Samuel Cooper (M40)

2026

5 Races | 255 mi.

Quicksilver

May 9th 2026
| San Jose, CA
Distance
100 KM
Overall
37 / 179
Division (M)
33 / 142
12:44:10

Gorge Waterfalls

Apr 11th 2026
| Cascade Locks, OR
Distance
100 KM
Overall
73 / 305
Division (M)
59 / 236
12:36:56

Marin Ultra Challenge

Mar 14th 2026
| Sausalito, CA
Distance
50 Miles
Overall
18 / 175
Division (M)
16 / 123
9:16:10

Monterey Ultra

Feb 7th 2026
| Monterey, CA
Distance
50 Miles
Overall
12 / 131
Division (M)
10 / 93
8:51:19

Jed Smith

Jan 31st 2026
| Sacramento, CA
Distance
50 KM
Overall
13 / 51
Division (M)
9 / 38
4:20:16

2025

14 Races | 918 mi.

New Year's One Day

Dec 31st 2025
| San Jose, CA
Duration
24 Hours
Overall
6 / 29
Division (M)
3 / 16
72.21

Hunter S. Thompson Fear & Loathing

Dec 7th 2025
| San Francisco, CA
Distance
50 KM
Overall
33 / 97
Division (M)
26 / 70
6:09:00

Quad Dipsea

Nov 29th 2025
| Mill Valley, CA
Distance
28.4 Miles
Overall
57 / 259
Division (M)
50 / 193
5:37:06

Ruth Anderson

Oct 11th 2025
| San Francisco, CA
Distance
50 KM
Overall
13 / 51
Division (M)
10 / 38
4:36:25

The Bear 100

Sep 26th 2025
| Logan, UT
Distance
100 Miles
Overall
163 / 252
Division (M)
132 / 192
32:44:57

CTR - Diablo Trail Run

Sep 7th 2025
| Clayton, CA
Distance
50 KM
Overall
11 / 29
Division (M)
9 / 22
7:18:05

Wyoming Range 100-Mile Endurance Run

Aug 8th 2025
| Hoback, WY
Distance
100 Miles
Overall
40 / 55
Division (M)
30 / 41
43:21:14

Crazy Mountain 100

Jul 25th 2025
| Lennep, MT
Distance
100 Miles
Overall
72 / 146
Division (M)
59 / 116
32:00:22

Dirty Dozen and Half Dozen Endurance Run

Jul 12th 2025
| Pinole, CA
Duration
12 Hours
Overall
1 / 56
Division (M)
1 / 25
69.07

Bighorn

Jun 21st 2025
| Dayton, WY
Distance
100 Miles
Overall
32 / 208
Division (M)
29 / 178
26:40:28

Scout Mountain Ultra Trail

Jun 6th 2025
| Pocatello, ID
Distance
100 Miles
Overall
10 / 45
Division (M)
7 / 30
29:16:22

Miwok

May 3rd 2025
| Stinson Beach, CA
Distance
100 KM
Overall
46 / 260
Division (M)
39 / 183
11:46:42

Diablo Trails Challenge

Apr 5th 2025
| Walnut Creek, CA
Distance
50 KM
Overall
8 / 106
Division (M)
8 / 75
5:49:46

Sonoma Fall Classic

Feb 1st 2025
| Healdsburg, CA
Distance
100 KM
Overall
12 / 42
Division (M)
10 / 37
13:48:55

2024

9 Races | 721 mi.

New Year's One Day

Dec 31st 2024
| San Jose, CA
Duration
24 Hours
Overall
1 / 29
Division (M)
1 / 15
113.48

Doomsday

Dec 21st 2024
| Cool, CA
Distance
50 KM
Overall
1 / 71
Division (M)
1 / 39
5:33:44

Quad Dipsea

Nov 30th 2024
| Mill Valley, CA
Distance
28.4 Miles
Overall
79 / 265
Division (M)
65 / 191
5:49:17

Dirty Dozen and Half Dozen Endurance Run

Jul 13th 2024
| Pinole, CA
Duration
12 Hours
Overall
2 / 72
Division (M)
1 / 36
69.49

Broken Arrow Skyrace

Jun 22nd 2024
| Olympic Valley, CA
Distance
46 KM
Overall
187 / 499
Division (M)
136 / 335
7:51:12

Cocodona

May 6th 2024
| Black Canyon City, AZ
Distance
250 Miles
Overall
89 / 201
Division (M)
73 / 154
104:02:12

