Ai Koyama

JapanJapanActive
Born
Sep 6, 2009 (17 years old)
Events
1500 m

Ai Koyama is a Japan middle-distance runner, born on September 6, 2009. She competes primarily in the 1500m and 3000m.

Her personal bests include 4:36.61 in the 1500m and 10:17.50 in the 3000m. She is currently active on the international athletics circuit, representing Japan.

Personal best · 1500 m4:36.61
2026 season best4:45.15Aug 25, 2026
2026 season best
Last competitionThe 34th Japan-Korea-China Junior Exchange Games, Saga TournamentAug 25, 2026 · 4:45.15
The 34th Japan-Korea-China Junior Exchange Games, Saga Tournament

As of Nov 15, 2026: 1500 m 4:36.61, 2026 season best 4:45.15 (Aug 25, 2026) · Last competition: The 34th Japan-Korea-China Junior Exchange Games, Saga Tournament, Aug 25, 2026, 4:45.15 · 17 years old

Personal bests

WA points calculator →
DisciplineResultAll-time
1500mOita 2025Japan 1500 m all-time list4:36.61930 pts–
3000mOita 2025Japan 3000 m all-time list10:17.50861 pts–

Progression

SeasonDisciplineResultWindDateCompetitions
20261500m 4:45.15–Aug 25, 2026The 34th Japan-Korea-China Junior Exchange Games, Saga Tournament
20251500m 4:36.61–Aug 24, 2025The 80th Kyusyu Athletics Championships, Showa Denko Stadium, Oita
20253000m 10:17.50–Aug 22, 2025The 80th Kyusyu Athletics Championships, Showa Denko Stadium, Oita
FAQ

Frequently asked questions

Ai Koyama's 1500 m personal best is 4:36.61, set on Aug 24, 2025 in Showa Denko Stadium, Oita (JPN).

Ai Koyama competes in the 1500 m.

2026 season best: 4:45.15, set on Aug 25, 2026. Last competition: The 34th Japan-Korea-China Junior Exchange Games, Saga Tournament on Aug 25, 2026, 4:45.15.