Kokona Sasaki

JapanJapanActive
Born
Jul 20, 2008 (18 years old)
Events
400 m

Kokona Sasaki is a Japan sprinter, born on July 20, 2008. She competes primarily in the 100m, 400m and 300m.

Her personal bests include 12.91 in the 100m, 59.32 in the 400m and 42.50 in the 300m. She is currently active on the international athletics circuit, representing Japan.

Personal best · 400 m59.32
2026 season best61.36Aug 22, 2026
2026 season best
Last competitionThe 53rd Tohoku Athletics Championships, Azuma Stadium, FukushimaAug 22, 2026 · 61.36
The 53rd Tohoku Athletics Championships, Azuma Stadium, Fukushima

As of Nov 14, 2026: 400 m 59.32, 2026 season best 61.36 (Aug 22, 2026) · Last competition: The 53rd Tohoku Athletics Championships, Azuma Stadium, Fukushima, Aug 22, 2026, 61.36 · 18 years old

Personal bests

WA points calculator →
DisciplineResultAll-time
100mAkita 2025Japan 100 m all-time list12.91819 pts–
400mAkita 2025Japan 400 m all-time list59.32860 pts–
300mAkita 202542.50833 pts–

Progression

SeasonDisciplineResultWindDateCompetitions
2026400m 61.36–Aug 22, 2026The 53rd Tohoku Athletics Championships, Azuma Stadium, Fukushima
2025100m 12.91+0.6Jul 5, 202564th Akita Prefecture Track and Field Championships
2025300m 42.50–Jul 5, 202564th Akita Prefecture Track and Field Championships
2025400m 59.32–Jul 4, 202564th Akita Prefecture Track and Field Championships
FAQ

Frequently asked questions

Kokona Sasaki's 400 m personal best is 59.32, set on Jul 4, 2025 in Athletics Stadium, Akita (JPN).

Kokona Sasaki competes in the 400 m.

2026 season best: 61.36, set on Aug 22, 2026. Last competition: The 53rd Tohoku Athletics Championships, Azuma Stadium, Fukushima on Aug 22, 2026, 61.36.