Asa Kobayashi
JapanActive- Born
- Mar 8, 2002 (24 years old)
- Events
- 10 000 m · Half Marathon
Asa Kobayashi is a Japan middle-distance runner, born on March 8, 2002. She competes primarily in the 1500m, 5000m and 10000m.
Her personal bests include 4:23.96 in the 1500m, 15:42.77 in the 5000m, 32:27.45 in the 10000m and 1:11:26 in the Semi. She is currently active on the international athletics circuit, representing Japan.
Personal best · 10 000 m32:27.45
2026 season best15:52.70Nov 7, 2026
Personal best · Half Marathon1:11:26
Last competition26th NITTAIDAI Challenge GamesNov 7, 2026 · 15:52.70
As of Nov 14, 2026: 10 000 m 32:27.45, Half Marathon 1:11:26, 2026 season best 15:52.70 (Nov 7, 2026) · Last competition: 26th NITTAIDAI Challenge Games, Nov 7, 2026, 15:52.70 · 24 years old
Personal bests
WA points calculator →DisciplineResultAll-time2026
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2026 | 5000m | 15:52.70 | – | Nov 7, 2026 | 26th NITTAIDAI Challenge Games |
| 2026 | Semi | 1:12:58 | – | Feb 8, 2026 | 54th Yamaguchi All-Corporate Half Marathon Championships |
| 2025 | 1500m | 4:23.96 | – | Jun 7, 2025 | 69th Kansai Inter-Corporate Track & Field Championships |
| 2025 | 5000m | 15:42.77 | – | Nov 29, 2025 | 19th NITTAIDAI Challenge Games |
| 2025 | 10000m | 32:27.45 | – | Dec 6, 2025 | EDION Distance Challenge in Osaka 2025 |
| 2025 | Semi | 1:11:26 | – | Dec 21, 2025 | The 44th SANYO Ladies Road Race |
| 2024 | 1500m | 4:50.43 | – | Jun 1, 2024 | 68th Kansai Inter-Corporate Track & Field Championships, Yanmar Stadium Nagai, Osaka |
| 2024 | 10000m | 33:46.99 | – | Dec 7, 2024 | Edion Distance Challenge 2024 |