Michael O'Brien (M42)
2025
2 Races | 126 mi.High Lonesome 100
Jul 18th 2025
| Salida, CO
Distance
100 Miles
Overall
17
/ 166
Division (M)
12
/ 90
25:52:52
The Ripper - Sunrise to Sunset
May 10th 2025
| Pocomoke, MD
Duration
14 Hours
Overall
44
/ 48
Division (M)
24
/ 25
26.4
2024
2 Races | 71 mi.Telluride Mountain Run
Aug 24th 2024
| Telluride, CO
Distance
40 Miles
Overall
5
/ 104
Division (M)
5
/ 84
8:43:26
The Algonquin 50K
Feb 10th 2024
| Pocomoke City, MD
Distance
50 KM
Overall
166
/ 212
Division (M)
100
/ 116
7:22:11
2022
1 Race | 31 mi.Devil on the Divide 50K
Sep 10th 2022
| Empire, CO
Distance
50 KM
Overall
3
/ 125
Division (M)
3
/ 86
5:01:28
2021
2 Races | 131 mi.Wyoming Range 100-Mile Endurance Run
Aug 20th 2021
| Hoback, WY
Distance
100 Miles
Overall
1
/ 19
Division (M)
1
/ 16
32:35:28
Grand Island Trail 50K
Jul 24th 2021
| Munising, MI
Distance
50 KM
Overall
3
/ 94
Division (M)
3
/ 64
4:15:24
2019
1 Race | 31 mi.Devil on the Divide 50K
Sep 7th 2019
| Empire, CO
Distance
50 KM
Overall
6
/ 120
Division (M)
6
/ 80
5:24:03
2018
2 Races | 150 mi.Leadville Trail
Aug 18th 2018
| Leadville, CO
Distance
100 Miles
Overall
48
/ 379
Division (M)
45
/ 320
23:14:22
Silver Rush 50
Jul 8th 2018
| Leadville, CO
Distance
50 Miles
Overall
26
/ 400
Division (M)
22
/ 284
8:46:22
2016
1 Race | 100 mi.Run Rabbit Run
Sep 16th 2016
| Steamboat Springs, CO
Distance
100 Miles
Overall
57
/ 203
Division (M)
48
/ 162
27:10:13
2015
1 Race | 50 mi.Silver Rush 50
Jul 12th 2015
| Leadville, CO
Distance
50 Miles
Overall
22
/ 355
Division (M)
19
/ 262
8:33:14
2014
1 Race | 100 mi.Leadville Trail
Aug 16th 2014
| Leadville, CO
Distance
100 Miles
Overall
59
/ 354
Division (M)
56
/ 303
24:13:17
13
Races
10y 11m 9d
Longevity
791
Lifetime Miles
Personal Bests
50k
(4)
4:15:24
2021
50m
(2)
8:33:14
2015
100m
(5)
23:14:22
2018
Distance by Year
2025
126
Miles
2 Races
2024
71
Miles
2 Races
2022
31
Miles
1 Race
2021
131
Miles
2 Races
2019
31
Miles
1 Race
2018
150
Miles
2 Races
2016
100
Miles
1 Race
2015
50
Miles
1 Race
2014
100
Miles
1 Race
Multiple Performances
Masters Winner
8:43:26
40 Miles
Masters Course Record
8:43:26
40 Miles
3rd Place
5:01:28
50 KM
3rd Place
4:15:24
50 KM
Achievements are awarded for races with 25 or more finishers and courses with 200 or more finishers.
Masters: 40-49 / Grand Masters: 50-59 / Senior Grand Masters: 60+

