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Marathon Deutsche Weinstraße 2026   HaWei50 50km Ultralauf 28.2.2026   3h, 6h, 12h, 24h of Santander  
Name: Dumonthier, William   Submit Personal Website Send Link 
Club:  
Residence: Santa Clara, CA
Year of birth: 1952 (Cat. german: M70)
Date of birth: 00.00.0000 (Cat. internat.: M70)
Nationality: USA USA United States
RunnerID: 251673
 

33 search results (33 Events, 2225.259 km).  (More)

2025 1 Event, 50 km  (More)
03.08.2025 Skyline 50k Endurance Run (USA) 50km
8:04:52 h Dumonthier, William *Santa Clara, CA  Overall: 131 M: 96 Cat M70: 2
2024 2 Events, 100 km  (More)
04.08.2024 Skyline 50k Endurance Run (USA) 50km
7:55:41 h Dumonthier, William *Santa Clara, CA  Overall: 127 M: 84 Cat M70: 2
06.04.2024 Diablo Trails Challenge (USA) 50km
9:54:35 h Dumonthier, William *Santa Clara, CA  Overall: 119 M: 79 Cat M70: 1
2023 2 Events, 210.934 km  (More)
04.11.2023 Rio Del Lago 50 km Race (USA) 50km
6:57:48 h Dumonthier, William *Santa Clara, CA  Overall: 70 M: 44 Cat M70: 1
13.-14.04.2023 Beyond Limits Ultra Race 100mi (USA) 100mi
35:56:52 h Dumonthier, William *Santa Clara, CA  Overall: 20 M: 16 Cat M70: 1
2022 1 Event, 50 km  (More)
07.08.2022 Skyline 50k Endurance Run (USA) 50km
7:58:32 h Dumonthier, William *Santa Clara, CA  Overall: 147 M: 96 Cat M65: 1
2021 1 Event, 50 km  (More)
23.10.2021 Quicksilver 50 km Endurance Run (USA) 50km
7:59:21 h Dumonthier, William *Santa Clara, CA  Overall: 121 M: 91 Cat M65: 4
2019 4 Events, 225.528 km  (More)
30.11.2019 Quad Dipsea Trail Run (USA) 28mi
8:23:41 h Dumonthier, William *Santa Clara, CA  Overall: 242 M: 181 Cat M65: 2
20.07.2019 Pacifica 50 Km Trail Run (USA) 50km
9:52:33 h Dumonthier, William *Santa Clara, CA  Overall: 38 M: 27 Cat M65: 2
06.04.2019 American River 50 Mile Endurance Run (USA) 50mi
13:34:43 h Dumonthier, William *Santa Clara, CA  Overall: 333 M: 224 Cat M65: 6
27.01.2019 Fremont Fat Ass 50k (USA) 50km
6:32:33 h Dumonthier, William *Santa Clara, CA  Overall: 38 M: 26 Cat M65: 1
2018 1 Event, 45.061 km  (More)
24.11.2018 Quad Dipsea Trail Run (USA) 28mi
8:57:38 h Dumonthier, William *Santa Clara, CA  Overall: 270 M: 198 Cat M65: 2
2017 3 Events, 180.467 km  (More)
09.-10.09.2017 Headlands Hundred 50 Mile Endurance Run (USA) 50mi
16:02:00 h Dumonthier, William *Santa Clara, CA  Overall: 87 M: 52 Cat M60: 7
19.08.2017 Run-de-Vous 50 km Endurance Run (USA) 50km
6:53:04 h Dumonthier, William *Santa Clara, CA  Overall: 8 M: 6 Cat M60: 1
06.08.2017 Skyline 50k Endurance Run (USA) 50km
8:16:23 h Dumonthier, William   Overall: 179 M: 119 Cat M60: 11
2016 4 Events, 310.934 km  (More)
10.-11.09.2016 Headlands Hundred 50 Mile Endurance Run (USA) 50mi
14:52:37 h Dumonthier, William *Santa Clara, CA  Overall: 63 M: 45 Cat M60: 3
21.08.2016 Run-de-Vous 100 km Endurance Run (USA) 100km
18:46:00 h Dumonthier, William *Santa Clara, CA  Overall: 16 M: 12 Cat M60: 2
02.04.2016 American River 50 Mile Endurance Run (USA) 50mi
13:20:51 h Dumonthier, William *Santa Clara, CA  Overall: 462 M: 281 Cat M60: 17
