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| Name: | Unterstein, Colby |
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| Club: | |||
| Residence: | Golden, CO | ||
| Year of birth: | 1998 | (Cat. german: M20) | |
| Date of birth: | 25.11.1998 | (Cat. internat.: M23) | |
| Nationality: | USA  |
United States | |
| RunnerID: | 2193467 | ||
2 search results (2 Events, 110 km). (More)
| 2025 | 1 Event, 60 km (More) | ||||
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| 25.07.2025 | Never Summer 60k (USA) | 60km | |||
| 9:20:02 h | Unterstein, Colby | *Golden, CO | Overall: 47 | M: 37 | Cat M23: 18 |
| 2024 | 1 Event, 50 km (More) | ||||
| 06.04.2024 | Mount Toby 50k Race (USA) | 50km | |||
| 6:43:28 h | Unterstein, Colby | Overall: 16 | M: 13 | Cat M23: 3 | |
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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