Koa Setoguchi

JapanJapanActive
Born
Jun 23, 2009 (17 years old)
Events
3000 m · 1500 m

Koa Setoguchi is a Japan middle-distance runner, born on June 23, 2009. She competes primarily in the 1500m and 3000m.

Her personal bests include 4:28.16 in the 1500m and 9:19.57 in the 3000m. She is currently active on the international athletics circuit, representing Japan.

Personal best · 3000 m9:19.57
2026 season best4:51.4hJun 20, 2026
Personal best · 1500 m4:28.16
Last competitionGinza Road Mile, TokyoJun 20, 2026 · 4:51.4h

As of Nov 14, 2026: 3000 m 9:19.57, 1500 m 4:28.16, 2026 season best 4:51.4h (Jun 20, 2026) · Last competition: Ginza Road Mile, Tokyo, Jun 20, 2026, 4:51.4h · 17 years old

DisciplineResultAll-time
1500mHikone 2025Japan 1500 m all-time list4:28.16990 pts–
3000mYokohama 2025Japan 3000 m all-time list9:19.571,041 pts–

Progression

SeasonDisciplineResultWindDateCompetitions
2026MileRoad 4:51.4h–Jun 20, 2026Ginza Road Mile, Tokyo
20251500m 4:28.16–Oct 6, 2025Japan Games, Athletic Stadium, Hikone
20253000m 9:19.57–Nov 29, 202519th NITTAIDAI Challenge Games
20223000m 10:06.37–Oct 16, 2022Prefectural Stadium, Isahaya (JPN)
FAQ

Frequently asked questions

Koa Setoguchi's 3000 m personal best is 9:19.57, set on Nov 29, 2025 in NITTAIDAI Athletic Stadium, Yokohama (JPN).

Koa Setoguchi competes in the 3000 m and 1500 m.

2026 season best: 4:51.4h, set on Jun 20, 2026. Last competition: Ginza Road Mile, Tokyo on Jun 20, 2026, 4:51.4h.