Rio MITSUISHI
- Born
- Jan 8, 2010 (16 years old)
Rio MITSUISHI is a Japan hurdler, born on January 8, 2010. She competes primarily in the 400mH.
Her personal bests include 1:07.40 in the 400mH. She is currently active on the international athletics circuit, representing Japan.
2026 season best15.73Aug 21, 2026
Last competition81st Kyushu Athletics ChampionshipsAug 21, 2026 · 15.73
As of Nov 14, 2026: 2026 season best 15.73 (Aug 21, 2026) · Last competition: 81st Kyushu Athletics Championships, Aug 21, 2026, 15.73 · 16 years old
Personal bests
WA points calculator →DisciplineResultAll-time
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2026 | 100mH | 15.73 | +0.2 | Aug 21, 2026 | 81st Kyushu Athletics Championships |
| 2026 | 400mH | 1:07.40 | – | May 4, 2026 | Fukuoka Athletics Championships |