Kasumi Shirai
- Born
- Sep 8, 2002 (24 years old)
- Events
- 3000 m steeplechase · 10 Kilometres Road
Kasumi Shirai is a Japan long-distance runner, born on September 8, 2002. She competes primarily in the 3000m, 5000m and Semi.
Her personal bests include 10:32.36 in the 3000m, 16:46.58 in the 5000m, 1:20:25 in the Semi, 2:54:05 in the Marathon and 10:30.26 in the 3000mSt. She is currently active on the international athletics circuit, representing Japan.
Personal best · 3000 m steeplechase10:30.26
2026 season best6:55.83Jul 18, 2026 · Nagaragawa Stadium, Gifu
Personal best · 10 Kilometres Road35:16
Last competitionHOKUREN Distance Challenge in SHIBETSUJul 18, 2026 · 6:55.83
As of Nov 8, 2026: 3000 m steeplechase 10:30.26, 10 Kilometres Road 35:16, 2026 season best 6:55.83 (Jul 18, 2026, Nagaragawa Stadium, Gifu (JPN)) · Last competition: HOKUREN Distance Challenge in SHIBETSU, Jul 18, 2026, 6:55.83 · 24 years old
Personal bests
WA points calculator →DisciplineResultAll-time2026
10KilometrYamaguchi 202635:16––
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2026 | 3000mSt | 6:55.83 | – | Jul 18, 2026 | HOKUREN Distance Challenge in SHIBETSU |
| 2026 | 3000m | 9:39.22 | – | Jul 11, 2026 | HOKUREN Distance Challenge in KITAMI |
| 2026 | 10Kilometr | 35:16 | – | Feb 8, 2026 | 54th Yamaguchi All-Corporate Half Marathon Championships |
| 2025 | 3000mSt | 10:50.14 | – | Sep 27, 2025 | 73rd Japan Corporate Teams Athletics Championships |
| 2025 | 5000m | 17:20.62 | – | Dec 6, 2025 | EDION Distance Challenge in Osaka 2025 |
| 2024 | 3000mSt | 10:30.26 | – | Sep 22, 2024 | 93rd Japan Inter-University Athletics Championships |
| 2024 | 5000m | 16:46.58 | – | Dec 7, 2024 | Edion Distance Challenge 2024 |
| 2023 | 3000mSt | 10:40.35 | – | May 25, 2023 | 100th Kansai Inter-University Championships |