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| Name: | Udkow, Jonathan |
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| Club: | |||
| Residence: | Oakland, CA | ||
| Year of birth: | 1981 | (Cat. german: M45) | |
| Date of birth: | 00.00.0000 | (Cat. internat.: M40) | |
| Nationality: | USA  |
United States | |
| RunnerID: | 2390850 | ||
5 search results (5 Events, 374.874 km). (More)
| 2026 | 1 Event, 80.467 km (More) | ||||
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| 07.02.2026 | Monterey Ultra (USA) | 50miles | |||
| 12:15:28 h | Udkow, Jonathan | *Oakland, CA | Overall: 107 | M: 75 | Cat M40: 10 |
| 2025 | 4 Events, 294.407 km (More) | ||||
| 29.11.2025 | Quad Dipsea Trail Run (USA) | 28.4mi | |||
| 6:38:23 h | Udkow, Jonathan | *Oakland, CA | Overall: 142 | M: 115 | Cat M40: 30 |
| 18.10.2025 | Lake Sonoma 100K & 50K (USA) | 100km | |||
| 15:38:35 h | Udkow, Jonathan | *Oakland, CA | Overall: 99 | M: 84 | Cat M40: 19 |
| 27.-28.07.2025 | The San Francisco Ultramarathon (USA) | 52.4mi | |||
| 9:00:00 h | Udkow, Jonathan | *Oakland, CA | Overall: 34 | M: 26 | Cat M40: 1 |
| 17.05.2025 | Napa Wilderness Trail Runs (USA) | 40mi | |||
| 9:32:23 h | Udkow, Jonathan | *Oakland, CA | Overall: 6 | M: 4 | Cat M40: 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 | 2025 |
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