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| Name: | van Haersma Buma, Sietse |
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| Residence: | |||
| Year of birth: | 1992 | (Cat. german: M30) | |
| Date of birth: | 07.10.1992 | (Cat. internat.: M23) | |
| Nationality: | NED  |
Netherlands | |
| RunnerID: | 2191397 | ||
2 search results (2 Events, 150.59 km). (More)
| 2025 | 1 Event, 100.59 km (More) | ||||
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| 18.10.2025 | Dutch Backyard Ultra (NED) | 36h | |||
| 100.590 km | van Haersma Buma, Sietse | Overall: 82 | M: 67 | Cat M23: 26 | |
| 2024 | 1 Event, 50 km (More) | ||||
| 20.05.2024 | Trail Alsace Grand Est by UTMB - Trail des Celtes (FRA) | 50km | |||
| 7:54:04 h | van Haersma Buma, Sietse | Overall: 1328 | M: 1130 | Cat M23: 479 | |
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 |
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