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| Name: | Siferd, Jonna |
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| Residence: | Jenera, OH | ||
| Year of birth: | 1973 | (Cat. german: W50) | |
| Date of birth: | 00.00.0000 | (Cat. internat.: W50) | |
| Nationality: | USA  |
United States | |
| RunnerID: | 1164234 | ||
5 search results (5 Events, 260 km). (More)
| 2025 | 2 Events, 110 km (More) | ||||
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| 20.09.2025 | Bryce 60 km Trail Run (USA) | 60km | |||
| 10:21:15 h | Siferd, Jonna | Overall: 78 | F: 36 | Cat W50: 4 | |
| 06.09.2025 | Run Woodstock - Freak 50 km (USA) | 50km | |||
| 7:23:41 h | Siferd, Jonna | Overall: 94 | F: 32 | Cat W50: 2 | |
| 2019 | 1 Event, 50 km (More) | ||||
| 23.02.2019 | Olde Girdled Grit 50K (USA) | 50km | |||
| 6:18:41 h | Siferd, Jonna | *Jenera, OH | Overall: 37 | F: 6 | Cat W45: 2 |
| 2018 | 2 Events, 100 km (More) | ||||
| 13.10.2018 | Feral Hog 50K (USA) | 50km | |||
| 7:46:25 h | Siferd, Jonna | *Jenera, OH | Overall: 14 | F: 3 | Cat W40: 1 |
| 17.08.2018 | Marquette Trail 50 km (USA) | 50km | |||
| 6:47:32 h | Siferd, Jonna | *Jenera, OH | Overall: 45 | F: 10 | Cat W40: 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 | 2019 | 2018 |
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