Kyosuke KOBAYASHI

JapanJapanActive
Born
Jul 13, 2007 (19 years old)

Kyosuke KOBAYASHI is a Japan sprinter, born on July 13, 2007. He competes primarily in the 400m, 4x400m and 300m.

His personal bests include 50.39 in the 400m, 3:14.11 in the 4x400m and 36.01 in the 300m. He is currently active on the international athletics circuit, representing Japan.

2026 season best49.72Jul 18, 2026 · Athletic Field, Kitakami
Last competition99th Hokkaido Athletics ChampionshipsJul 18, 2026 · 49.72

As of Nov 13, 2026: 2026 season best 49.72 (Jul 18, 2026, Athletic Field, Kitakami (JPN)) · Last competition: 99th Hokkaido Athletics Championships, Jul 18, 2026, 49.72 · 19 years old

DisciplineResultAll-time
400mKitakami 2026Japan 400 m all-time list50.39835 pts–
4x400mKitakami 2026Japan 4 × 400 m all-time list3:14.11–
300mHakodate 202536.01821 pts–

Progression

SeasonDisciplineResultWindDateCompetitions
2026400m 49.72–Jul 18, 202699th Hokkaido Athletics Championships
20264x400m 3:14.11–Jun 21, 202648th All North-Japan Inter University Track and Field Championships
2025300m 36.01–Aug 10, 20252025 National Athletic Meet Hokkaido representative selection meeting