Lake Sonoma 100K & 50K

Apr 13th 2024
| Healdsburg, CA
Distance
50 Miles
Overall
35 / 157
Division (M)
23 / 107
10:27:02

Antelope Canyon Ultras

Mar 9th 2024
| Page, AZ
Distance
100 Miles
Overall
13 / 36
Division (M)
10 / 28
27:25:21

Monterey Ultra

Jan 27th 2024
| Monterey, CA
Distance
50 Miles
Overall
6 / 58
Division (M)
6 / 35
8:55:17

2023

10 Races | 500 mi.

Quad Dipsea

Nov 25th 2023
| Mill Valley, CA
Distance
28.4 Miles
Overall
60 / 338
Division (M)
51 / 252
5:25:58

Kodiak Ultra Marathons

Oct 13th 2023
| Big Bear Lake, CA
Distance
100 Miles
Overall
88 / 147
Division (M)
75 / 122
32:14:41

Berkeley Trail Adventure

Sep 16th 2023
| Berkeley, CA
Distance
50 KM
Overall
15 / 62
Division (M)
13 / 51
5:44:15

Headlands

Aug 12th 2023
| Sausalito, CA
Distance
50 Miles
Overall
14 / 31
Division (M)
13 / 26
10:30:26

San Lorenzo River Trail Run

Jul 15th 2023
| Santa Cruz, CA
Distance
50 KM
Overall
9 / 37
Division (M)
9 / 26
6:23:34

Dirty Dozen and Half Dozen Endurance Run

Jul 8th 2023
| Pinole, CA
Duration
12 Hours
Overall
4 / 62
Division (M)
2 / 34
66.55

Canyons Endurance Runs

Apr 28th 2023
| Auburn, CA
Distance
100 Miles
Overall
84 / 127
Division (M)
71 / 107
29:00:54

Diablo Trails Challenge

Apr 8th 2023
| Walnut Creek, CA
Distance
50 KM
Overall
25 / 110
Division (M)
22 / 75
6:48:28

Placer Trail Running Festival

Apr 1st 2023
| Auburn, CA
Distance
50 KM
Overall
23 / 46
Division (M)
17 / 33
6:28:44

Golden Gate (Winter)

Feb 4th 2023
| Rodeo Beach, CA
Distance
50 KM
Overall
17 / 42
Division (M)
15 / 33
6:34:05

2022

1 Race | 62 mi.

Eagle Up Ultra

Jun 4th 2022
| Canal Fulton, OH
Distance
100 KM
Overall
47 / 71
Division (M)
29 / 35
17:38:54
39
Races
3y 11m 10d
Longevity
2,457
Lifetime Miles

Personal Bests

50k (11)
4:20:16
2026
50m (5)
8:51:19
2026
100k (5)
11:46:42
2025
100m (8)
26:40:28
2025
24hr (2)
113.48
2024
12hr (3)
69.49
2024

Distance by Year

2026
255 Miles
5 Races
2025
918 Miles
14 Races
2024
721 Miles
9 Races
2023
500 Miles
10 Races
2022
62 Miles
1 Race

Multiple Performances

2026
10th Place
2024
6th Place
2025
3rd Place
2024
1st Place
2025
50th Place
2024
65th Place
2023
51st Place
2025
8th Place
2023
22nd Place

72.21

24 Hours

72.21

24 Hours

113.48

24 Hours

1st Place

5:33:44

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

Worlds End Ultramarathons
Forksville, PA - 299 finishers
100 KM | 50 KM
Rabid Raccoon 100
Beaver Falls, PA - 275 finishers
100 Miles | 100 KM
Blackfoot Ultra
Edmonton, AB - 124 finishers
100 KM | 50 Miles | 50 KM
Mohican Trail Run
Loudonville, OH - 251 finishers
100 Miles | 50 Miles
Cinderella Trail - Spring
Oakland, CA - 28 finishers
50 KM
Coz's Backyard Ultra
Holland Patent, NY - 16 finishers
Backyard
Salt Lake Foothills Trail Races
Salt Lake City, UT - 84 finishers
50 Miles | 50 KM
North Fork 50 Mile/50K
Pine, CO - 255 finishers
50 Miles | 50 KM
Chesterfield Gorge Ultra
West Chesterfield, MA - 120 finishers
100 Miles | 100 KM | 50 Miles | 50 KM
View All Results