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Marathon Deutsche Weinstraße 2026   HaWei50 50km Ultralauf 28.2.2026   3h, 6h, 12h, 24h of Santander  
Name: O'Brien, Sean   Submit Personal Website Send Link 
Club:  
Residence: Los Angeles, CA
Year of birth: 1963 (Cat. german: M60)
Date of birth: 00.00.0000 (Cat. internat.: M60)
Nationality: USA USA United States
RunnerID: 47633
 

45 search results (45 Events, 3106.134 km).  (More)

2023 1 Event, 80.467 km  (More)
28.01.2023 Sean O'Brien 50 Mile Trail Race (USA) 50mi
11:37:19 h O'Brien, Sean *Los Angeles, CA  Overall: 22 M: 20 Cat M55: 2
2022 3 Events, 150 km  (More)
03.12.2022 Ray Miller 50 km Trail Race (USA) 50km
5:34:19 h O'Brien, Sean *Los Angeles, CA  Overall: 9 M: 8 Cat M55: 2
22.10.2022 SAMO Trail Runs (USA) 50km
5:26:12 h O'Brien, Sean *Los Angeles, CA  Overall: 10 M: 10 Cat M55: 1
23.04.2022 Leona Divide 50 km Run (USA) 50km
5:35:30 h O'Brien, Sean *Los Angeles, CA  Overall: 18 M: 15 Cat M55: 1
2019 2 Events, 106.327 km  (More)
23.03.2019 Santa Barbara Nine Trails 35 Mile Endurance Run (USA) 35mi
8:31:46 h O'Brien, Sean *Los Angeles, CA  Overall: 70 M: 58 Cat M55: 1
02.02.2019 Sean O'Brien 50 km Trail Race (USA) 50km
6:09:37 h O'Brien, Sean *Los Angeles, CA  Overall: 34 M: 30 Cat M55: 1
2018 1 Event, 80.467 km  (More)
03.02.2018 Sean O'Brien 50 Mile Trail Race (USA) 50mi
11:03:59 h O'Brien, Sean   Overall: 24 M: 16 Cat M50: 2
2017 1 Event, 50 km  (More)
13.05.2017 Whoo's In El Moro 50k Trail Races - Spring Edition (USA) 50km
4:53:08 h O'Brien, Sean   Overall: 5 M: 4 Cat M50: 1
2016 1 Event, 80.467 km  (More)
06.02.2016 Sean O'Brien 50 Mile Trail Race (USA) 50mi
9:43:07 h O'Brien, Sean   Overall: 7 M: 5 Cat M50: 2
2015 4 Events, 330.467 km  (More)
02.05.2015 Miwok 100k Trail Race (USA) 100km
12:43:00 h O'Brien, Sean *Los Angeles, CA  Overall: 99 M: 83 Cat M50: 9
21.03.2015 Old Goat's 50 km Trail Race (USA) 50km
5:54:25 h O'Brien, Sean   Overall: 1 M: 1 Cat M50: 1
07.02.2015 Sean O'Brien 100 km Trail Race (USA) 100km
13:35:14 h O'Brien, Sean *Los Angeles, CA  Overall: 50 M: 39 Cat M50: 1
10.01.2015 Avalon Benefit 50-Mile Run (USA) 50mi
8:34:58 h O'Brien, Sean *Los Angeles, CA  Overall: 27 M: 26 Cat M50: 7
2013 2 Events, 140.467 km  (More)
04.05.2013 Miwok 60k Trail race (USA) 60km
5:49:18 h O'Brien, Sean   Overall: 16 M: 16 Cat M45: 2
02.02.2013 Ray Miller 50 Mile Trail Race (USA) 50mi
9:11:46 h O'Brien, Sean   Overall: 18 M: 16 Cat M45: 2
2011 6 Events, 391.401 km  (More)
20.11.2011 Santa Monica Mountains 50 km (USA) 50km
5:33:50 h O'Brien, Sean *Los Angeles, CA  Overall: 12 M: 9 Cat M45: 1
13.08.2011 Angeles National Forest 50k Trail Race (USA) 50km
5:23:15 h O'Brien, Sean *Los Angeles, CA  Overall: 5 M: 4 Cat M45: 1
30.04.2011 Leona Divide 50 Mile Run (USA) 50mi
8:15:37 h O'Brien, Sean *Los Angeles  Overall: 16 M: 13 Cat M45: 2
26.03.2011 Old Goat's 50 Mile Trail Race (USA) 50mi
9:16:54 h O'Brien, Sean *CA  Overall: 8 M: 7 Cat M45: 3
20.02.2011 Bandit Ultra 50K Trail Run (USA) 50km
5:10:50 h O'Brien, Sean *CA  Overall: 5 M: 5 Cat M45: 1
15.01.2011 Avalon Benefit 50-Mile Run (USA) 50mi
7:36:24 h O'Brien, Sean *Los Angeles, CA  Overall: 9 M: 8 Cat M45: 3
2010 6 Events, 360.934 km  (More)
21.11.2010 Santa Monica Mountains 50 km (USA) 50km
5:03:58 h O'Brien, Sean *Los Angeles, CA  Overall: 4 M: 4 Cat M45: 1
21.08.2010 Bulldog 50k Ultra Run (USA) 50km
4:29:27 h O'Brien, Sean   Overall: 5 M: 5 Cat M45: 1
15.08.2010 Montaña de Oro 50 km Race (USA) 50km
4:46:28 h O'Brien, Sean *Los Angeles, CA  Overall: 2 M: 2 Cat M45: 1
17.04.2010 Leona Divide 50 Mile Run (USA) 50mi
