Seira Shimamura

Seira Shimamura

JapanJapanActive
Born
May 4, 2003 (23 years old)
Events
100 m hurdles · 300 Metres

Seira Shimamura is a Japan sprinter, born on May 4, 2003. She competes primarily in the 100m, 200m and 100mH.

Her personal bests include 12.53 in the 100m, 26.50 in the 200m, 14.30 in the 100mH, 48.37 in the 4x100m and 41.05 in the 300m. She is currently active on the international athletics circuit, representing Japan.

Personal best · 100 m hurdles14.30
2026 season best14.15Aug 8, 2026 · Yanmar Stadium Nagai, Osaka
2026 season best
Personal best · 300 Metres41.05
Last competition95th Japan Inter-University Athletics ChampionshipsSep 5, 2026 · 14.23
95th Japan Inter-University Athletics Championships

As of Nov 14, 2026: 100 m hurdles 14.30, 300 Metres 41.05, 2026 season best 14.15 (Aug 8, 2026, Yanmar Stadium Nagai, Osaka (JPN)) · Last competition: 95th Japan Inter-University Athletics Championships, Sep 5, 2026, 14.23 · 23 years old

Personal bests

WA points calculator →
DisciplineResultAll-time
100mKochi 2019Japan 100 m all-time list12.53*889 pts–
200mKochi 2020Japan 200 m all-time list26.50809 pts–
100mHMatsuyama 2024Japan 100 m hurdles all-time list14.30981 pts–
4x100mSagamihara 2024Japan 4 × 100 m all-time list48.37–
300mKochi 202141.05904 pts–
100MetresHHitachinaka 201913.95–

* Wind-assisted (> 2.0 m/s)

Progression

SeasonDisciplineResultWindDateCompetitions
2026100m 13.04+3.1Mar 7, 2026Spring Track and Field Meet
2026100mH 14.15+1.3Aug 8, 20261st ICAAK Athletics Games
2025100mH 14.83-0.7Aug 23, 202573rd Shikoku Athletics Championships
2024100mH 14.30+1.8Aug 24, 202472nd Shikoku Championships, Ehime Athletics Stadium, Matsuyama
20244x100m 48.37–Sep 28, 202435th Kanto University Rookies Athletics Championships
2023100mH 15.79+0.6Sep 22, 202334th Kanto University Rookies Athletics Championships, Gion Stadium, Sagamihara
2022100m 12.94+2.2Mar 21, 2022Tokyo Women's College of PE, Kunitachi (JPN)
2022100mH 14.82+1.9Aug 11, 2022Tokyo Women's College of PE, Kunitachi (JPN)
FAQ

Frequently asked questions

Seira Shimamura's 100 m hurdles personal best is 14.30, set on Aug 24, 2024 in Ehime Athletics Stadium, Matsuyama (JPN).

Seira Shimamura competes in the 100 m hurdles and 300 Metres.

2026 season best: 14.15, set on Aug 8, 2026 in Yanmar Stadium Nagai, Osaka (JPN). Last competition: 95th Japan Inter-University Athletics Championships on Sep 5, 2026, 14.23.