Kei Harashima

Kei Harashima

Born
Oct 11, 1997 (29 years old)
Events
Half Marathon · 10 000 m

Kei Harashima is a Japan long-distance runner, born on October 11, 1997. He competes primarily in the 5000m, 10000m and Semi.

His personal bests include 14:13.33 in the 5000m, 29:20.94 in the 10000m, 1:04:27 in the Semi, 2:18:20 in the Marathon and 1:01:26 in the 20Kilometr. He is currently active on the international athletics circuit, representing Japan.

Personal best · Half Marathon1:04:27
2023 season best2:18:20Feb 5, 2023 · Beppu
Personal best · 10 000 m29:20.94
Last competitionBeppu-Oita Mainichi MarathonFeb 5, 2023 · 2:18:20

As of Nov 13, 2026: Half Marathon 1:04:27, 10 000 m 29:20.94, 2023 season best 2:18:20 (Feb 5, 2023, Beppu (JPN)) · Last competition: Beppu-Oita Mainichi Marathon, Feb 5, 2023, 2:18:20 · 29 years old

DisciplineResultAll-time
5000mYokohama 2021Japan 5000 m all-time list14:13.33956 pts–
10000mYokohama 2020Japan 10 000 m all-time list29:20.941,011 pts–
SemiTokyo 2018Japan Half Marathon all-time list1:04:271,014 pts–
MarathonBeppu 2023Japan Marathon all-time list2:18:20985 pts–
20KilometrTokyo 20171:01:26–

Progression

SeasonDisciplineResultWindDateCompetitions
2023Marathon 2:18:20–Feb 5, 2023Beppu-Oita Mainichi Marathon
20225000m 14:46.74–Sep 17, 2022Chukyo Univ. Stadium, Toyota (JPN)
202210000m 29:54.30–Nov 27, 2022NITTAIDAI Athletic Stadium, Yokohama (JPN)
2022Marathon 2:18:33–Feb 6, 2022Oita (JPN)
20215000m 14:13.33–Nov 14, 2021NITTAIDAI Athletic Stadium, Yokohama (JPN)
202110000m 29:42.86–Dec 4, 2021NITTAIDAI Athletic Stadium, Yokohama (JPN)
2021Semi 1:07:44–Feb 14, 2021Yamaguchi (JPN)
20205000m 14:30.09–Sep 26, 2020Chukyo Univ. Stadium, Toyota (JPN)
FAQ

Frequently asked questions

Kei Harashima's Half Marathon personal best is 1:04:27, set on Nov 11, 2018 in Setagaya, Tokyo (JPN).

Kei Harashima competes in the Half Marathon and 10 000 m.

2023 season best: 2:18:20, set on Feb 5, 2023 in Beppu (JPN). Last competition: Beppu-Oita Mainichi Marathon on Feb 5, 2023, 2:18:20.