Mayoko Asai
- 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
Personal bests
WA points calculator →DisciplineResultAll-time
300MetresHIse 202543.11–
* Wind-assisted (> 2.0 m/s)
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2026 | 100m | 12.68 | +0.5 | Oct 3, 2026 | Day 5, the 36th Nara City Athletics Circuit |
| 2026 | 200m | 25.50 | +1.2 | Oct 3, 2026 | Day 5, the 36th Nara City Athletics Circuit |
| 2026 | 400mH | 1:04.52 | – | Sep 18, 2026 | Kinki High School Rookies' Meeting |
| 2025 | 100m | 12.87 | +1.3 | Apr 20, 2025 | Day one, the 35th Nara City Athletics Circuit |
| 2025 | 300MetresH | 43.11 | – | Oct 17, 2025 | 19th JAAF U18 Athletics Competition, Prefectural Stadium, Ise |
| 2025 | 400m | 58.04 | – | May 29, 2025 | 2025 Shiga High School Championships, Athletic Stadium, Hikone |
| 2025 | 400mH | 1:00.98 | – | Jun 13, 2025 | 78th National High School Track and Field Championships Kinki Regional Qualifiers |