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| Name: | Shirai, Naoki | 白井直樹 |
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| Club: | |||
| Residence: | Hokkaido | ||
| Year of birth: | (Cat. german: #NA) | ||
| Date of birth: | 00.00.0000 | (Cat. internat.: #NA) | |
| Nationality: | JPN  |
Japan | |
| RunnerID: | 2328266 | ||
3 search results (3 Events, 300 km). (More)
| 2025 | 2 Events, 200 km (More) | ||||
|---|---|---|---|---|---|
| 14.09.2025 | Tango 100 km Ultramarathon (JPN) | 100km | |||
| 13:42:18 h | Shirai, Naoki | Overall: 901 | M: 786 | Cat #NA: 0 | |
| 29.06.2025 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 12:33:35 h | Shirai, Naoki | Overall: 1412 | M: 1237 | Cat #NA: 0 | |
| 2024 | 1 Event, 100 km (More) | ||||
| 08.12.2024 | Tobishima Ultra Marathon (JPN) | 100km | |||
| 12:37:40 h | Shirai, Naoki | *Hokkaido | Overall: 111 | M: 100 | 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 | |
|---|---|---|---|
| 100km | 12:33:35 |
12:33:35
(4973/2118) |
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