8:47:55 h O'Brien, Sean *Los Angeles, CA  Overall: 23 M: 18 Cat M45: 2
07.03.2010 Malibu Creek Trail Run (USA) 50km
4:55:57 h O'Brien, Sean *Los Angeles, CA  Overall: 5 M: 5 Cat M45: 1
16.01.2010 Avalon Benefit 50-Mile Run (USA) 50mi
7:25:31 h O'Brien, Sean *Los Angeles, CA  Overall: 5 M: 5 Cat M45: 3
2009 7 Events, 441.401 km  (More)
06.12.2009 OTHTC High Desert 50K Ultra (USA) 50km
4:24:42 h O'Brien, Sean *Los Angeles, CA  Overall: 22 M: 19 Cat M45: 2
22.11.2009 Santa Monica Mountains 50 km (USA) 50km
4:52:54 h O'Brien, Sean *Los Angeles, CA  Overall: 4 M: 4 Cat M45: 1
08.08.2009 Angeles National Forest 50Mile Trail Race (USA) 50mi
8:12:49 h O'Brien, Sean *Los Angeles, CA  Overall: 3 M: 3 Cat M45: 1
18.-19.07.2009 Tahoe Rim Trail 50M Endurance Runs (USA) 50mi
9:51:18 h O'Brien, Sean *Los Angeles, CA  Overall: 5 M: 4 Cat M45: 2
29.03.2009 Sycamore Canyon 50K (USA) 50km
4:34:52 h O'Brien, Sean *Los Angeles, CA  Overall: 3 M: 3 Cat M45: 1
08.03.2009 Malibu Creek Trail Run (USA) 50km
4:55:23 h O'Brien, Sean *Los Angeles, CA  Overall: 2 M: 2 Cat M45: 1
17.01.2009 Avalon Benefit 50-Mile Run (USA) 50mi
8:03:20 h O'Brien, Sean *Los Angeles, CA  Overall: 4 M: 3 Cat M45: 1
2008 7 Events, 552.335 km  (More)
23.11.2008 Santa Monica Mountains 50 km (USA) 50km
4:50:00 h O'Brien, Sean *Los Angeles, CA  Overall: 5 M: 5 Cat M40: 1
13.-14.09.2008 Angeles Crest 100 Mile (USA) 100mi
27:07:38 h O'Brien, Sean *Los Angeles, CA  Overall: 31 M: 28 Cat M40: 5
23.08.2008 Bulldog 50k Ultra Run (USA) 50km
4:19:42 h O'Brien, Sean   Overall: 4 M: 4 Cat M40: 2
09.08.2008 Angeles National Forest 50Mile Trail Race (USA) 50mi
9:07:43 h O'Brien, Sean *Los Angeles, CA  Overall: 4 M: 4 Cat M40: 2
20.07.2008 Leadville Silver Rush 50 Mile Run (USA) 50mi
10:30:09 h O'Brien, Sean *Los Angeles, CA  Overall: 45 M: 37 Cat M40: 7
17.05.2008 Bishop High Sierra Ultramarathons 50 Miles (USA) 50mi
9:13:27 h O'Brien, Sean *Los Angeles, CA  Overall: 6 M: 6 Cat M40: 2
06.04.2008 Malibu Creek Trail Run (USA) 50km
4:53:27 h O'Brien, Sean *Los Angeles, CA  Overall: 6 M: 6 Cat M40: 2
2007 1 Event, 50 km  (More)
11.08.2007 Angeles National Forest 50k Trail Race (USA) 50km
5:26:18 h O'Brien, Sean   Overall: 5 M: 4 Cat M40: 2
2006 3 Events, 291.401 km  (More)
16.-17.09.2006 Angeles Crest 100 Mile (USA) 100mi
30:19:03 h O'Brien, Sean *Los Angeles, CA  Overall: 51 M: 43 Cat M40: 7
12.08.2006 Angeles National Forest 50k Trail Race (USA) 50km
4:57:51 h O'Brien, Sean *Los Angeles, CA  Overall: 3 M: 3 Cat M40: 1
29.07.2006 White River 50 Mile Trail Run (USA) 50mi
9:48:09 h O'Brien, Sean *Los Angeles, CA  Overall: 55 M: 49 Cat M40: 11

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 2022 2019 2018 2017 2016 2015 2013 2011 2010 2009 2008 2007 2006

Comparison table

Comparison of performances in races with multiple participations

   2023 2022 2019 2018 2017 2016 2015 2013 2011 2010 2009 2008 2007 2006
Santa Monica Mountains 50 km 4                 5:33:50 5:03:58 4:52:54 4:50:00    
Avalon Benefit 50-Mile Run 4             8:34:58   7:36:24 7:25:31 8:03:20      
Malibu Creek Trail Run 3                   4:55:57 4:55:23 4:53:27    
Sean O'Brien 50 Mile Trail Race 3 11:37:19     11:03:59   9:43:07                
Angeles National Forest 50k Trail Race 3                 5:23:15       5:26:18 4:57:51
Bulldog 50k Ultra Run 2                   4:29:27   4:19:42    
Angeles National Forest 50Mile Trail Race 2                     8:12:49 9:07:43    
Leona Divide 50 Mile Run 2                 8:15:37 8:47:55        
Angeles Crest 100 Mile 2                       27:07:38   30:19:03
Miwok 60k Trail race 2             12:43:00 5:49:18