Seira Shimano

JapanJapanActive
Born
May 9, 2007 (19 years old)
Events
3000 m

Seira Shimano is a Japan middle-distance runner, born on May 9, 2007. She competes primarily in the 800m, 1500m and 3000m.

Her personal bests include 2:22.70 in the 800m, 4:48.80 in the 1500m and 9:46.68 in the 3000m. She is currently active on the international athletics circuit, representing Japan.

Personal best · 3000 m9:46.68
2026 season best9:43.17Jun 28, 2026
Last competition24th Nittaidai Challenge GamesJun 28, 2026 · 9:43.17

As of Nov 14, 2026: 3000 m 9:46.68, 2026 season best 9:43.17 (Jun 28, 2026) · Last competition: 24th Nittaidai Challenge Games, Jun 28, 2026, 9:43.17 · 19 years old

DisciplineResultAll-time2026
800mYamaguchi 2021Japan 800 m all-time list2:22.70792 pts––
1500mHiroshima 2021Japan 1500 m all-time list4:48.80846 pts––
3000mOkayama 2024Japan 3000 m all-time list9:46.68955 pts–#773

Progression

SeasonDisciplineResultWindDateCompetitions
20261500m 4:34.61–May 30, 2026Twolaps Middle Distance Circuit
20263000m 9:43.17–Jun 28, 202624th Nittaidai Challenge Games
20253000m 10:04.44–Jun 21, 2025The 78th Chugoku High School Track and Field Championships, Edion Stadium, Hiroshima
20243000m 9:46.68–Oct 6, 202433rd Chugoku High school Rookies' Athletics Championships
2021800m 2:22.70–Oct 17, 202118th Tajima Naoto Memorial, Ishin Me-Life Stadium, Yamaguchi
20211500m 4:48.80–Aug 21, 2021Municipal Stadium, Hiroshima (JPN)
FAQ

Frequently asked questions

Seira Shimano's 3000 m personal best is 9:46.68, set on Oct 6, 2024 in Prefectural Stadium, Okayama (JPN).

Seira Shimano competes in the 3000 m.

2026 season best: 9:43.17, set on Jun 28, 2026. Last competition: 24th Nittaidai Challenge Games on Jun 28, 2026, 9:43.17.