David Seidman (X44)
2026
1 Race | 31 mi.Tiger Claw
May 8th 2026
| Issaquah, WA
Distance
50 KM
Overall
54
/ 96
Division (M)
42
/ 72
7:50:11
2025
2 Races | 150 mi.Tillamook Burn Trail Run
May 10th 2025
| Timber, OR
Distance
50 Miles
Overall
106
/ 134
Division (X)
3
/ 3
12:54:32
Orcas Island 100
Feb 21st 2025
| Orcas Island, WA
Distance
100 Miles
Overall
45
/ 52
Division (X)
1
/ 1
35:03:08
2024
3 Races | 331 mi.Teanaway Country 100M/50M/50K
Sep 21st 2024
| Cle Elum, WA
Distance
100 Miles
Overall
33
/ 33
Division (M)
24
/ 24
39:46:00
Bigfoot 200 Endurance Run
Aug 9th 2024
| Mount St. Helens, WA
Distance
200 Miles
Overall
86
/ 134
Division (X)
1
/ 1
84:24:41
Tiger Claw
May 10th 2024
| Issaquah, WA
Distance
50 KM
Overall
39
/ 98
Division (X)
1
/ 1
7:26:09
2023
4 Races | 250 mi.Mountain Lakes 100
Sep 16th 2023
| Olallie Lake, OR
Distance
100 Miles
Overall
79
/ 86
Division (X)
1
/ 1
29:45:23
Tiger Claw
May 13th 2023
| Issaquah, WA
Distance
50 Miles
Overall
12
/ 13
Division (M)
11
/ 11
15:44:41
Capitol Peak
Apr 22nd 2023
| Olympia, WA
Distance
50 Miles
Overall
9
/ 35
Division (M)
9
/ 24
9:27:49
Badger Mountain Challenge
Mar 24th 2023
| Richland, WA
Distance
50 Miles
Overall
1
/ 11
Division (M)
1
/ 10
10:56:24
2022
2 Races | 150 mi.Pine to Palm
Sep 10th 2022
| Williams, OR
Distance
100 Miles
Overall
53
/ 55
Division (M)
42
/ 44
32:38:52
Sun Mountain
May 14th 2022
| Winthrop, WA
Distance
50 Miles
Overall
20
/ 69
Division (M)
15
/ 43
9:39:30
2021
2 Races | 112 mi.Wy'east Trailfest
Jul 31st 2021
| Government Camp, OR
Distance
100 KM
Overall
52
/ 76
Division (M)
44
/ 59
15:39:21
Tillamook Burn Trail Run
May 1st 2021
| Timber, OR
Distance
50 Miles
Overall
83
/ 137
Division (M)
62
/ 97
11:14:14
2014
3 Races | 112 mi.White River 50
Jul 26th 2014
| Crystal Mountain, WA
Distance
50 Miles
Overall
209
/ 249
Division (M)
162
/ 185
12:53:22
Taylor Mountain Trail Run
Jun 28th 2014
| Issaquah, WA
Distance
50 KM
Overall
19
/ 32
Division (M)
12
/ 14
6:49:11
Soaring Eagle Trail Run
May 24th 2014
| Sammamish, WA
Distance
50 KM
Overall
8
/ 13
Division (M)
7
/ 9
5:33:05
2013
1 Race | 31 mi.Cougar Mountain Trail Run Series
Oct 27th 2013
| Bellevue, WA
Distance
50 KM
Overall
21
/ 24
Division (M)
17
/ 20
7:37:47
2011
1 Race | 31 mi.Fort Steilacoom Trail Run
Oct 20th 2011
| Lakewood, WA
Distance
50 KM
Overall
25
/ 36
Division (M)
21
/ 25
6:16:29
19
Races
14y 6m 24d
Longevity
1,199
Lifetime Miles
Personal Bests
50k
(6)
5:33:05
2014
50m
(7)
9:27:49
2023
100k
(1)
15:39:21
2021
100m
(4)
29:45:23
2023
Distance by Year
2026
31
Miles
1 Race
2025
150
Miles
2 Races
2024
331
Miles
3 Races
2023
250
Miles
4 Races
2022
150
Miles
2 Races
2021
112
Miles
2 Races
2014
112
Miles
3 Races
2013
31
Miles
1 Race
2011
31
Miles
1 Race
Multiple Performances
Masters Course Record
12:54:32
50 Miles
3rd Place
12:54:32
50 Miles
Masters Winner
12:54:32
50 Miles
Course Record
35:03:08
100 Miles
Masters Course Record
35:03:08
100 Miles
1st Place
35:03:08
100 Miles
Masters Winner
35:03:08
100 Miles
1st Place
84:24:41
200 Miles
Masters Winner
84:24:41
200 Miles
Course Record
84:24:41
200 Miles
Masters Course Record
84:24:41
200 Miles
1st Place
7:26:09
50 KM
Masters Winner
7:26:09
50 KM
1st Place
29:45:23
100 Miles
Masters Winner
29:45:23
100 Miles
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+