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| Name: | Kerfeld, Douglas |
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| Residence: | MN | ||
| Year of birth: | 1984 | (Cat. german: M40) | |
| Date of birth: | 00.00.0000 | (Cat. internat.: M40) | |
| Nationality: | USA  |
United States | |
| RunnerID: | 239763 | ||
6 search results (6 Events, 304.717 km). (More)
| 2023 | 1 Event, 54.717 km (More) | ||||
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| 08.04.2023 | Zumbro 34 Mile Endurance Run (USA) | 34mi | |||
| 7:31:44 h | Kerfeld, Douglas | Overall: 16 | M: 13 | Cat M35: 4 | |
| 2020 | 1 Event, 50 km (More) | ||||
| 17.10.2020 | Wild Duluth 50 km Races (USA) | 50km | |||
| 7:49:39 h | Kerfeld, Douglas | *Hermantown, MN | Overall: 100 | M: 81 | Cat M35: 21 |
| 2019 | 1 Event, 50 km (More) | ||||
| 19.10.2019 | Wild Duluth 50 km Races (USA) | 50km | |||
| 6:54:50 h | Kerfeld, Douglas | *Hermantown, MN | Overall: 53 | M: 41 | Cat M23: 25 |
| 2015 | 1 Event, 50 km (More) | ||||
| 17.10.2015 | Wild Duluth 50 km Races (USA) | 50km | |||
| 6:57:00 h | Kerfeld, Douglas | Overall: 37 | M: 30 | Cat M23: 17 | |
| 2013 | 1 Event, 50 km (More) | ||||
| 19.10.2013 | Wild Duluth 50 km Races (USA) | 50km | |||
| 6:31:15 h | Kerfeld, Douglas | Overall: 35 | M: 27 | Cat M23: 15 | |
| 2011 | 1 Event, 50 km (More) | ||||
| 15.10.2011 | Wild Duluth 50 km Races (USA) | 50km | |||
| 6:31:49 h | Kerfeld, Douglas | *MN | Overall: 33 | M: 23 | Cat M23: 15 |
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 | 2023 | 2020 | 2019 | 2015 | 2013 | 2011 |
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Comparison table
Comparison of performances in races with multiple participations
| 2023 | 2020 | 2019 | 2015 | 2013 | 2011 | ||
|---|---|---|---|---|---|---|---|
| Wild Duluth 50 km Races | 5 | 7:49:39 | 6:54:50 | 6:57:00 | 6:31:15 | 6:31:49 |