Kentaro Hirai

Kentaro Hirai

JapanJapanActive
Born
May 1, 1993 (33 years old)
Events
Half Marathon · 10 000 m

Kentaro Hirai is a Japan long-distance runner, born on May 1, 1993. He competes primarily in the 5000m, 10000m and Semi.

His personal bests include 14:00.13 in the 5000m, 28:36.72 in the 10000m, 1:02:30 in the Semi and 1:07:02 in the 20Kilometr. He is currently active on the international athletics circuit, representing Japan.

Personal best · Half Marathon1:02:30
2026 season best2:30:37May 10, 2026
2026 season best
Personal best · 10 000 m28:36.72
Last competitionGenerali Genève MarathonMay 10, 2026 · 2:30:37
Generali Genève Marathon

As of Nov 13, 2026: Half Marathon 1:02:30, 10 000 m 28:36.72, 2026 season best 2:30:37 (May 10, 2026) · Last competition: Generali Genève Marathon, May 10, 2026, 2:30:37 · 33 years old

Personal bests

WA points calculator →
DisciplineResultAll-time
5000mKitami 2015Japan 5000 m all-time list14:00.131,000 pts–
10000mKumagaya 2014Japan 10 000 m all-time list28:36.721,076 pts–
SemiTachikawa 2015Japan Half Marathon all-time list1:02:301,088 pts–
20KilometrGenève 20251:07:02–

Progression

SeasonDisciplineResultWindDateCompetitions
2026Marathon 2:30:37–May 10, 2026Generali Genève Marathon
202520Kilometr 1:07:02–Nov 2, 2025Balexert 20km de Genève
20155000m 14:00.13–Jul 12, 2015Kitami (JPN)
201510000m 29:04.57–Sep 11, 2015Osaka (JPN)
2015Semi 1:02:30–Mar 1, 2015Tachikawa (JPN)
20145000m 14:04.28–Oct 11, 2014Shizuoka (JPN)
201410000m 28:36.72–Sep 5, 2014Kumagaya (JPN)
2014Semi 1:04:29–Apr 22, 2014Osaka (JPN)
FAQ

Frequently asked questions

Kentaro Hirai's Half Marathon personal best is 1:02:30, set on Mar 1, 2015 in Tachikawa (JPN).

Kentaro Hirai competes in the Half Marathon and 10 000 m.

2026 season best: 2:30:37, set on May 10, 2026. Last competition: Generali Genève Marathon on May 10, 2026, 2:30:37.