Mike Siebersma (M48)
2026
1 Race | 100 mi.San Diego 100
May 1st 2026
| Lake Cuyamaca, CA
Distance
100 Miles
Overall
68
/ 126
Division (M)
51
/ 95
29:39:47
2024
1 Race | 200 mi.Cowboy 200
Sep 13th 2024
| Norfolk, NE
Distance
200 Miles
Overall
5
/ 45
Division (M)
5
/ 33
53:17:49
2023
1 Race | 31 mi.Glacier Hills Ultra
Oct 28th 2023
| Canton, SD
Distance
50 KM
Overall
2
/ 38
Division (M)
2
/ 26
5:05:41
2021
2 Races | 131 mi.Farmland 100
Nov 5th 2021
| Inwood, IA
Distance
100 Miles
Overall
1
/ 6
Division (M)
1
/ 4
21:07:00
Black Hills 100
Jun 25th 2021
| Sturgis, SD
Distance
50 KM
Overall
30
/ 121
Division (M)
23
/ 67
6:27:44
2020
1 Race | 31 mi.Glacier Hills Ultra
Oct 24th 2020
| Canton, SD
Distance
50 KM
Overall
10
/ 42
Division (M)
9
/ 26
4:58:35
2019
1 Race | 100 mi.Badger Mountain Challenge
Mar 29th 2019
| Richland, WA
Distance
100 Miles
Overall
33
/ 82
Division (M)
31
/ 65
23:39:10
2017
1 Race | 50 mi.Autumn Leaves 50/50
Oct 28th 2017
| St. Paul, OR
Distance
50 Miles
Overall
6
/ 26
Division (M)
6
/ 16
8:32:36
8
Races
8y 6m 7d
Longevity
643
Lifetime Miles
Personal Bests
50k
(3)
4:58:35
2020
50m
(1)
8:32:36
2017
100m
(3)
21:07:00
2021
Distance by Year
2026
100
Miles
1 Race
2024
200
Miles
1 Race
2023
31
Miles
1 Race
2021
131
Miles
2 Races
2020
31
Miles
1 Race
2019
100
Miles
1 Race
2017
50
Miles
1 Race
Multiple Performances
2nd Place
5:05:41
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+