metres40.33
Last competitionThe 105th Kanto Inter-University Track＆Field ChampionshipsMay 23, 2026 · 3:55.61
As of Nov 14, 2026: 400 m 56.70, 300 Metres 40.33, 2026 season best 57.57 (May 2, 2026, NITTAIDAI Athletic Stadium, Yokohama (JPN)) · Last competition: The 105th Kanto Inter-University Track＆Field Championships, May 23, 2026, 3:55.61 · 20 years old
Personal bests
WA points calculator →DisciplineResultAll-time2026
300mMatsuyama 202340.33941 pts–#488
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2026 | 100m | 12.66 | +0.8 | Mar 28, 2026 | The 10th Nihon University Competition |
| 2026 | 200m | 26.18 | +1.7 | Apr 18, 2026 | The 1st Nihon University Competition |
| 2026 | 300m | 41.22 | – | Mar 19, 2026 | Spring Challenge Meet |
| 2026 | 400m | 57.57 | – | May 2, 2026 | 154th Nippon Sport Science University Competition, NITTAIDAI Athletic Stadium, Yokohama |
| 2026 | 4x400m | 3:55.61 | – | May 23, 2026 | The 105th Kanto Inter-University Track＆Field Championships |
| 2025 | 200m | 26.45 | +0.2 | Sep 27, 2025 | The 36th Rookie Athletics Championships and Relay Competition, Gion Stadium, Sagamihara |
| 2024 | 200m | 25.38 | -0.8 | Jun 16, 2024 | Kita Kanto Highschool Meeting/Minami Kanto Highschool Meeting, Komazawa Olympic Park Athletic Stadium, Tokyo - South Kanto |
| 2024 | 400m | 56.70 | – | Jun 14, 2024 | Kita Kanto Highschool Meeting/Minami Kanto Highschool Meeting, Komazawa Olympic Park Athletic Stadium, Tokyo - South Kanto |