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| Name: | Do, Calvin |
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| Club: | |||
| Residence: | Cupertino, CA | ||
| Year of birth: | 1969 | (Cat. german: M55) | |
| Date of birth: | 00.00.0000 | (Cat. internat.: M55) | |
| Nationality: | USA  |
United States | |
| RunnerID: | 1240093 | ||
4 search results (4 Events, 200 km). (More)
| 2026 | 1 Event, 50 km (More) | ||||
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| 24.01.2026 | Golden Gate Trail Classic 50 km Race (USA) | 50km | |||
| 4:53:39 h | Do, Calvin | *Cupertino, CA | Overall: 6 | M: 6 | Cat M55: 1 |
| 2023 | 2 Events, 100 km (More) | ||||
| 16.07.2023 | Big Chief 50K Trail Run (USA) | 50km | |||
| 5:02:40 h | Do, Calvin | *Cupertino, CA | Overall: 5 | M: 4 | Cat M50: 2 |
| 13.05.2023 | Quicksilver 50 km Endurance Run (USA) | 50km | |||
| 4:35:53 h | Do, Calvin | *Cupertino, CA | Overall: 3 | M: 3 | Cat M50: 1 |
| 2019 | 1 Event, 50 km (More) | ||||
| 02.02.2019 | Fort Ord 50K Trail Run (USA) | 50km | |||
| 4:11:15 h | Do, Calvin | *Cupertino, CA | Overall: 2 | M: 2 | Cat M45: 1 |
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 | 2026 | 2023 | 2019 |
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