Sean O'Brien (M 61)

2023

2 Races | 81 mi.

Marquette Trail 50

Aug 19th 2023
| Marquette, MI
Distance
50 KM
Overall
149 / 273
Division (M)
106 / 156
8:54:52

Sean O'Brien 100k/50M/50k

Jan 28th 2023
| Malibu, CA
Distance
50 Miles
Overall
22 / 67
Division (M)
20 / 44
11:37:19

2022

3 Races | 93 mi.

Ray Miller 50/50

Dec 3rd 2022
| Malibu, CA
Distance
50 KM
Overall
9 / 104
Division (M)
8 / 60
5:34:19

SAMO Trail Runs

Oct 22nd 2022
| Pacific Palisades, CA
Distance
50 KM
Overall
11 / 85
Division (M)
11 / 55
5:26:12

Leona Divide

Apr 23rd 2022
| Lake Hughes, CA
Distance
50 KM
Overall
18 / 109
Division (M)
15 / 62
5:35:30

2021

1 Race | 31 mi.

Marquette Trail 50

Aug 21st 2021
| Marquette, MI
Distance
50 KM
Overall
147 / 193
Division (M)
78 / 94
10:17:51

2019

1 Race | 35 mi.

Nine Trails 35 Mile Endurance Run

Mar 23rd 2019
| Santa Barbara, CA
Distance
35 Miles
Overall
70 / 178
Division (M)
58 / 127
8:31:46

2018

1 Race | 50 mi.

Sean O'Brien 100k/50M/50k

Feb 3rd 2018
| Malibu, CA
Distance
50 Miles
Overall
24 / 110
Division (M)
14 / 75
11:03:59

2017

1 Race | 31 mi.

Whoos in El Moro - Spring

May 13th 2017
| Newport Beach, CA
Distance
50 KM
Overall
5 / 67
Division (M)
4 / 43
4:53:08

2016

1 Race | 50 mi.

Sean O'Brien 100k/50M/50k

Feb 6th 2016
| Malibu, CA
Distance
50 Miles
Overall
7 / 62
Division (M)
5 / 36
9:43:07

2015

5 Races | 255 mi.

Miwok

May 2nd 2015
| Stinson Beach, CA
Distance
100 KM
Overall
99 / 308
Division (M)
83 / 227
12:43:00

Leona Divide

Apr 18th 2015
| Lake Hughes, CA
Distance
50 Miles
Overall
21 / 129
Division (M)
18 / 95
9:27:37

Old Goat

Mar 21st 2015
| Lake Elsinore, CA
Distance
50 KM
Overall
1 / 17
Division (M)
1 / 11
5:54:25

Sean O'Brien 100k/50M/50k

Feb 7th 2015
| Malibu, CA
Distance
100 KM
Overall
53 / 93
Division (M)
42 / 69
13:35:14

Avalon Benefit 50

Jan 10th 2015
| Avalon, CA
Distance
50 Miles
Overall
27 / 209
Division (M)
26 / 146
8:34:58

2013

2 Races | 87 mi.

Miwok

May 4th 2013
| Stinson Beach, CA
Distance
60 KM
Overall
16 / 349
Division (M)
16 / 243
5:49:18

Ray Miller 50/50

Feb 2nd 2013
| Malibu, CA
Distance
50 Miles
Overall
18 / 95
Division (M)
16 / 73
9:11:46

2011

6 Races | 243 mi.

Santa Monica Mountains

Nov 20th 2011
| Malibu, CA
Distance
50 KM
Overall
12 / 69
Division (M)
9 / 53
5:33:50

Angeles National Forest Trail Race

Aug 13th 2011
| Sierra Madre, CA
Distance
50 KM
Overall
5 / 123
Division (M)
4 / 85
5:23:15

Leona Divide

Apr 30th 2011
| Lake Hughes, CA
Distance
50 Miles
Overall
14 / 231
Division (M)
11 / 176
8:15:37

Old Goat

Mar 26th 2011
| Lake Elsinore, CA
Distance
50 Miles
Overall
8 / 96
Division (M)
7 / 79
9:16:54

Bandit Ultra Trail Run

Feb 20th 2011
| Simi Valley, CA
Distance
50 KM
Overall
5 / 49
Division (M)
5 / 44
5:10:50

Avalon Benefit 50

Jan 15th 2011
| Avalon, CA
Distance
50 Miles
Overall
9 / 222
Division (M)
8 / 160
7:36:01

2010

6 Races | 224 mi.

Santa Monica Mountains

Nov 21st 2010
| Malibu, CA
Distance
50 KM
Overall
4 / 70
Division (M)
4 / 50
5:03:58

