Select your language:
Marathon Deutsche Weinstraße 2026   HaWei50 50km Ultralauf 28.2.2026   3h, 6h, 12h, 24h of Santander  
Name: Duncan, Jacob   Submit Personal Website Send Link 
Club:  
Residence: Westminster, CO
Year of birth: 1976 (Cat. german: M50)
Date of birth: 26.07.1976 (Cat. internat.: M45)
Nationality: USA 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