Runa Koike

JapanJapanActive
Born
Sep 29, 2005 (21 years old)
Events
400 m hurdles

Runa Koike is a Japan middle-distance runner, born on September 29, 2005. She competes primarily in the 800m and 400mH.

Her personal bests include 2:15.46 in the 800m and 1:04.96 in the 400mH. She ranks 1462nd all-time in the 400mH for Japan. She is currently active on the international athletics circuit, representing Japan.

Personal best · 400 m hurdles1:04.96
#1462 in Japan
2026 season best1:08.00Mar 17, 2026 · Fujisawa
2026 season best
Last competitionSpring Challenge MeetMar 17, 2026 · 1:08.00
Spring Challenge Meet

As of Nov 14, 2026: 400 m hurdles 1:04.96, 2026 season best 1:08.00 (Mar 17, 2026, Fujisawa (JPN)) · Last competition: Spring Challenge Meet, Mar 17, 2026, 1:08.00 · 21 years old

Personal bests

WA points calculator →
DisciplineResultAll-time
800mKofu 2023Japan 800 m all-time list2:15.46903 pts–
400mHKofu 2023Japan 400 m hurdles all-time list1:04.96882 pts–

Progression

SeasonDisciplineResultWindDateCompetitions
2026400mH 1:08.00–Mar 17, 2026Spring Challenge Meet
2024400mH 1:07.66–Jul 20, 2024The 4th Nihon University Competition
2024800m 2:21.25–May 11, 2024The 103th Kanto Inter-University Track＆Field Championships, National Stadium, Tokyo
2023400mH 1:04.96–Jun 17, 2023Minami Kanto High school Meeting, JIT Recycled Ink Stadium, Kofu
2023800m 2:15.46–Jun 18, 2023Minami Kanto High school Meeting, JIT Recycled Ink Stadium, Kofu
2021800m 2:17.08–Jun 20, 2021Todoroki Stadium, Kawasaki (JPN)
FAQ

Frequently asked questions

Runa Koike's 400 m hurdles personal best is 1:04.96, set on Jun 17, 2023 in JIT Recycled Ink Stadium, Kofu (JPN).

Runa Koike competes in the 400 m hurdles.

2026 season best: 1:08.00, set on Mar 17, 2026 in Fujisawa (JPN). Last competition: Spring Challenge Meet on Mar 17, 2026, 1:08.00.