Ai Onuma

Ai Onuma

JapanJapan
Born
Nov 12, 2001 (25 years old)
Events
Half Marathon · 3000 m

Ai Onuma is a Japan middle-distance runner, born on November 12, 2001. She competes primarily in the 1500m, 3000m and 5000m.

Her personal bests include 4:38.38 in the 1500m, 9:38.06 in the 3000m, 16:45.06 in the 5000m, 36:30.19 in the 10000m and 1:16:26 in the Semi. She is currently active on the international athletics circuit, representing Japan.

Personal best · Half Marathon1:16:26
2025 season best4:38.38May 23, 2025 · Prefectural Stadium, Kumagaya
2025 season best
Personal best · 3000 m9:38.06
Last competition67th East Japan Corporate Athletics Championships, Prefectural Stadium, KumagayaMay 25, 2025 · 18:00.56
67th East Japan Corporate Athletics Championships, Prefectural Stadium, Kumagaya

As of Nov 14, 2026: Half Marathon 1:16:26, 3000 m 9:38.06, 2025 season best 4:38.38 (May 23, 2025, Prefectural Stadium, Kumagaya (JPN)) · Last competition: 67th East Japan Corporate Athletics Championships, Prefectural Stadium, Kumagaya, May 25, 2025, 18:00.56 · 25 years old

Personal bests

WA points calculator →
DisciplineResultAll-time
1500mKumagaya 2025Japan 1500 m all-time list4:38.38917 pts–
3000mChitose 2024Japan 3000 m all-time list9:38.06982 pts–
5000mFukagawa 2024Japan 5000 m all-time list16:45.06969 pts–
10000mTokyo 2022Japan 10 000 m all-time list36:30.19913 pts–
SemiMarugame 2023Japan Half Marathon all-time list1:16:261,002 pts–

Progression

FAQ

Frequently asked questions

Ai Onuma's Half Marathon personal best is 1:16:26, set on Feb 5, 2023 in Marugame (JPN).

Ai Onuma competes in the Half Marathon and 3000 m.

2025 season best: 4:38.38, set on May 23, 2025 in Prefectural Stadium, Kumagaya (JPN). Last competition: 67th East Japan Corporate Athletics Championships, Prefectural Stadium, Kumagaya on May 25, 2025, 18:00.56.