| Name: | Williamson, James |
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| Club: | |||
| Residence: | Gunnison, CO | ||
| Year of birth: | 1991 | (Cat. german: M35) | |
| Date of birth: | 00.00.0000 | (Cat. internat.: M23) | |
| Nationality: | USA ![]() |
United States | |
| RunnerID: | 1242842 | ||
13 search results (13 Events, 850.467 km). (More)
| 2025 | 1 Event, 50 km (More) | ||||
|---|---|---|---|---|---|
| 26.04.2025 | Royal Gorge Groove (USA) | 50km | |||
| 5:18:02 h | Williamson, James | *Littleton, CO | Overall: 11 | M: 11 | Cat M23: 7 |
| 2024 | 2 Events, 100 km (More) | ||||
| 07.09.2024 | Megunticook 50km Race (USA) | 50km | |||
| 6:20:47 h | Williamson, James | *Littleton, CO | Overall: 19 | M: 14 | Cat M23: 9 |
| 07.09.2024 | Devil on the Divide Ultra (USA) | 50km | |||
| 6:20:47 h | Williamson, James | *Littleton, CO | Overall: 19 | M: 14 | Cat M23: 9 |
| 2023 | 1 Event, 50 km (More) | ||||
| 26.08.2023 | Continental Divide Trail Run (USA) | 50km | |||
| 4:58:16 h | Williamson, James | *Gunnison, CO | Overall: 7 | M: 6 | Cat M23: 4 |
| 2022 | 1 Event, 50 km (More) | ||||
| 15.10.2022 | Sage Burner Trail Run (USA) | 50km | |||
| 4:35:52 h | Williamson, James | *Gunnison, CO | Overall: 1 | M: 1 | Cat M23: 1 |
| 2021 | 1 Event, 100 km (More) | ||||
| 31.07.2021 | Tushars 100km Mountain Runs (USA) | 100km | |||
| 16:24:06 h | Williamson, James | *Gunnison, CO | Overall: 13 | M: 12 | Cat M23: 9 |
| 2020 | 2 Events, 150 km (More) | ||||
| 25.-26.07.2020 | Never Summer 100k (USA) | 100km | |||
| 12:55:03 h | Williamson, James | *Gunnison, CO | Overall: 4 | M: 4 | Cat M23: 4 |
| 27.06.2020 | Bears Ears 50 km Ultra Race (USA) | 50km | |||
| 5:47:26 h | Williamson, James | *Gunnison, CO | Overall: 4 | M: 4 | Cat M23: 3 |
| 2019 | 4 Events, 300.467 km (More) | ||||
| 28.09.2019 | Crested Butte 105 km Ultra (USA) | 105km | |||
| 13:59:25 h | Williamson, James | *Gunnison, CO | Overall: 2 | M: 2 | Cat M23: 1 |
| 31.08.2019 | Grand Traverse Mountain Run (USA) | 65km | |||
| 6:54:10 h | Williamson, James | *Gunnison, CO | Overall: 10 | M: 10 | Cat M23: 5 |
| 13.07.2019 | Power of Four Trail Run (USA) | 50km | |||
| 6:42:55 h | Williamson, James | *Gunnison, CO | Overall: 13 | M: 11 | Cat M23: 9 |
| 11.05.2019 | Quad Rock 50 Mile (USA) | 50mi | |||
| 10:25:56 h | Williamson, James | *Gunnison, CO | Overall: 23 | M: 20 | Cat M23: 12 |
| 2018 | 1 Event, 50 km (More) | ||||
| 27.10.2018 | Sage Burner Trail Run (USA) | 50km | |||
| 4:33:47 h | Williamson, James | *Gunnison, CO | Overall: 9 | M: 9 | Cat M23: 6 |
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 | 2021 | 2020 | 2019 | 2018 |
|---|
Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | ||
|---|---|---|---|---|---|---|---|---|---|
| Sage Burner Trail Run | 2 | 4:35:52 | 4:33:47 |





