Sean O'Brien (M36)
2026
1 Race | 42 mi.Mid-State Mile
Jun 20th 2026
| Franklin, TN
Duration
Backyard
Overall
46
/ 70
Division (M)
40
/ 59
41.8
2025
1 Race | 62 mi.Vermont 100
Jul 18th 2025
| West Windsor, VT
Distance
100 KM
Overall
17
/ 151
Division (M)
16
/ 100
11:26:02
2024
2 Races | 91 mi.The Tennessee Mile
Dec 7th 2024
| Franklin, TN
Duration
6 Hours
Overall
1
/ 2
Division (M)
1
/ 18
28.6
Miwok
May 4th 2024
| Stinson Beach, CA
Distance
100 KM
Overall
64
/ 222
Division (M)
51
/ 160
12:59:07
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
11
Races
10y 8m 23d
Longevity
548
Lifetime Miles
Personal Bests
50k
(1)
6:13:45
2015
50m
(2)
9:27:49
2020
100k
(5)
11:26:02
2025
6hr
(1)
28.6
2024
Backyard
(2)
41.8
2026
Distance by Year
2026
42
Miles
1 Race
2025
62
Miles
1 Race
2024
91
Miles
2 Races
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