Kouki ASAI
- Born
- Jan 18, 2003 (23 years old)
- Events
- Half Marathon · 10 000 m
Kouki ASAI is a Japan long-distance runner, born on January 18, 2003. He competes primarily in the 3000m, 5000m and 10000m.
His personal bests include 8:36.48 in the 3000m, 13:54.17 in the 5000m, 28:25.44 in the 10000m, 1:00:54 in the Semi and 9:29.75 in the 3000mSt. He is currently active on the international athletics circuit, representing Japan.
Personal best · Half Marathon1:00:54
2026 season best1:00:54Feb 8, 2026
Personal best · 10 000 m28:25.44
Last competition27th Central Japan Corporate Athletics ChampionshipsOct 3, 2026 · 28:40.34
As of Nov 13, 2026: Half Marathon 1:00:54, 10 000 m 28:25.44, 2026 season best 1:00:54 (Feb 8, 2026) · Last competition: 27th Central Japan Corporate Athletics Championships, Oct 3, 2026, 28:40.34 · 23 years old
Personal bests
WA points calculator →DisciplineResultAll-time2026
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2026 | 10000m | 28:27.51 | – | Jul 8, 2026 | HOKUREN Distance Challenge in ABASHIRI |
| 2026 | Semi | 1:00:54 | – | Feb 8, 2026 | 54th Yamaguchi All-Corporate Half Marathon Championships |
| 2025 | 5000m | 13:54.17 | – | May 11, 2025 | 69th Central Japan Corporate Teams Athletics Championships, Nagaragawa Stadium, Gifu - Open Event |
| 2025 | 10000m | 28:25.44 | – | Nov 22, 2025 | Hachioji Long Distance |
| 2025 | Semi | 1:01:48 | – | Feb 2, 2025 | 77th Kagawa Marugame International Half Marathon, Marugame |
| 2024 | Semi | 1:01:09 | – | Feb 4, 2024 | 76th Kagawa Marugame International Half Marathon |
| 2023 | 5000m | 14:12.94 | – | Apr 9, 2023 | 59th Four University Inter-College Track and Field Tournament, Gion Stadium, Sagamihara |
| 2023 | 10000m | 28:30.11 | – | May 11, 2023 | 102nd Kanto Inter-University Track & Field Championships, Gion Stadium, Sagamihara - 2nd Tier |