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| Name: | Koishihara, Yuko | 小石原裕子 |
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| Club: | |||
| Residence: | |||
| Year of birth: | (Cat. german: #NA) | ||
| Date of birth: | 00.00.0000 | (Cat. internat.: #NA) | |
| Nationality: | JPN  |
Japan | |
| RunnerID: | 1702970 | ||
3 search results (3 Events, 212 km). (More)
| 2024 | 1 Event, 100 km (More) | ||||
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| 14.-15.12.2024 | Okinawa Churaumi Ultra Walking (JPN) | 100km | |||
| 22:49:19 h | Koishihara, Yuko | Overall: 51 | F: 9 | Cat #NA: 0 | |
| 2023 | 1 Event, 50 km (More) | ||||
| 17.12.2023 | Okinawa 50km Ultramarathon (JPN) | 50km | |||
| 7:33:41 h | Koishihara, Yuko | Overall: 122 | F: 44 | Cat #NA: 0 | |
| 2022 | 1 Event, 62 km (More) | ||||
| 17.04.2022 | Fuji 5 Lakes 62 km Challenge (JPN) | 62km | |||
| 9:59:34 h | Koishihara, Yuko | Overall: 841 | F: 249 | 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 | 2024 | 2023 | 2022 | |
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| 50km | 7:33:41 |
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7:33:41
(4986/136) |
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