| Name: | Kojima, Seiya | 小島誠也 |
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| Club: | |||
| Residence: | Tokyo Pref. | ||
| Year of birth: | 1990 | (Cat. german: M35) | |
| Date of birth: | 00.00.0000 | (Cat. internat.: M35) | |
| Nationality: | JPN ![]() |
Japan | |
| RunnerID: | 1301016 | ||
11 search results (11 Events, 928.5 km). (More)
| 2025 | 5 Events, 453.5 km (More) | ||||
|---|---|---|---|---|---|
| 12.-13.10.2025 | Hasetsune Cup - Japan Mountain Endurance Race (JPN) | 71.5km | |||
| 18:33:27 h | Kojima, Seiya | Overall: 672 | M: 609 | Cat M23: 60 | |
| 28.08.2025 | Orsières-Champex-Chamonix (OCC) (SUI) | 57km | |||
| 11:14:31 h | Kojima, Seiya | Overall: 960 | M: 680 | Cat M23: 227 | |
| 20.07.2025 | OSJ Ontake 100km Ultra Trail (JPN) | 100km | |||
| 16:38:29 h | Kojima, Seiya | *Saitama Pref. | Overall: 614 | M: 526 | Cat M23: 36 |
| 20.04.2025 | Fuji 3 Lakes 62 km Challenge (JPN) | 62km | |||
| 10:40:58 h | Kojima, Seiya | Overall: 796 | M: 481 | Cat M23: 9 | |
| 15.-16.02.2025 | Tarawera 100 Mile Endurance Run (NZL) | 163km | |||
| 32:43:05 h | Kojima, Seiya | Overall: 272 | M: 205 | Cat M23: 60 | |
| 2024 | 3 Events, 271.5 km (More) | ||||
| 09.-10.11.2024 | TransLantau 100 by UTMB (HKG) | 100km | |||
| 25:59:45 h | Kojima, Seiya | Overall: 241 | M: 196 | Cat M23: 52 | |
| 13.-14.10.2024 | Hasetsune Cup - Japan Mountain Endurance Race (JPN) | 71.5km | |||
| 18:40:43 h | Kojima, Seiya | Overall: 981 | M: 883 | Cat M23: 68 | |
| 08.-09.06.2024 | Okushinano 100 (JPN) | 100km | |||
| 18:23:02 h | Kojima, Seiya | *Kanagawa Pref. | Overall: 303 | M: 268 | Cat M23: 26 |
| 2023 | 2 Events, 143.5 km (More) | ||||
| 17.12.2023 | Coast to Coast Boso hanto (JPN) | 72km | |||
| 10:34:08 h | Kojima, Seiya | Overall: 190 | M: 168 | Cat M23: 25 | |
| 08.-09.10.2023 | Hasetsune Cup - Japan Mountain Endurance Race (JPN) | 71.5km | |||
| 19:35:26 h | Kojima, Seiya | Overall: 1154 | M: 1018 | Cat M23: 103 | |
| 2019 | 1 Event, 60 km (More) | ||||
| 12.05.2019 | Ishigaki Island Ultra Marathon (JPN) | 60km | |||
| 9:29:34 h | Kojima, Seiya | *Tokyo Pref. | Overall: 223 | M: 170 | Cat M23: 7 |
Personal bests
Your list of personal best performances only contains performances of races which can be included into rankings.
In brackets rank in yearly international/national rankings.
| PB | 2025 | 2024 | 2023 | 2019 |
|---|
Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2024 | 2023 | 2019 | ||
|---|---|---|---|---|---|
| Hasetsune Cup - Japan Mountain Endurance Race | 3 | 18:33:27 | 18:40:43 | 19:35:26 |





