Mayoko Asai

JapanJapanActive
Born
Oct 16, 2009 (17 years old)
Events
300 Metres Hurdles

Mayoko Asai is a Japan sprinter, born on October 16, 2009. She competes primarily in the 100m, 200m and 400m.

Her personal bests include 12.69 in the 100m, 26.48 in the 200m, 58.04 in the 400m, 1:00.98 in the 400mH and 43.11 in the 300MetresH. She is currently active on the international athletics circuit, representing Japan.

Personal best · 300 Metres Hurdles43.11
2026 season best12.68Oct 3, 2026 · Konoike Athletics Stadium, Nara
Last competitionDay 5, the 36th Nara City Athletics CircuitOct 3, 2026 · 12.68

As of Nov 14, 2026: 300 Metres Hurdles 43.11, 2026 season best 12.68 (Oct 3, 2026, Konoike Athletics Stadium, Nara (JPN)) · Last competition: Day 5, the 36th Nara City Athletics Circuit, Oct 3, 2026, 12.68 · 17 years old

DisciplineResultAll-time
100mNara 2026Japan 100 m all-time list12.69*859 pts–
200mHikone 2026Japan 200 m all-time list26.48811 pts–
400mHikone 2025Japan 400 m all-time list58.04904 pts–
400mHKyoto 2025Japan 400 m hurdles all-time list1:00.98993 pts–
300MetresHIse 202543.11–

* Wind-assisted (> 2.0 m/s)

Progression

SeasonDisciplineResultWindDateCompetitions
2026100m 12.68+0.5Oct 3, 2026Day 5, the 36th Nara City Athletics Circuit
2026200m 25.50+1.2Oct 3, 2026Day 5, the 36th Nara City Athletics Circuit
2026400mH 1:04.52–Sep 18, 2026Kinki High School Rookies' Meeting
2025100m 12.87+1.3Apr 20, 2025Day one, the 35th Nara City Athletics Circuit
2025300MetresH 43.11–Oct 17, 202519th JAAF U18 Athletics Competition, Prefectural Stadium, Ise
2025400m 58.04–May 29, 20252025 Shiga High School Championships, Athletic Stadium, Hikone
2025400mH 1:00.98–Jun 13, 202578th National High School Track and Field Championships Kinki Regional Qualifiers
FAQ

Frequently asked questions

Mayoko Asai's 300 Metres Hurdles personal best is 43.11, set on Oct 17, 2025 in Prefectural Stadium, Ise (JPN).

Mayoko Asai competes in the 300 Metres Hurdles.

2026 season best: 12.68, set on Oct 3, 2026 in Konoike Athletics Stadium, Nara (JPN). Last competition: Day 5, the 36th Nara City Athletics Circuit on Oct 3, 2026, 12.68.