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| Name: | Ishihara, Kengo | 石原健吾 |
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| Club: | シガウマラ | ||
| Residence: | Shiga Pref. | ||
| Year of birth: | 1972 | (Cat. german: M50) | |
| Date of birth: | 18.08.1972 | (Cat. internat.: M50) | |
| Nationality: | JPN  |
Japan | |
| RunnerID: | 1668494 | ||
5 search results (5 Events, 710 km). (More)
| 2025 | 2 Events, 274 km (More) | ||||
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| 10.-12.10.2025 | Lake Biwa 100 (JPN) | 169km | |||
| 2d 01:16:19 h | Ishihara, Kengo | Overall: 206 | M: 149 | Cat M50: 33 | |
| 21.-22.06.2025 | Kaga Spa by UTMB - Kaga Spa Trail Endurance100 (JPN) | 105km | |||
| 24:23:30 h | Ishihara, Kengo | Shigahumara | Overall: 288 | M: 246 | Cat M50: 32 |
| 2022 | 2 Events, 336 km (More) | ||||
| 07.-09.10.2022 | Lake Biwa 100 (JPN) | 169km | |||
| 2d 00:43:53 h | Ishihara, Kengo | Overall: 125 | M: 110 | Cat M50: 21 | |
| 22.-24.04.2022 | Ultra-Trail Mt. Fuji (UTMF) (JPN) | 167km | |||
| 33:23:24 h | Ishihara, Kengo | シガウマラ | Overall: 476 | M: 423 | Cat M45: 106 |
| 2021 | 1 Event, 100 km (More) | ||||
| 06.-07.11.2021 | OSJ Kami 100 (JPN) | 100km | |||
| 19:16:16 h | Ishihara, Kengo | シガウマラ | Overall: 84 | M: 74 | Cat M45: 23 |
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 | 2022 | 2021 |
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Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2022 | 2021 | ||
|---|---|---|---|---|
| Lake Biwa 100 | 2 | 49:16:19 | 48:43:53 |