Kenshin Sumida

JapanJapan
Born
Jul 10, 2008 (18 years old)
Events
400 m

Kenshin Sumida is a Japan sprinter, born on July 10, 2008. He competes primarily in the 400m, 4x400m and 300m.

His personal bests include 48.46 in the 400m, 3:17.73 in the 4x400m and 34.32 in the 300m. He is currently active on the international athletics circuit, representing Japan.

Personal best · 400 m48.46
2025 season best48.46Sep 20, 2025 · Kimiidera Park Athletic Field, Wakayama
2025 season best
Last competition19th JAAF U18 Athletics Competition, Prefectural Stadium, IseOct 19, 2025 · 34.32
19th JAAF U18 Athletics Competition, Prefectural Stadium, Ise

As of Nov 13, 2026: 400 m 48.46, 2025 season best 48.46 (Sep 20, 2025, Kimiidera Park Athletic Field, Wakayama (JPN)) · Last competition: 19th JAAF U18 Athletics Competition, Prefectural Stadium, Ise, Oct 19, 2025, 34.32 · 18 years old

Personal bests

WA points calculator →
DisciplineResultAll-time
400mWakayama 2025Japan 400 m all-time list48.46952 pts–
4x400mOsaka 2024Japan 4 × 400 m all-time list3:17.73–
300mIse 202534.32958 pts–

Progression

SeasonDisciplineResultWindDateCompetitions
2025300m 34.32–Oct 19, 202519th JAAF U18 Athletics Competition, Prefectural Stadium, Ise
2025400m 48.46–Sep 20, 202558th Kinki High School Rookies' Championships
2024400m 48.83–Sep 14, 2024Kinki High School Rookies' Championships
20244x400m 3:17.73–May 26, 202477th Osaka Inter High School Athletics Championship, Nagai Stadium No. 2, Osaka
FAQ

Frequently asked questions

Kenshin Sumida's 400 m personal best is 48.46, set on Sep 20, 2025 in Kimiidera Park Athletic Field, Wakayama (JPN).

Kenshin Sumida competes in the 400 m.

2025 season best: 48.46, set on Sep 20, 2025 in Kimiidera Park Athletic Field, Wakayama (JPN). Last competition: 19th JAAF U18 Athletics Competition, Prefectural Stadium, Ise on Oct 19, 2025, 34.32.