Hiro Uchiumi

JapanJapanActive
Born
Oct 22, 2007 (19 years old)
Events
400 m

Hiro Uchiumi is a Japan sprinter, born on October 22, 2007. He competes primarily in the 200m, 400m and 4x400m.

His personal bests include 21.82 in the 200m, 48.63 in the 400m, 3:15.44 in the 4x400m and 34.06 in the 300m. He is currently active on the international athletics circuit, representing Japan.

Personal best · 400 m48.63
2026 season best49.08Aug 22, 2026 · Athletic Field, Kitakami
Last competitionThe 53rd Tohoku Athletics Championships, Azuma Stadium, FukushimaAug 22, 2026 · 49.25

As of Nov 13, 2026: 400 m 48.63, 2026 season best 49.08 (Aug 22, 2026, Athletic Field, Kitakami (JPN)) · Last competition: The 53rd Tohoku Athletics Championships, Azuma Stadium, Fukushima, Aug 22, 2026, 49.25 · 19 years old

DisciplineResultAll-time2026
200mFukushima 2024Japan 200 m all-time list21.82950 pts––
400mHiroshima 2025Japan 400 m all-time list48.63941 pts––
4x400mKitakami 2026Japan 4 × 400 m all-time list3:15.44––
300mRifu 202534.06979 pts–#330

Progression

FAQ

Frequently asked questions

Hiro Uchiumi's 400 m personal best is 48.63, set on Jul 25, 2025 in Prefectural Stadium, Hiroshima (JPN).

Hiro Uchiumi competes in the 400 m.

2026 season best: 49.08, set on Aug 22, 2026 in Athletic Field, Kitakami (JPN). Last competition: The 53rd Tohoku Athletics Championships, Azuma Stadium, Fukushima on Aug 22, 2026, 49.25.