Amanda O'Brien (F40)
2026
1 Race | 62 mi.Siskiyou Out Back
Jul 11th 2026
| Ashland, OR
Distance
100 KM
Overall
45
/ 114
Division (F)
7
/ 25
14:32:42
2024
1 Race | 50 mi.Dick Collins Firetrails
Sep 29th 2024
| Castro Valley, CA
Distance
50 Miles
Overall
5
/ 75
Division (F)
1
/ 28
8:32:10
2022
1 Race | 31 mi.Marin Ultra Challenge
Mar 12th 2022
| Sausalito, CA
Distance
50 KM
Overall
79
/ 237
Division (F)
25
/ 112
5:56:39
3
Races
4y 4m 2d
Longevity
143
Lifetime Miles
Personal Bests
50k
(1)
5:56:39
2022
50m
(1)
8:32:10
2024
100k
(1)
14:32:42
2026
Distance by Year
2026
62
Miles
1 Race
2024
50
Miles
1 Race
2022
31
Miles
1 Race
Multiple Performances
1st Place
8:32:10
50 Miles
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+