Rio Kobayashi

JapanJapan
Born
Jun 4, 2008 (18 years old)
Events
100 m hurdles

Rio Kobayashi is a Japan hurdler, born on June 4, 2008. She competes primarily in the 100mH and 100MetresH.

Her personal bests include 16.34 in the 100mH and 15.47 in the 100MetresH. She is currently active on the international athletics circuit, representing Japan.

Personal best · 100 m hurdles16.34
2025 season best16.34May 2, 2025 · Ijimino Park Athletics Stadium, Shibata
2025 season best
Last competition79th Niigata Pref ChampionshipsJul 21, 2025 · 15.47
79th Niigata Pref Championships

As of Nov 15, 2026: 100 m hurdles 16.34, 2025 season best 16.34 (May 2, 2025, Ijimino Park Athletics Stadium, Shibata (JPN)) · Last competition: 79th Niigata Pref Championships, Jul 21, 2025, 15.47 · 18 years old

Personal bests

WA points calculator →
DisciplineResultAll-time
100mHShibata 2025Japan 100 m hurdles all-time list16.34742 pts–
100MetresHNagaoka 202515.47–

Progression

SeasonDisciplineResultWindDateCompetitions
2025100MetresH 15.47-0.2Jul 21, 202579th Niigata Pref Championships
2025100mH 16.34-0.4May 2, 2025Niigata Kaetsu Sado area High School Meeting, Ijimino Park Athletics Stadium, Shibata
2024100MetresH 15.54+0.1Jul 14, 202478th Niigata Pref Championships
FAQ

Frequently asked questions

Rio Kobayashi's 100 m hurdles personal best is 16.34, set on May 2, 2025 in Ijimino Park Athletics Stadium, Shibata (JPN).

Rio Kobayashi competes in the 100 m hurdles.

2025 season best: 16.34, set on May 2, 2025 in Ijimino Park Athletics Stadium, Shibata (JPN). Last competition: 79th Niigata Pref Championships on Jul 21, 2025, 15.47.