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| Name: | Koiwa, Kenyu | 小岩健祐 |
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| Club: | |||
| Residence: | Iwate Pref. | ||
| Year of birth: | (Cat. german: #NA) | ||
| Date of birth: | 00.00.0000 | (Cat. internat.: #NA) | |
| Nationality: | JPN  |
Japan | |
| RunnerID: | 2408487 | ||
4 search results (4 Events, 269 km). (More)
| 2026 | 2 Events, 170 km (More) | ||||
|---|---|---|---|---|---|
| 09.-10.05.2026 | ICT 100km (JPN) | 100km | |||
| 21:22:08 h | Koiwa, Kenyu | *Iwate Pref. | Overall: 48 | M: 38 | Cat #NA: 0 |
| 25.-26.04.2026 | KAI 70k (JPN) | 70km | |||
| 13:16:39 h | Koiwa, Kenyu | Overall: 361 | M: 296 | Cat #NA: 0 | |
| 2025 | 2 Events, 99 km (More) | ||||
| 02.11.2025 | Sea Alps Trail Journey (JPN) | 49km | |||
| 7:06:11 h | Koiwa, Kenyu | Overall: 53 | M: 43 | Cat #NA: 0 | |
| 20.04.2025 | Yamadera Zao 50 Km Ultra Marathon (JPN) | 50km | |||
| 6:04:41 h | Koiwa, Kenyu | Overall: 25 | M: 20 | Cat #NA: 0 | |
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 | 2026 | 2025 |
|---|