Koki Ozawa

JapanJapanActive
Events
Marathon · 10 000 m

Koki Ozawa is a Japan long-distance runner. He competes primarily in the 10000m, Semi and Marathon.

His personal bests include 30:32.38 in the 10000m, 1:07:43 in the Semi, 2:22:18 in the Marathon and 1:05:51 in the 20Kilometr. He is currently active on the international athletics circuit, representing Japan.

Personal best · Marathon2:22:18
2026 season best2:22:04Nov 1, 2026
2026 season best
Personal best · 10 000 m30:32.38
Last competitionTCS New York City Marathon, New York, NYNov 1, 2026 · 2:22:04
TCS New York City Marathon, New York, NY

As of Nov 13, 2026: Marathon 2:22:18, 10 000 m 30:32.38, 2026 season best 2:22:04 (Nov 1, 2026) · Last competition: TCS New York City Marathon, New York, NY, Nov 1, 2026, 2:22:04

Personal bests

WA points calculator →
DisciplineResultAll-time
10000mCA 2022Japan 10 000 m all-time list30:32.38910 pts–
SemiTX 2024Japan Half Marathon all-time list1:07:43896 pts–
MarathonIL 2024Japan Marathon all-time list2:22:18919 pts–
20KilometrCT 20241:05:51–

Progression

SeasonDisciplineResultWindDateCompetitions
2026Marathon 2:22:04–Nov 1, 2026TCS New York City Marathon, New York, NY
2025Marathon 2:24:15–Oct 12, 2025Bank of America Chicago Marathon
202420Kilometr 1:05:51–Sep 2, 2024Faxon Law New Haven Road Race
2024Semi 1:07:43–Jan 14, 2024Aramco Houston Half Marathon
2024Marathon 2:22:18–Oct 13, 2024Bank of America Chicago Marathon
2023Marathon 2:27:33–Sep 24, 2023BMW Berlin Marathon
202210000m 30:32.38–Apr 14, 2022Cougar Athletic Stadium, Azusa, CA (USA)
FAQ

Frequently asked questions

Koki Ozawa's Marathon personal best is 2:22:18, set on Oct 13, 2024 in Chicago, IL (USA).

Koki Ozawa competes in the Marathon and 10 000 m.

2026 season best: 2:22:04, set on Nov 1, 2026. Last competition: TCS New York City Marathon, New York, NY on Nov 1, 2026, 2:22:04.