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| Name: | Birkhofer, John |
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| Residence: | Jersey City, NJ | ||
| Year of birth: | 1980 | (Cat. german: M45) | |
| Date of birth: | 00.00.0000 | (Cat. internat.: M45) | |
| Nationality: | USA  |
United States | |
| RunnerID: | 1245610 | ||
3 search results (3 Events, 220.934 km). (More)
| 2021 | 1 Event, 80.467 km (More) | ||||
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| 25.09.2021 | Rock The Ridge 50-Mile Endurance Challenge (USA) | 50mi | |||
| 10:44:44 h | Birkhofer, John | Overall: 85 | M: 64 | Cat M40: 13 | |
| 2019 | 1 Event, 80.467 km (More) | ||||
| 04.05.2019 | Rock The Ridge 50-Mile Endurance Challenge (USA) | 50mi | |||
| 11:51:37 h | Birkhofer, John | Overall: 140 | M: 88 | Cat M35: 14 | |
| 2018 | 1 Event, 60 km (More) | ||||
| 17.11.2018 | NYRR Knickerbocker 60K (USA) | 60km | |||
| 8:15:58 h | Birkhofer, John | *Jersey City, NJ | Overall: 303 | M: 219 | Cat M35: 41 |
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 | 2021 | 2019 | 2018 |
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Comparison table
Comparison of performances in races with multiple participations
| 2021 | 2019 | 2018 | ||
|---|---|---|---|---|
| Rock The Ridge 50-Mile Endurance Challenge | 2 | 10:44:44 | 11:51:37 |