Yuzuru Kojima

JapanJapanActive
Born
Jan 8, 2008 (18 years old)
Events
400 m · 300 Metres

Yuzuru Kojima is a Japan sprinter, born on January 8, 2008. He competes primarily in the 100m, 200m and 400m.

His personal bests include 11.06 in the 100m, 22.61 in the 200m, 46.50 in the 400m, 41.73 in the 4x100m and 3:05.38 in the 4x400m. He is currently active on the international athletics circuit, representing Japan.

Personal best · 400 m46.50
2026 season best46.50Jun 19, 2026 · Yanmar Stadium Nagai, Osaka
Personal best · 300 Metres33.92
Last competitionJapanese U20 Championships, Kusanagi Athletic Stadium, ShizuokaOct 3, 2026 · 47.36

As of Nov 13, 2026: 400 m 46.50, 300 Metres 33.92, 2026 season best 46.50 (Jun 19, 2026, Yanmar Stadium Nagai, Osaka (JPN)) · Last competition: Japanese U20 Championships, Kusanagi Athletic Stadium, Shizuoka, Oct 3, 2026, 47.36 · 18 years old

DisciplineResultAll-time2026
100mIchinomiya 2022Japan 100 m all-time list11.06*869 pts––
200mIchinomiya 2022Japan 200 m all-time list22.61844 pts––
400mOsaka 2026Japan 400 m all-time list46.501,078 pts–#720
4x100mFukuroi 2024Japan 4 × 100 m all-time list41.73––
4x400mOsaka 2026Japan 4 × 400 m all-time list3:05.38–#386
300mIse 202433.92991 pts––

* Wind-assisted (> 2.0 m/s)

Progression

SeasonDisciplineResultWindDateCompetitions
2026400m 46.50–Jun 19, 2026The 79th West-Japan Inter-Unversity Track& Field Championships
20264x400m 3:05.38–Jun 21, 2026The 79th West-Japan Inter-Unversity Track& Field Championships
2025400m 47.04–Jun 20, 202578th National High School Track and Field Championships Tokai District Qualifiers, Prefectural Stadium, Ise
2024300m 33.92–Oct 19, 202418th JAAF U18 Athletics Competition, Prefectural Stadium, Ise
20244x100m 41.73–Nov 2, 2024Ecopa Track Games, Prefectural Shizuoka Stadium, Fukuroi
2024400m 47.60–Oct 26, 2024Tokai High School Newcomer Championship
20244x400m 3:15.31–Nov 2, 2024Ecopa Track Games, Prefectural Shizuoka Stadium, Fukuroi
2022100m 11.06+2.2Oct 10, 2022Athletics Stadium, Ichinomiya (JPN)
FAQ

Frequently asked questions

Yuzuru Kojima's 400 m personal best is 46.50, set on Jun 19, 2026 in Yanmar Stadium Nagai, Osaka (JPN).

Yuzuru Kojima competes in the 400 m and 300 Metres.

2026 season best: 46.50, set on Jun 19, 2026 in Yanmar Stadium Nagai, Osaka (JPN). Last competition: Japanese U20 Championships, Kusanagi Athletic Stadium, Shizuoka on Oct 3, 2026, 47.36.