| Name: | Duffy, Joseph |
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| Club: | |||
| Residence: | Roseville, CA | ||
| Year of birth: | 1998 | (Cat. german: M20) | |
| Date of birth: | 00.00.0000 | (Cat. internat.: M23) | |
| Nationality: | USA  |
United States | |
| RunnerID: | 1741974 | ||
4 search results (4 Events, 228.467 km). (More)
| 2025 | 1 Event, 50 km (More) | ||||
|---|---|---|---|---|---|
| 29.03.2025 | Rattlesnake Dick (USA) | 50km | |||
| 6:06:59 h | Duffy, Joseph | *Folsom, CA | Overall: 13 | M: 12 | Cat M23: 4 |
| 2024 | 1 Event, 80.467 km (More) | ||||
| 06.04.2024 | American River 50 Mile Endurance Run (USA) | 50mi | |||
| 12:41:46 h | Duffy, Joseph | *Roseville, CA | Overall: 207 | M: 153 | Cat M23: 36 |
| 2023 | 1 Event, 50 km (More) | ||||
| 28.01.2023 | Arches Ultra 50 km Race (USA) | 50km | |||
| 6:16:50 h | Duffy, Joseph | *Roseville, CA | Overall: 59 | M: 45 | Cat M23: 30 |
| 2022 | 1 Event, 48 km (More) | ||||
| 18.06.2022 | The Broken Arrow Skyrace (USA) | 48km | |||
| 7:42:41 h | Duffy, Joseph | *Roseville, CA | Overall: 202 | M: 147 | Cat M23: 75 |
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 | 2023 | 2022 |
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