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| Name: | Shirai, Kouzou | 白井康三 |
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| Club: | |||
| Residence: | Aichi Pref. | ||
| Year of birth: | (Cat. german: #NA) | ||
| Date of birth: | 00.00.0000 | (Cat. internat.: #NA) | |
| Nationality: | JPN  |
Japan | |
| RunnerID: | 2111304 | ||
4 search results (4 Events, 261 km). (More)
| 2025 | 2 Events, 151 km (More) | ||||
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| 08.06.2025 | Hida Takayama 71 km Ultramarathon (JPN) | 71km | |||
| 9:47:57 h | Shirai, Kouzou | Overall: 497 | M: 353 | Cat #NA: 0 | |
| 20.04.2025 | Fuji 4 Lakes 80 km Challenge (JPN) | 80km | |||
| 11:13:18 h | Shirai, Kouzou | Overall: 197 | M: 144 | Cat #NA: 0 | |
| 2024 | 1 Event, 62 km (More) | ||||
| 21.04.2024 | Fuji 3 Lakes 62 km Challenge (JPN) | 62km | |||
| 8:44:12 h | Shirai, Kouzou | *Aichi Pref. | Overall: 612 | M: 435 | Cat #NA: 0 |
| 2023 | 1 Event, 48 km (More) | ||||
| 27.05.2023 | Lake Suwa Ultra Marathon - 48 km (JPN) | 48km | |||
| 6:27:36 h | Shirai, Kouzou | Overall: 34 | M: 29 | 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 | 2025 | 2024 | 2023 |
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Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2024 | 2023 | ||
|---|---|---|---|---|
| Fuji 3 Lakes 62 km Challenge | 2 | 11:13:18 | 8:44:12 |