Koshiro Hirata
JapanActive- Born
- Jan 25, 1998 (28 years old)
- Events
- Marathon · Half Marathon
Koshiro Hirata is a Japan long-distance runner, born on January 25, 1998. He competes primarily in the 5000m, 10000m and Semi.
His personal bests include 14:09.30 in the 5000m, 29:09.32 in the 10000m, 1:02:56 in the Semi, 2:09:57 in the Marathon and 3:17.34 in the 4x400m. He is currently active on the international athletics circuit, representing Japan.
Personal best · Marathon2:09:57
2025 season best2:26:32Nov 16, 2025 · Kobe
Personal best · Half Marathon1:02:56
Last competitionKobe MarathonNov 16, 2025 · 2:26:32
As of Nov 13, 2026: Marathon 2:09:57, Half Marathon 1:02:56, 2025 season best 2:26:32 (Nov 16, 2025, Kobe (JPN)) · Last competition: Kobe Marathon, Nov 16, 2025, 2:26:32 · 28 years old
Personal bests
WA points calculator →DisciplineResultAll-time
20KilometrTokyo 20161:00:56–
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2025 | 4x400m | 3:17.34 | – | May 6, 2025 | The 102nd Kansai Inter University Track&Field Championships |
| 2025 | Semi | 1:05:39 | – | Oct 19, 2025 | Tokyo Legacy Half Marathon |
| 2025 | Marathon | 2:26:32 | – | Nov 16, 2025 | Kobe Marathon |
| 2024 | Semi | 1:03:59 | – | Feb 11, 2024 | 52nd Yamaguchi All-Corporate Half Marathon Championships |
| 2024 | Marathon | 2:14:17 | – | Feb 25, 2024 | Osaka Marathon |
| 2022 | 10000m | 29:15.61 | – | May 13, 2022 | Naruto Sports Park, Tokushima (JPN) |
| 2022 | Semi | 1:02:56 | – | Apr 24, 2022 | Gifu Half Marathon, Gifu |
| 2022 | Marathon | 2:09:57 | – | Feb 27, 2022 | The Combined 10th Osaka Marathon and 77th Lake Biwa Mainichi Marathon |