Seira Asai
JapanActive- Born
- May 21, 2006 (20 years old)
- Events
- 110 m hurdles
Seira Asai is a Japan sprinter, born on May 21, 2006. He competes primarily in the 100m, 400m and 1500m.
His personal bests include 11.23 in the 100m, 50.37 in the 400m, 4:33.17 in the 1500m, 13.82 in the 110mH and 40.98 in the 4x100m. He is currently active on the international athletics circuit, representing Japan.
Personal best · 110 m hurdles13.82
2026 season best13.70Apr 24, 2026
Last competitionYokohama Grand Prix ZeroOct 31, 2026 · 13.99
As of Nov 7, 2026: 110 m hurdles 13.82, 2026 season best 13.70 (Apr 24, 2026) · Last competition: Yokohama Grand Prix Zero, Oct 31, 2026, 13.99 · 20 years old
Personal bests
WA points calculator →DisciplineResultAll-time2026
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2026 | 110mH | 13.70 | +1.1 | Apr 24, 2026 | All Japan University Track & Field Challenge |
| 2025 | 60mH Indoor | 7.81 | – | Feb 1, 2025 | Japan Indoor Meet - U20 & U18 |
| 2025 | 60MetresHu Indoor | 7.81 | – | Feb 1, 2025 | Japan Indoor Meet - U20 & U18 |
| 2025 | 110mH | 13.82 | +1.1 | Sep 27, 2025 | The 36th Rookie Athletics Championships and Relay Competition, Gion Stadium, Sagamihara |
| 2024 | HJ | 1.70 | – | Jul 29, 2024 | 2024 Inter-High School Championships |
| 2024 | LJ | 6.75 | +0.0 | Jul 28, 2024 | 2024 Inter-High School Championships |
| 2024 | 60mH Indoor | 7.87 | – | Feb 3, 2024 | 2024 Japan Indoor Meet - U20 & U18 |
| 2024 | 60MetresHu Indoor | 7.87 | – | Feb 3, 2024 | 2024 Japan Indoor Meet - U20 & U18 |