Sonja Brester (F43)
2026
2 Races | 93 mi.Don't Fence Me In Trail Run
May 9th 2026
| Helena, MT
Distance
50 KM
Overall
69
/ 109
Division (F)
19
/ 36
6:41:11
Miwok
May 2nd 2026
| Stinson Beach, CA
Distance
100 KM
Overall
209
/ 303
Division (F)
60
/ 93
14:02:54
2025
3 Races | 231 mi.Crazy Mountain 100
Jul 25th 2025
| Lennep, MT
Distance
100 Miles
Overall
63
/ 146
Division (F)
11
/ 30
31:33:35
Bighorn
Jun 21st 2025
| Dayton, WY
Distance
100 Miles
Overall
62
/ 208
Division (F)
9
/ 30
29:08:12
Don't Fence Me In Trail Run
May 10th 2025
| Helena, MT
Distance
50 KM
Overall
71
/ 117
Division (F)
20
/ 42
6:28:40
2024
3 Races | 202 mi.Prospector's 50K
Aug 10th 2024
| Cooke City, MT
Distance
50 KM
Overall
20
/ 69
Division (F)
5
/ 34
6:56:45
Crazy Mountain 100
Jul 26th 2024
| Lennep, MT
Distance
100 Miles
Overall
105
/ 145
Division (F)
14
/ 25
34:05:04
Prarie Goat Ultra
May 4th 2024
| Broadview, MT
Duration
24 Hours
Overall
3
/ 5
Division (F)
1
/ 1
71.4
2023
3 Races | 181 mi.Prospector's 50K
Aug 12th 2023
| Cooke City, MT
Distance
50 KM
Overall
27
/ 70
Division (F)
6
/ 28
7:03:33
Bighorn
Jun 17th 2023
| Dayton, WY
Distance
100 Miles
Overall
78
/ 191
Division (F)
10
/ 33
30:19:03
Prarie Goat Ultra
May 6th 2023
| Broadview, MT
Duration
12 Hours
Overall
2
/ 5
Division (F)
1
/ 2
50.4
2022
1 Race | 50 mi.Silver Rush 50
Jul 9th 2022
| Leadville, CO
Distance
50 Miles
Overall
311
/ 388
Division (F)
82
/ 102
12:44:59
2021
1 Race | 50 mi.Silver Rush 50
Jul 11th 2021
| Leadville, CO
Distance
50 Miles
Overall
130
/ 402
Division (F)
26
/ 105
10:28:36
2019
4 Races | 212 mi.Leadville Trail
Aug 17th 2019
| Leadville, CO
Distance
100 Miles
Overall
191
/ 377
Division (F)
27
/ 71
28:40:06
Silver Rush 50
Jul 6th 2019
| Leadville, CO
Distance
50 Miles
Overall
98
/ 517
Division (F)
20
/ 147
9:37:00
Desert Rats Trail Running Festival
Apr 13th 2019
| Fruita, CO
Distance
50 KM
Overall
43
/ 175
Division (F)
13
/ 86
5:45:40
Arches Ultra
Jan 26th 2019
| Moab, UT
Distance
50 KM
Overall
56
/ 198
Division (F)
13
/ 87
5:50:09
2017
1 Race | 31 mi.Desert Rats Trail Running Festival
Apr 15th 2017
| Fruita, CO
Distance
50 KM
Overall
21
/ 72
Division (F)
6
/ 32
5:54:07
2016
2 Races | 62 mi.Desert Rats Trail Running Festival
Apr 16th 2016
| Fruita, CO
Distance
50 KM
Overall
20
/ 51
Division (F)
4
/ 12
5:46:16
Behind the Rocks Ultra
Apr 2nd 2016
| Moab, UT
Distance
50 KM
Overall
36
/ 106
Division (F)
7
/ 43
6:05:43
2006
1 Race | 32 mi.Bighorn
Jun 16th 2006
| Dayton, WY
Distance
32 Miles
Overall
71
/ 98
Division (F)
31
/ 43
7:51:42
2005
1 Race | 32 mi.Bighorn
Jun 17th 2005
| Dayton, WY
Distance
32 Miles
Overall
37
/ 98
Division (F)
19
/ 51
7:03:44
22
Races
20y 10m 1d
Longevity
1,178
Lifetime Miles
Personal Bests
50k
(9)
5:45:40
2019
50m
(3)
9:37:00
2019
100k
(1)
14:02:54
2026
100m
(5)
28:40:06
2019
24hr
(1)
71.4
2024
12hr
(1)
50.4
2023
Distance by Year
2026
93
Miles
2 Races
2025
231
Miles
3 Races
2024
202
Miles
3 Races
2023
181
Miles
3 Races
2022
50
Miles
1 Race
2021
50
Miles
1 Race
2019
212
Miles
4 Races
2017
31
Miles
1 Race
2016
62
Miles
2 Races
2006
32
Miles
1 Race
2005
32
Miles
1 Race
Multiple Performances
Masters Winner
6:56:45
50 KM
Masters Winner
7:03:33
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+