Kosei Atomura

JapanJapanActive
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

DisciplineResultAll-time2026
1500mSendai 2022Japan 1500 m all-time list3:54.43922 pts––
3000mAomori 2020Japan 3000 m all-time list8:48.57790 pts––
5000mTokyo 2024Japan 5000 m all-time list13:59.841,001 pts––
10000mAbashiri 2024Japan 10 000 m all-time list28:30.391,086 pts–#974
SemiBerlin 2026Japan Half Marathon all-time list1:03:161,059 pts––
5KilometreHerzogenaurach 202414:00––

Progression

SeasonDisciplineResultWindDateCompetitions
202610000m 29:46.33–Jul 12, 2026Summer Distance Challenge
2026Semi 1:03:16–Mar 29, 2026Generali Berliner Halbmarathon
20255000m 14:02.08–Jul 20, 20252025 Summer Distance Challenge, Athletic Track, Abashiri
20245000m 13:59.84–May 10, 2024The 103th Kanto Inter-University Track&Field Championships, National Stadium, Tokyo
20245Kilometre 14:00–Apr 27, 2024adizero Road to Records
202410000m 28:30.39–Jul 14, 2024Summer Distance Challenge
20235Kilometre 14:18–Mar 26, 2023Adidas Tokyo City Race
20235000m 14:25.09–Jun 1, 2023Japanese U20 Championships
FAQ

Frequently asked questions

Kosei Atomura's 10 000 m personal best is 28:30.39, set on Jul 14, 2024 in Athletic Track, Abashiri (JPN).

Kosei Atomura competes in the 10 000 m and 5000 m.

2026 season best: 29:46.33, set on Jul 12, 2026. Last competition: Summer Distance Challenge on Jul 12, 2026, 29:46.33.