Keita Seguchi

Keita Seguchi

JapanJapanActive
Born
May 3, 1988 (38 years old)
Events
20 Kilometres Road · Marathon

Keita Seguchi is a Japan long-distance runner, born on May 3, 1988. He competes primarily in the 3000m, 10000m and Semi.

His personal bests include 8:44.43 in the 3000m, 29:22.28 in the 10000m, 1:05:11 in the Semi, 2:16:01 in the Marathon and 49:25 in the 10MilesRoa. He is currently active on the international athletics circuit, representing Japan.

Personal best · 20 Kilometres Road1:00:21
2026 season best1:08:42Apr 26, 2026 · Gifu
Personal best · Marathon2:16:01
Last competitionGifu Half MarathonApr 26, 2026 · 1:08:42

As of Nov 13, 2026: 20 Kilometres Road 1:00:21, Marathon 2:16:01, 2026 season best 1:08:42 (Apr 26, 2026, Gifu (JPN)) · Last competition: Gifu Half Marathon, Apr 26, 2026, 1:08:42 · 38 years old

DisciplineResultAll-time
3000mAmagasaki 2022Japan 3000 m all-time list8:44.43812 pts–
10000mYokohama 2010Japan 10 000 m all-time list29:22.281,009 pts–
SemiTokyo 2010Japan Half Marathon all-time list1:05:11987 pts–
MarathonTokyo 2023Japan Marathon all-time list2:16:011,024 pts–
10MilesRoaKaratsu 201249:25–
20KilometrTachikawa 20091:00:21–

Progression

SeasonDisciplineResultWindDateCompetitions
2026Semi 1:08:42–Apr 26, 2026Gifu Half Marathon
2026Marathon 2:37:47–Mar 1, 2026Tokyo Marathon
2025Semi 1:08:35–Jan 26, 2025Osaka Half Marathon
2025Marathon 2:22:04–Mar 2, 2025Tokyo Marathon
2024Marathon 2:27:26–Nov 17, 2024Kobe Marathon
2023Semi 1:06:38–Jan 29, 20232023 Osaka Half Marathon, Osaka Half Marathon Course, Osaka
2023Marathon 2:16:01–Mar 5, 2023Tokyo Marathon
20223000m 8:44.43–Jun 19, 2022Memorial Park Stadium, Amagasaki (JPN)
FAQ

Frequently asked questions

Keita Seguchi's 20 Kilometres Road personal best is 1:00:21, set on Oct 17, 2009 in Tachikawa (JPN).

Keita Seguchi competes in the 20 Kilometres Road and Marathon.

2026 season best: 1:08:42, set on Apr 26, 2026 in Gifu (JPN). Last competition: Gifu Half Marathon on Apr 26, 2026, 1:08:42.