Mark Shields (M54)
2026
1 Race | 31 mi.Black Mountain 50k
Jun 20th 2026
| San Diego, CA
Distance
50 KM
Overall
39
/ 121
Division (M)
34
/ 105
6:29:18
2024
1 Race | 27 mi.Run 12 Hours - San Diego
Jul 13th 2024
| San Diego, CA
Duration
12 Hours
Overall
5
/ 6
Division (M)
5
/ 8
26.99
2016
1 Race | 100 mi.Javelina Jundred
Oct 29th 2016
| Fountain Hills, AZ
Distance
100 Miles
Overall
227
/ 284
Division (M)
165
/ 200
28:28:54
2013
2 Races | 128 mi.Javelina Jundred
Oct 26th 2013
| Fountain Hills, AZ
Distance
100 Miles
Overall
109
/ 157
Division (M)
78
/ 109
28:18:40
Rohring Round the Clock
Feb 23rd 2013
| Chula Vista, CA
Duration
6 Hours
Overall
4
/ 6
Division (M)
2
/ 2
27.9
2012
1 Race | 1 mi.Krispy Kreme Challenge West
Nov 10th 2012
| San Diego, CA
Distance
Unknown Miles
Overall
20
/ 21
Division (M)
19
/ 20
1:12:19
2011
3 Races | 154 mi.Canadian Death Race
Jul 30th 2011
| Grande Cache, AB
Distance
118 KM
Overall
62
/ 128
Division (M)
51
/ 103
21:44:34
Oriflamme
Mar 19th 2011
| Julian, CA
Distance
50 KM
Overall
30
/ 108
Division (M)
26
/ 73
5:58:00
Avalon Benefit 50
Jan 15th 2011
| Avalon, CA
Distance
50 Miles
Overall
27
/ 222
Division (M)
22
/ 160
8:53:27
2010
3 Races | 112 mi.Los Pinos
Nov 20th 2010
| Lake Elsinore, CA
Distance
50 KM
Overall
23
/ 42
Division (M)
20
/ 34
7:53:02
Bulldog 50K Ultra Run & 25K Trail Run
Aug 21st 2010
| Calabasas, CA
Distance
50 KM
Overall
63
/ 198
Division (M)
50
/ 133
5:58:35
Avalon Benefit 50
Jan 16th 2010
| Avalon, CA
Distance
50 Miles
Overall
25
/ 158
Division (M)
19
/ 104
9:03:47
2008
1 Race | 50 mi.PCT 50
May 10th 2008
| Cleveland National Forest, CA
Distance
50 Miles
Overall
74
/ 93
Division (M)
64
/ 79
12:19:00
13
Races
18y 1m 15d
Longevity
603
Lifetime Miles
Personal Bests
50k
(4)
5:58:00
2011
50m
(3)
8:53:27
2011
100m
(2)
28:18:40
2013
12hr
(1)
26.99
2024
6hr
(1)
27.9
2013
Distance by Year
2026
31
Miles
1 Race
2024
27
Miles
1 Race
2016
100
Miles
1 Race
2013
128
Miles
2 Races
2012
1
Miles
1 Race
2011
154
Miles
3 Races
2010
112
Miles
3 Races
2008
50
Miles
1 Race