Kokoro Aiba

JapanJapanActive
Born
Jan 17, 2006 (20 years old)
Events
100 m hurdles · 300 Metres Hurdles

Kokoro Aiba is a Japan hurdler, born on January 17, 2006. She competes primarily in the 100mH, 400mH and 300MetresH.

Her personal bests include 14.41 in the 100mH, 1:05.72 in the 400mH and 44.52 in the 300MetresH. She is currently active on the international athletics circuit, representing Japan.

Personal best · 100 m hurdles14.41
2026 season best14.57Aug 22, 2026 · Kanseki Stadium, Utsunomiya
2026 season best
Personal best · 300 Metres Hurdles44.52
Last competitionThe 53rd Tohoku Athletics Championships, Azuma Stadium, FukushimaAug 22, 2026 · 14.57
The 53rd Tohoku Athletics Championships, Azuma Stadium, Fukushima

As of Nov 14, 2026: 100 m hurdles 14.41, 300 Metres Hurdles 44.52, 2026 season best 14.57 (Aug 22, 2026, Kanseki Stadium, Utsunomiya (JPN)) · Last competition: The 53rd Tohoku Athletics Championships, Azuma Stadium, Fukushima, Aug 22, 2026, 14.57 · 20 years old

Personal bests

WA points calculator →
DisciplineResultAll-time
100mHAkita 2024Japan 100 m hurdles all-time list14.41967 pts–
400mHTendo 2023Japan 400 m hurdles all-time list1:05.72862 pts–
300MetresHMatsuyama 202344.52–

Progression

SeasonDisciplineResultWindDateCompetitions
2026100mH 14.57+0.4Aug 22, 2026The 53rd Tohoku Athletics Championships, Azuma Stadium, Fukushima
2025100mH 14.49+1.3Jul 4, 202564th Akita Prefecture Track and Field Championships
2024100mH 14.41+0.1Aug 24, 202451st Tohoku Comprehensive Sports Meet Athletics, 54th Tohoku Athletics Championships, 108th Japan At
2023100mH 14.84-0.7Aug 26, 202350th Tohoku Games/54th Tohoku Athletics Championships, Athletic Field, Kitakami
2023300MetresH 44.52–Oct 20, 202317th JAAF U18 Athletics Competition
2023400mH 1:05.72–Jun 17, 202378th Tohoku Highschool Meeting, ND Soft Stadium, Tendo
2022100mH 15.39-0.6Sep 30, 2022ND Soft Stadium, Tendo (JPN)
FAQ

Frequently asked questions

Kokoro Aiba's 100 m hurdles personal best is 14.41, set on Aug 24, 2024 in Athletics Stadium, Akita (JPN).

Kokoro Aiba competes in the 100 m hurdles and 300 Metres Hurdles.

2026 season best: 14.57, set on Aug 22, 2026 in Kanseki Stadium, Utsunomiya (JPN). Last competition: The 53rd Tohoku Athletics Championships, Azuma Stadium, Fukushima on Aug 22, 2026, 14.57.