Bulldog 50K Ultra Run & 25K Trail Run

Aug 21st 2010
| Calabasas, CA
Distance
50 KM
Overall
5 / 198
Division (M)
5 / 133
4:29:27

Montana de Oro

Aug 15th 2010
| Los Osos, CA
Distance
50 KM
Overall
2 / 44
Division (M)
2 / 30
4:46:28

Leona Divide

Apr 17th 2010
| Lake Hughes, CA
Distance
50 Miles
Overall
23 / 154
Division (M)
18 / 116
8:47:55

Malibu Creek

Mar 7th 2010
| Malibu, CA
Distance
50 KM
Overall
5 / 63
Division (M)
5 / 43
4:55:57

Avalon Benefit 50

Jan 16th 2010
| Avalon, CA
Distance
50 Miles
Overall
5 / 158
Division (M)
5 / 104
7:25:31

2009

7 Races | 274 mi.

Over The Hill Track Club High Desert 50K

Dec 6th 2009
| Ridgecrest, CA
Distance
50 KM
Overall
22 / 226
Division (M)
19 / 153
4:24:42

Santa Monica Mountains

Nov 22nd 2009
| Malibu, CA
Distance
50 KM
Overall
4 / 72
Division (M)
4 / 54
4:52:54

Angeles National Forest Trail Race

Aug 8th 2009
| Sierra Madre, CA
Distance
50 Miles
Overall
3 / 71
Division (M)
3 / 56
8:12:49

Tahoe Rim Trail

Jul 18th 2009
| Carson City, NV
Distance
50 Miles
Overall
5 / 96
Division (M)
4 / 65
9:51:18

Sycamore Canyon

Mar 29th 2009
| Malibu, CA
Distance
50 KM
Overall
3 / 56
Division (M)
3 / 42
4:34:52

Malibu Creek

Mar 8th 2009
| Malibu, CA
Distance
50 KM
Overall
2 / 60
Division (M)
2 / 45
4:55:23

Avalon Benefit 50

Jan 17th 2009
| Avalon, CA
Distance
50 Miles
Overall
4 / 160
Division (M)
3 / 107
8:03:20

2008

7 Races | 343 mi.

Santa Monica Mountains

Nov 23rd 2008
| Malibu, CA
Distance
50 KM
Overall
5 / 60
Division (M)
5 / 42
4:50:00

Angeles Crest

Sep 13th 2008
| Wrightwood, CA
Distance
100 Miles
Overall
31 / 98
Division (M)
28 / 86
27:07

Bulldog 50K Ultra Run & 25K Trail Run

Aug 23rd 2008
| Calabasas, CA
Distance
50 KM
Overall
4 / 139
Division (M)
4 / 100
4:19:42

Angeles National Forest Trail Race

Aug 9th 2008
| Sierra Madre, CA
Distance
50 Miles
Overall
4 / 78
Division (M)
4 / 64
9:07:42

Silver Rush 50

Jul 19th 2008
| Leadville, CO
Distance
50 Miles
Overall
45 / 116
Division (M)
37 / 86
10:30:09

Bishop High Sierra

May 17th 2008
| Bishop, CA
Distance
50 Miles
Overall
6 / 78
Division (M)
6 / 62
9:13:27

Malibu Creek

Apr 6th 2008
| Malibu, CA
Distance
50 KM
Overall
6 / 43
Division (M)
6 / 33
4:53:27

2007

1 Race | 31 mi.

Angeles National Forest Trail Race

Aug 11th 2007
| Sierra Madre, CA
Distance
50 KM
Overall
5 / 144
Division (M)
4 / 101
5:26:18

2006

3 Races | 181 mi.

Angeles Crest

Sep 16th 2006
| Wrightwood, CA
Distance
100 Miles
Overall
51 / 81
Division (M)
43 / 69
30:19:00

Angeles National Forest Trail Race

Aug 12th 2006
| Sierra Madre, CA
Distance
50 KM
Overall
3 / 136
Division (M)
3 / 105
4:57:51

White River 50

Jul 29th 2006
| Crystal Mountain, WA
Distance
50 Miles
Overall
55 / 124
Division (M)
49 / 99
9:48:09

North American Races

47
Races
17y 0m 25d
Longevity
2,011
Lifetime Miles

Personal Bests

50k (23)
4:19:42
2008
50m (18)
7:25:31
2010
100k (2)
12:43:00
2015
100m (2)
27:07:00
2008

Distance by Year

2023
81 Miles
2 Races
2022
93 Miles
3 Races
2021
31 Miles
1 Race
2019
35 Miles
1 Race
2018
50 Miles
1 Race
2017
31 Miles
1 Race
2016
50 Miles
1 Race
2015
255 Miles
5 Races
2013
87 Miles
2 Races
2011
243 Miles
6 Races
2010
224 Miles
6 Races
2009
274 Miles
7 Races
2008
343 Miles
7 Races
2007
31 Miles
1 Race
2006
181 Miles
3 Races

