Junpei Kuroki

JapanJapan
Born
Jul 24, 2008 (18 years old)
Events
400 m

Junpei Kuroki is a Japan sprinter, born on July 24, 2008. He competes primarily in the 100m, 200m and 400m.

His personal bests include 11.18 in the 100m, 22.53 in the 200m, 48.22 in the 400m and 34.53 in the 300m. He is currently active on the international athletics circuit, representing Japan.

Personal best · 400 m48.22
2025 season best48.22Jun 13, 2025 · Sunrise Park, Saga
2025 season best
Last competitionAll Kyushu High School Rookies' Meeting, Prefectural Stadium, OkinawaOct 10, 2025 · 48.88
All Kyushu High School Rookies' Meeting, Prefectural Stadium, Okinawa

As of Nov 13, 2026: 400 m 48.22, 2025 season best 48.22 (Jun 13, 2025, Sunrise Park, Saga (JPN)) · Last competition: All Kyushu High School Rookies' Meeting, Prefectural Stadium, Okinawa, Oct 10, 2025, 48.88 · 18 years old

Personal bests

WA points calculator →
DisciplineResultAll-time
100mOita 2025Japan 100 m all-time list11.18834 pts–
200mIsahaya 2025Japan 200 m all-time list22.53854 pts–
400mSaga 2025Japan 400 m all-time list48.22967 pts–
300mOita 202534.53940 pts–

Progression

SeasonDisciplineResultWindDateCompetitions
2025100m 11.18+0.2Aug 23, 2025The 80th Kyusyu Athletics Championships, Showa Denko Stadium, Oita
2025200m 22.53+0.2May 18, 2025Nagasaki Athletics Championships
2025300m 34.53–Aug 22, 2025The 80th Kyusyu Athletics Championships, Showa Denko Stadium, Oita
2025400m 48.22–Jun 13, 2025The 78th National High School Track and Field Championships Kitakyushu Regional Qualifiers
FAQ

Frequently asked questions

Junpei Kuroki's 400 m personal best is 48.22, set on Jun 13, 2025 in Sunrise Park, Saga (JPN).

Junpei Kuroki competes in the 400 m.

2025 season best: 48.22, set on Jun 13, 2025 in Sunrise Park, Saga (JPN). Last competition: All Kyushu High School Rookies' Meeting, Prefectural Stadium, Okinawa on Oct 10, 2025, 48.88.