William Mosher (M60)

2026

1 Race | 31 mi.
Distance
50 KM
Overall
10 / 97
Division (M)
8 / 68
5:30:19

2025

2 Races | 93 mi.

Cuyamaca 100k

Oct 4th 2025
| Julian, CA
Distance
100 KM
Overall
33 / 205
Division (M)
32 / 167
12:46:23

Leona Divide

Apr 12th 2025
| Lake Hughes, CA
Distance
50 KM
Overall
71 / 120
Division (M)
43 / 67
7:44:38

2023

1 Race | 62 mi.

Kodiak Ultra Marathons

Oct 14th 2023
| Big Bear Lake, CA
Distance
100 KM
Overall
69 / 162
Division (M)
56 / 123
15:52:33

2022

1 Race | 100 mi.

Rio Del Lago

Nov 5th 2022
| Granite Bay, CA
Distance
100 Miles
Overall
88 / 194
Division (M)
64 / 133
26:35:47

2021

2 Races | 106 mi.

California Fall Classic 100K and 55K

Sep 5th 2021
| Healdsburg, CA
Distance
100 KM
Overall
13 / 46
Division (M)
9 / 31
15:21:17

Tushars Mountain Runs

Jul 31st 2021
| Eagle Point Ski Resort, UT
Distance
70 KM
Overall
16 / 68
Division (M)
12 / 47
11:50:04

2019

1 Race | 100 mi.

San Diego 100

Jun 7th 2019
| Lake Cuyamaca, CA
Distance
100 Miles
Overall
65 / 176
Division (M)
54 / 142
27:37:15

2018

1 Race | 100 mi.

Rio Del Lago

Nov 3rd 2018
| Granite Bay, CA
Distance
100 Miles
Overall
89 / 251
Division (M)
79 / 171
26:12:26

2017

1 Race | 31 mi.

Old Goat

Apr 1st 2017
| Lake Elsinore, CA
Distance
50 KM
Overall
3 / 43
Division (M)
3 / 35
5:56:15

2016

1 Race | 100 mi.

Bryce Canyon

Jun 17th 2016
| Bryce Canyon, UT
Distance
100 Miles
Overall
63 / 103
Division (M)
54 / 84
31:56:29

2015

1 Race | 50 mi.

Old Goat

Mar 21st 2015
| Lake Elsinore, CA
Distance
50 Miles
Overall
6 / 66
Division (M)
6 / 48
9:29:47

2010

1 Race | 50 mi.

Old Goat

Mar 27th 2010
| Lake Elsinore, CA
Distance
50 Miles
Overall
12 / 105
Division (M)
7 / 73
9:31:27

2009

1 Race | 50 mi.

Old Goat

Mar 28th 2009
| Lake Elsinore, CA
Distance
50 Miles
Overall
12 / 84
Division (M)
11 / 62
10:21:12

2008

1 Race | 50 mi.

Old Goat

Apr 12th 2008
| Lake Elsinore, CA
Distance
50 Miles
Overall
8 / 22
Division (M)
6 / 17
10:56:50
15
Races
18y 1m 29d
Longevity
923
Lifetime Miles

Personal Bests

50k (3)
5:30:19
2026
50m (4)
9:29:47
2015
100k (3)
12:46:23
2025
100m (4)
26:12:26
2018

Distance by Year

2026
31 Miles
1 Race
2025
93 Miles
2 Races
2023
62 Miles
1 Race
2022
100 Miles
1 Race
2021
106 Miles
2 Races
2019
100 Miles
1 Race
2018
100 Miles
1 Race
2017
31 Miles
1 Race
2016
100 Miles
1 Race
2015
50 Miles
1 Race
2010
50 Miles
1 Race
2009
50 Miles
1 Race
2008
50 Miles
1 Race

Multiple Performances

2022
64th Place
2018
79th Place
2015
6th Place
2010
7th Place
2009
11th Place
2008
6th Place

Senior Grand Master Course Record

5:30:19

50 KM

11:50:04

70 KM

3rd Place

5:56:15

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+

Weekly Newsletter

A roundup of the week's content and most recent race results. Sent once a week on Thursday.

Recent Results

Orange Curtain
Cerritos, CA - 48 finishers
100 KM | 50 KM | 24 Hours
Table Rock Trail Challenge
Jamesville, NY - 2 finishers
Backyard
River of No Return Endurance Runs
Challis, ID - 164 finishers
108 KM | 55 KM
Old Gabe
Bozeman, MT - 12 finishers
50 KM
Wicked Worm
Grand Rapids, MI - 33 finishers
12 Hours | 6 Hours
Niagara Ultra
Niagara On The Lake, ON - 205 finishers
50 Miles | 50 KM
Tuscazoar Raw
Dover, OH - 53 finishers
100 KM | 50 KM
Catoctin
Frederick, MD - 89 finishers
50 KM
Black Mountain 50k
San Diego, CA - 121 finishers
50 KM
Broken Arrow Skyrace
Olympic Valley, CA - 552 finishers
46 KM
View All Results