Kazuma Kubo

Kazuma Kubo

JapanJapanActive
Born
Dec 9, 1996 (29 years old)
Events
Marathon · Half Marathon

Kazuma Kubo is a Japan long-distance runner, born on December 9, 1996. He competes primarily in the 5000m, 10000m and Semi.

His personal bests include 14:04.68 in the 5000m, 28:49.71 in the 10000m, 1:02:25 in the Semi, 2:08:48 in the Marathon and 50:37 in the 10MilesRoa. He is currently active on the international athletics circuit, representing Japan.

Personal best · Marathon2:08:48
2026 season best14:12.92May 4, 2026 · Nishishina Athletic Stadium, Nobeoka
2026 season best
Personal best · Half Marathon1:02:25
Last competition37th Golden Games in NobeokaMay 4, 2026 · 14:12.92
37th Golden Games in Nobeoka

As of Nov 7, 2026: Marathon 2:08:48, Half Marathon 1:02:25, 2026 season best 14:12.92 (May 4, 2026, Nishishina Athletic Stadium, Nobeoka (JPN)) · Last competition: 37th Golden Games in Nobeoka, May 4, 2026, 14:12.92 · 29 years old

Personal bests

WA points calculator →
DisciplineResultAll-time2026
5000mNobeoka 2022Japan 5000 m all-time list14:04.68985 pts––
10000mYokohama 2022Japan 10 000 m all-time list28:49.711,057 pts––
SemiYamaguchi 2024Japan Half Marathon all-time list1:02:251,091 pts–#653
MarathonTokyo 2022Japan Marathon all-time list2:08:481,152 pts––
10MilesRoaKosa 201950:37––
20KilometrTachikawa 20171:00:21––

Progression

Compare me
SeasonDisciplineResultWindDateCompetitions
20265000m 14:12.92–May 4, 202637th Golden Games in Nobeoka
2026Semi 1:02:27–Jan 25, 2026Osaka Half Marathon
2025Marathon 2:11:31–Feb 24, 2025Osaka Marathon, Osaka
20245000m 14:07.24–May 4, 202435th Golden Games in Nobeoka
202410000m 29:51.86–May 18, 202467th Kyushu Corporate Athletics Championships
202410MilesRoa 50:39–Dec 1, 2024Kumamoto Kosa 10 mile Road Race
2024Semi 1:02:25–Feb 11, 202452nd Yamaguchi All-Corporate Half Marathon Championships
20235000m 14:43.41–May 4, 202334th Golden Games
Compare me with Kazuma Kubo
FAQ

Frequently asked questions

Kazuma Kubo's Marathon personal best is 2:08:48, set on Mar 6, 2022 in Tokyo (JPN).

Kazuma Kubo competes in the Marathon and Half Marathon.

2026 season best: 14:12.92, set on May 4, 2026 in Nishishina Athletic Stadium, Nobeoka (JPN). Last competition: 37th Golden Games in Nobeoka on May 4, 2026, 14:12.92.