Mark Klein (M43)
2026
1 Race | 79 mi.Bad Ass Backyard Ultra
Mar 28th 2026
| Rio Linda, CA
Duration
Backyard
Overall
4
/ 36
Division (M)
2
/ 27
79.17
2025
1 Race | 300 mi.Arizona Monster 300
Apr 4th 2025
| Superior, AZ
Distance
300 Miles
Overall
147
/ 199
Division (M)
122
/ 161
147:18:27
2024
1 Race | 100 mi.Folsom 100
May 4th 2024
| Granite Bay, CA
Distance
100 Miles
Overall
14
/ 33
Division (M)
13
/ 27
27:45:02
2023
2 Races | 112 mi.California Fall Classic 100K and 55K
Oct 21st 2023
| Healdsburg, CA
Distance
100 KM
Overall
115
/ 239
Division (M)
105
/ 196
15:55:32
Headlands
Aug 12th 2023
| Sausalito, CA
Distance
50 Miles
Overall
18
/ 31
Division (M)
16
/ 26
11:14:32
2022
1 Race | 50 mi.San Diego 50 and Trail Runs
Jan 15th 2022
| Escondido, CA
Distance
50 Miles
Overall
23
/ 89
Division (M)
21
/ 68
9:49:55
2017
1 Race | 31 mi.Zion Ultras and Trail Half Marathon
Apr 7th 2017
| Virgin, UT
Distance
50 KM
Overall
215
/ 280
Division (M)
134
/ 150
8:50:24
2016
2 Races | 165 mi.Western States 100
Jun 25th 2016
| Olympic Valley, CA
Distance
100 Miles
Overall
240
/ 280
Division (M)
191
/ 217
29:21:14
Mendocino Running Festival
May 21st 2016
| Mendocino, CA
Duration
12 Hours
Overall
2
/ 13
Division (M)
2
/ 6
65
2015
4 Races | 450 mi.Tahoe 200 Endurance Run
Sep 11th 2015
| Homewood, CA
Distance
200 Miles
Overall
45
/ 53
Division (M)
38
/ 46
96:21:53
San Diego 100
Jun 6th 2015
| Lake Cuyamaca, CA
Distance
100 Miles
Overall
79
/ 154
Division (M)
71
/ 117
27:42:00
Beyond Limits Ultra
Mar 28th 2015
| Mountain Center, CA
Duration
24 Hours
Overall
4
/ 30
Division (M)
4
/ 15
100
San Diego 50 and Trail Runs
Jan 17th 2015
| Escondido, CA
Distance
50 Miles
Overall
60
/ 168
Division (M)
46
/ 112
9:45:10
2014
3 Races | 199 mi.New Year's One Day
Dec 31st 2014
| San Jose, CA
Duration
6 Hours
Overall
10
/ 47
Division (M)
9
/ 29
37.3
Leadville Trail
Aug 16th 2014
| Leadville, CO
Distance
100 Miles
Overall
300
/ 354
Division (M)
257
/ 303
29:33:05
Santa Barbara 100
May 31st 2014
| Santa Barbara, CA
Distance
100 KM
Overall
2
/ 11
Division (M)
2
/ 8
14:24:32
2013
2 Races | 81 mi.Headlands
Sep 14th 2013
| Sausalito, CA
Distance
50 Miles
Overall
72
/ 105
Division (M)
54
/ 76
11:19:23
Harding Hustle
Jun 29th 2013
| Modjeska Canyon, CA
Distance
50 KM
Overall
27
/ 33
Division (M)
22
/ 25
7:35:26
2012
2 Races | 81 mi.Twin Peaks 50
Oct 13th 2012
| Corona, CA
Distance
50 Miles
Overall
10
/ 52
Division (M)
9
/ 46
10:51:42
Malibu Creek
Mar 3rd 2012
| Malibu, CA
Distance
50 KM
Overall
2
/ 35
Division (M)
2
/ 25
4:43:19
2011
2 Races | 200 mi.Leadville Trail
Aug 20th 2011
| Leadville, CO
Distance
100 Miles
Overall
108
/ 347
Division (M)
98
/ 292
26:16:55
Rocky Raccoon
Feb 5th 2011
| Huntsville, TX
Distance
100 Miles
Overall
61
/ 190
Division (M)
57
/ 150
23:33:38
2010
2 Races | 62 mi.Noble Canyon
Sep 25th 2010
| Pine Valley, CA
Distance
50 KM
Overall
9
/ 153
Division (M)
8
/ 114
5:26:15
Pirates Cove
Mar 20th 2010
| Sausalito, CA
Distance
50 KM
Overall
58
/ 71
Division (M)
43
/ 50
6:50:20
2009
2 Races | 81 mi.Helen Klein
Oct 31st 2009
| Sacramento, CA
Distance
50 Miles
Overall
43
/ 122
Division (M)
38
/ 96
9:33:17
Malibu Creek
Mar 8th 2009
| Malibu, CA
Distance
50 KM
Overall
27
/ 60
Division (M)
23
/ 45
6:15:11
26
Races
17y 0m 24d
Longevity
1,992
Lifetime Miles
Personal Bests
50k
(6)
4:43:19
2012
50m
(6)
9:33:17
2009
100k
(2)
14:24:32
2014
100m
(6)
23:33:38
2011
24hr
(1)
100
2015
12hr
(1)
65
2016
6hr
(1)
37.3
2014
Backyard
(1)
79.17
2026
Distance by Year
2026
79
Miles
1 Race
2025
300
Miles
1 Race
2024
100
Miles
1 Race
2023
112
Miles
2 Races
2022
50
Miles
1 Race
2017
31
Miles
1 Race
2016
165
Miles
2 Races
2015
450
Miles
4 Races
2014
199
Miles
3 Races
2013
81
Miles
2 Races
2012
81
Miles
2 Races
2011
200
Miles
2 Races
2010
62
Miles
2 Races
2009
81
Miles
2 Races
Multiple Performances
2nd Place
79.17
Backyard
2nd Place
4:43:19
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+