| Name: | Duncan, Jacob |
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| Club: | |||
| Residence: | Westminster, CO | ||
| Year of birth: | 1976 | (Cat. german: M50) | |
| Date of birth: | 26.07.1976 | (Cat. internat.: M45) | |
| Nationality: | USA ![]() |
United States | |
| RunnerID: | 574030 | ||
15 search results (15 Events, 1301.501 km). (More)
| 2025 | 1 Event, 50 km (More) | ||||
|---|---|---|---|---|---|
| 03.05.2025 | Greenland Trail Race (USA) | 50km | |||
| 5:50:17 h | Duncan, Jacob | *Broomfield, CO | Overall: 29 | M: 23 | Cat M45: 4 |
| 2023 | 1 Event, 58.58 km (More) | ||||
| 30.06.-01.07.2023 | Chase the Moon 12 Hour Endurance Run (USA) | 12h | |||
| 58.580 km | Duncan, Jacob | *Westminster, CO | Overall: 63 | M: 38 | Cat M45: 5 |
| 2022 | 3 Events, 307.705 km (More) | ||||
| 29.-30.10.2022 | Javelina Jundred 100 Mile Endurance Run (USA) | 100mi | |||
| 28:48:13 h | Duncan, Jacob | *Westminster, CO | Overall: 357 | M: 224 | Cat M45: 30 |
| 24.09.2022 | The Bear Chase 50 Mile (USA) | 50mi | |||
| 13:07:49 h | Duncan, Jacob | *Westminster, CO | Overall: 31 | M: 22 | Cat M45: 6 |
| 15.-16.07.2022 | Chase the Moon 12 Hour Endurance Run (USA) | 12h | |||
| 66.304 km | Duncan, Jacob | *Westminster, CO | Overall: 39 | M: 19 | Cat M45: 7 |
| 2019 | 2 Events, 210.934 km (More) | ||||
| 13.-14.09.2019 | Run Rabbit Run 100 Mile UltraMarathon - Tortoises Run (USA) | 100mi | |||
| 29:51:00 h | Duncan, Jacob | *Westminster, CO | Overall: 55 | M: 51 | Cat M40: 17 |
| 01.06.2019 | Golden Gate Dirty 30 (USA) | 50km | |||
| 7:14:14 h | Duncan, Jacob | *Westminster, CO | Overall: 96 | M: 79 | Cat M40: 13 |
| 2018 | 2 Events, 243.815 km (More) | ||||
| 27.-28.07.2018 | Chase the Moon 12 Hour Endurance Run (USA) | 12h | |||
| 82.881 km | Duncan, Jacob | *Westminster, CO | Overall: 8 | M: 7 | Cat M40: 1 |
| 03.-04.02.2018 | Rocky Raccoon 100 Mile Trail Run (USA) | 100mi | |||
| 23:41:25 h | Duncan, Jacob | *Westminster, CO | Overall: 67 | M: 60 | Cat M40: 12 |
| 2017 | 1 Event, 100 km (More) | ||||
| 30.09.-01.10.2017 | The Bear Chase 100 km (USA) | 100km | |||
| 12:04:08 h | Duncan, Jacob | *Westminster | Overall: 7 | M: 7 | Cat M40: 2 |
| 2015 | 3 Events, 230.467 km (More) | ||||
| 27.09.2015 | The Bear Chase 100 km (USA) | 100km | |||
| 12:15:34 h | Duncan, Jacob | *Westminster, CO | Overall: 7 | M: 7 | Cat M35: 3 |
| 05.09.2015 | Hideaway 50 Km Trail Run (USA) | 50km | |||
| 6:32:00 h | Duncan, Jacob | *Westminster, CO | Overall: 11 | M: 10 | Cat M35: 4 |
| 25.04.2015 | Salt Flats 50 Mile (USA) | 50mi | |||
| 8:24:32 h | Duncan, Jacob | *Westminster, CO | Overall: 6 | M: 6 | Cat M35: 3 |
| 2014 | 1 Event, 50 km (More) | ||||
| 23.08.2014 | Lean Horse Ultra-Marathon 50 km (USA) | 50km | |||
| 4:50:56 h | Duncan, Jacob | *Westminster, CO | Overall: 4 | M: 4 | Cat M35: 2 |
| 2013 | 1 Event, 50 km (More) | ||||
| 12.10.2013 | Market to Market 50 (USA) | 50km | |||
| 4:57:45 h | Duncan, Jacob | *Westminster, CO | Overall: 48 | M: 39 | Cat M35: 7 |
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 | 2023 | 2022 | 2019 | 2018 | 2017 | 2015 | 2014 | 2013 |
|---|
Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2023 | 2022 | 2019 | 2018 | 2017 | 2015 | 2014 | 2013 | ||
|---|---|---|---|---|---|---|---|---|---|---|
| Chase the Moon 12 Hour Endurance Run | 3 | 58.580 | 66.304 | 82.881 | ||||||
| The Bear Chase 100 km | 2 | 12:04:08 | 12:15:34 |