30.01.2016 Fremont Fat Ass 50k (USA) 50km
5:52:00 h Dumonthier, William *Santa Clara, CA  Overall: 17 M: 13 Cat M60: 2
2015 4 Events, 360.934 km  (More)
07.-08.11.2015 Rio Del Lago 100 Mile Endurance Run (USA) 100mi
30:34:09 h Dumonthier, William *Santa Clara, CA  Overall: 232 M: 173 Cat M60: 9
15.-16.08.2015 Run-de-Vous 100 km Endurance Run (USA) 100km
19:34:35 h Dumonthier, William *Santa Clara, CA  Overall: 8 M: 8 Cat M60: 2
28.02.2015 Razorback 50 km Endurance Race (USA) 50km
11:07:40 h Dumonthier, William   Overall: 26 M: 15 Cat M60: 1
31.01.2015 Fremont Fat Ass 50k (USA) 50km
6:49:00 h Dumonthier, William *Santa Clara, CA  Overall: 42 M: 27 Cat M60: 3
2014 4 Events, 310.934 km  (More)
16.-17.08.2014 Run-de-Vous 50 Mile Endurance Run (USA) 50mi
11:47:14 h Dumonthier, William   Overall: 9 M: 7 Cat M60: 3
08.06.2014 Big Basin - Skyline to the Sea 50 Km (USA) 50km
7:25:45 h Dumonthier, William *Santa Clara, CA  Overall: 101 M: 68 Cat M60: 2
05.04.2014 American River 50 Mile Endurance Run (USA) 50mi
12:44:39 h Dumonthier, William *Santa Clara, CA  Overall: 711 M: 472 Cat M60: 18
01.-02.03.2014 Razorback 100 km Endurance Race (USA) 100km
17:48:11 h Dumonthier, William   Overall: 11 M: 6 Cat M60: 1
2013 2 Events, 100 km  (More)
07.12.2013 Endurance Challenge - California Trail 50 km (USA) 50km
7:12:23 h Dumonthier, William *Santa Clara, CA  Overall: 234 M: 167 Cat M60: 1
17.-18.08.2013 Run-de-Vous 50 km Endurance Run (USA) 50km
6:05:10 h Dumonthier, William *Santa Clara, CA  Overall: 7 M: 5 Cat M60: 1
2012 2 Events, 130.467 km  (More)
01.12.2012 Endurance Challenge - California Trail 50 km (USA) 50km
6:17:20 h Dumonthier, William *Santa Clara, CA  Overall: 167 M: 123 Cat M55: 3
07.04.2012 American River 50 Mile Endurance Run (USA) 50mi
12:34:10 h Dumonthier, William *Santa Clara, CA  Overall: 646 M: 463 Cat M55: 24
2011 1 Event, 50 km  (More)
03.12.2011 Endurance Challenge - California Trail 50 km (USA) 50km
9:40:14 h Dumonthier, William *Santa Clara  Overall: 359 M: 228 Cat M55: 4
2009 1 Event, 50 km  (More)
26.04.2009 Skyline to the Sea 50km (USA) 50km
5:47:02 h Dumonthier, William *Santa Clara, CA  Overall: 64 M: 52 Cat M55: 3

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 2019 2018 2017 2016 2015 2014 2013 2012 2011 2009

Comparison table

Comparison of performances in races with multiple participations

   2025 2024 2023 2022 2021 2019 2018 2017 2016 2015 2014 2013 2012 2011 2009
Skyline 50k Endurance Run 4 8:04:52 7:55:41   7:58:32       8:16:23              
American River 50 Mile Endurance Run 4           13:34:43     13:20:51   12:44:39   12:34:10    
Fremont Fat Ass 50k 3           6:32:33     5:52:00 6:49:00          
Endurance Challenge - California Trail 50 km 3                       7:12:23 6:17:20 9:40:14  
Quad Dipsea Trail Run 2           8:23:41 8:57:38                
Run-de-Vous 100 km Endurance Run 2                 18:46:00 19:34:35          
Run-de-Vous 50 km Endurance Run 2               6:53:04       6:05:10      
Headlands Hundred 50 Mile Endurance Run 2               16:02:00 14:52:37