Kosei Atomura
- Born
- Aug 31, 2004 (22 years old)
- Events
- 10 000 m · 5000 m
Kosei Atomura is a Japan middle-distance runner, born on August 31, 2004. He competes primarily in the 1500m, 3000m and 5000m.
His personal bests include 3:54.43 in the 1500m, 8:48.57 in the 3000m, 13:59.84 in the 5000m, 28:30.39 in the 10000m and 1:03:16 in the Semi. He is currently active on the international athletics circuit, representing Japan.
Personal best · 10 000 m28:30.39
2026 season best29:46.33Jul 12, 2026
Personal best · 5000 m13:59.84
Last competitionSummer Distance ChallengeJul 12, 2026 · 29:46.33
As of Nov 13, 2026: 10 000 m 28:30.39, 5000 m 13:59.84, 2026 season best 29:46.33 (Jul 12, 2026) · Last competition: Summer Distance Challenge, Jul 12, 2026, 29:46.33 · 22 years old
Personal bests
WA points calculator →DisciplineResultAll-time2026
5KilometreHerzogenaurach 202414:00––
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2026 | 10000m | 29:46.33 | – | Jul 12, 2026 | Summer Distance Challenge |
| 2026 | Semi | 1:03:16 | – | Mar 29, 2026 | Generali Berliner Halbmarathon |
| 2025 | 5000m | 14:02.08 | – | Jul 20, 2025 | 2025 Summer Distance Challenge, Athletic Track, Abashiri |
| 2024 | 5000m | 13:59.84 | – | May 10, 2024 | The 103th Kanto Inter-University Track&Field Championships, National Stadium, Tokyo |
| 2024 | 5Kilometre | 14:00 | – | Apr 27, 2024 | adizero Road to Records |
| 2024 | 10000m | 28:30.39 | – | Jul 14, 2024 | Summer Distance Challenge |
| 2023 | 5Kilometre | 14:18 | – | Mar 26, 2023 | Adidas Tokyo City Race |
| 2023 | 5000m | 14:25.09 | – | Jun 1, 2023 | Japanese U20 Championships |