Multiple Performances

2023
106th Place
2021
78th Place
2023
20th Place
2018
14th Place
2016
5th Place
2015
18th Place
2011
11th Place
2010
18th Place
2015
26th Place
2011
8th Place
2010
5th Place
2009
3rd Place
2011
9th Place
2010
4th Place
2009
4th Place
2008
5th Place
2011
4th Place
2007
4th Place
2006
3rd Place
2010
5th Place
2009
2nd Place
2008
6th Place
2008
28th Place
2006
43rd Place

Sean O'Brien (M 58)

2018

1 Race | 31 mi.

Sun Mountain

May 19th 2018
| Winthrop, WA
Distance
50 KM
Overall
238 / 244
Division (M)
130 / 131
7:59:18

North American Races

1
Races
0y 0m 0d
Longevity
31
Lifetime Miles

Personal Bests

50k (1)
7:59:18
2018

Distance by Year

2018
31 Miles
1 Race

Multiple Performances

Sean O'Brien (M 34)

2023

1 Race | 62 mi.

Black Canyon Ultras

Feb 18th 2023
| Mayer, AZ
Distance
100 KM
Overall
137 / 704
Division (M)
94 / 517
11:59:29

2022

2 Races | 98 mi.

Mid-State Mile

Jun 18th 2022
| Franklin, TN
Duration
Backyard
Overall
47 / 39
Division (M)
23 / 35
36

Zion Ultras and Trail Half Marathon

Apr 9th 2022
| Virgin, UT
Distance
100 KM
Overall
17 / 232
Division (M)
13 / 162
13:09:52

2021

1 Race | 62 mi.

Twisted Branch Trail Run

Aug 21st 2021
| Naples, NY
Distance
100 KM
Overall
49 / 108
Division (M)
42 / 85
15:59:01

2020

1 Race | 50 mi.

JFK

Nov 21st 2020
| Boonsboro, MD
Distance
50 Miles
Overall
187 / 636
Division (M)
160 / 474
9:27:49

2019

1 Race | 50 mi.

Lookout Mountain

Dec 21st 2019
| Lookout Mountain, GA
Distance
50 Miles
Overall
13 / 103
Division (M)
12 / 87
9:50:27

2015

1 Race | 31 mi.

StumpJump 50K

Oct 3rd 2015
| Chattanooga, TN
Distance
50 KM
Overall
23 / 223
Division (M)
20 / 177
6:13:45

North American Races

7
Races
7y 4m 20d
Longevity
353
Lifetime Miles

Personal Bests

50k (1)
6:13:45
2015
50m (2)
9:27:49
2020
100k (3)
11:59:29
2023
Backyard (1)
36
2022

Distance by Year

2023
62 Miles
1 Race
2022
98 Miles
2 Races
2021
62 Miles
1 Race
2020
50 Miles
1 Race
2019
50 Miles
1 Race
2015
31 Miles
1 Race

Multiple Performances

Sean Obrien (M 42)

2014

1 Race | 34 mi.

Rachel Carson Trail Challenge

Jun 21st 2014
| Pittsburgh, PA
Distance
34 Miles
Overall
445 / 475
Division (M)
287 / 304
14:26:45

North American Races

1
Races
0y 0m 0d
Longevity
34
Lifetime Miles

Personal Bests

Distance by Year

2014
34 Miles
1 Race

Multiple Performances

Sean Obrien (M )

2019

1 Race | 31 mi.

Grand Island Trail 50K

Jul 27th 2019
| Munising, MI
Distance
50 KM
Overall
60 / 95
Division (M)
47 / 64
5:59:46

North American Races

1
Races
0y 0m 0d
Longevity
31
Lifetime Miles

Personal Bests

50k (1)
5:59:46
2019

Distance by Year

2019
31 Miles
1 Race

Multiple Performances

Sean O'Brien (M 29)

2023

2 Races | 112 mi.

Habanero Hundred

Aug 12th 2023
| Cat Spring, TX
Distance
100 KM
Overall
20 / 25
Division (M)
17 / 20
22:25:48

Brazos Bend 50

Apr 1st 2023
| Needville, TX
Distance
50 Miles
Overall
81 / 93
Division (M)
56 / 62
13:30:57

North American Races

2
Races
0y 4m 13d
Longevity
112
Lifetime Miles

Personal Bests

50m (1)
13:30:57
2023
100k (1)
22:25:48
2023

Distance by Year

2023
112 Miles
2 Races

Multiple Performances