Riko Tamamoto

Born
Aug 5, 2007 (19 years old)
Events
400 m

Riko Tamamoto is a Japan sprinter, born on August 5, 2007. She competes primarily in the 400m, 800m and 1000m.

Her personal bests include 60.20 in the 400m, 2:14.16 in the 800m and 2:58.27 in the 1000m. She is currently active on the international athletics circuit, representing Japan.

Personal best · 400 m60.20
2025 season best60.23Jun 20, 2025 · Edion Stadium, Hiroshima
Last competition79th Chugoku Regional Track and Field Championships, Ishin Me-Life Stadium, YamaguchiAug 24, 2025 · 2:20.90

As of Nov 15, 2026: 400 m 60.20, 2025 season best 60.23 (Jun 20, 2025, Edion Stadium, Hiroshima (JPN)) · Last competition: 79th Chugoku Regional Track and Field Championships, Ishin Me-Life Stadium, Yamaguchi, Aug 24, 2025, 2:20.90 · 19 years old

DisciplineResultAll-time
400mTottori 2024Japan 400 m all-time list60.20831 pts–
800mTottori 2024Japan 800 m all-time list2:14.16923 pts–
1000mYamaguchi 20222:58.27879 pts–

Progression

FAQ

Frequently asked questions

Riko Tamamoto's 400 m personal best is 60.20, set on Jun 14, 2024 in Athletic Stadium, Tottori (JPN).

Riko Tamamoto competes in the 400 m.

2025 season best: 60.23, set on Jun 20, 2025 in Edion Stadium, Hiroshima (JPN). Last competition: 79th Chugoku Regional Track and Field Championships, Ishin Me-Life Stadium, Yamaguchi on Aug 24, 2025, 2:20.90.