Ayumu Kobayashi
JapanActive- Born
- Aug 15, 1998 (28 years old)
- Events
- 10 000 m · Half Marathon
Ayumu Kobayashi is a Japan middle-distance runner, born on August 15, 1998. He competes primarily in the 1500m, 3000m and 5000m.
His personal bests include 3:49.52 in the 1500m, 7:54.67 in the 3000m, 13:22.17 in the 5000m, 27:28.13 in the 10000m and 1:00:44 in the Semi. He is currently active on the international athletics circuit, representing Japan.
Personal best · 10 000 m27:28.13
2026 season best27:59.64May 10, 2026 · Yanmar Stadium Nagai, Osaka
Personal best · Half Marathon1:00:44
Last competitionHOKUREN Distance Challenge in KITAMIJul 11, 2026 · 14:58.26
As of Oct 28, 2026: 10 000 m 27:28.13 (#336 all-time), Half Marathon 1:00:44 (#672 all-time), 2026 season best 27:59.64 (May 10, 2026, Yanmar Stadium Nagai, Osaka (JPN)) · Last competition: HOKUREN Distance Challenge in KITAMI, Jul 11, 2026, 14:58.26 · 28 years old
Personal bests
WA points calculator →Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2026 | 5000m | 13:35.52 | – | Apr 26, 2026 | 21st Nittaidai Challenge Games |
| 2026 | 10000m | 27:59.64 | – | May 10, 2026 | 13th Kinami Michitaka Memorial Athletics Meet |
| 2026 | Semi | 1:00:53 | – | Feb 8, 2026 | 54th Yamaguchi All-Corporate Half Marathon Championships |
| 2025 | 3000m | 7:54.67 | – | May 18, 2025 | Seiko Golden Grand Prix 2025 Tokyo, National Stadium, Tokyo |
| 2025 | 5000m | 13:33.07 | – | Jul 19, 2025 | HOKUREN Distance Challenge 2025 in ABASHIRI, Athletic Track, Abashiri |
| 2025 | 10000m | 27:36.00 | – | Nov 22, 2025 | Hachioji Long Distance |
| 2025 | Semi | 1:01:23 | – | Feb 2, 2025 | 77th Kagawa Marugame International Half Marathon, Marugame |
| 2025 | Marathon | 2:22:05 | – | Mar 2, 2025 | Tokyo Marathon |