Seth Swanson (M47)
2026
1 Race | 28 mi.Running Up for Air (MT) - Mt. Sentinel
Feb 7th 2026
| Missoula, MT
Duration
6 Hours
Overall
1
/ 1
Division (M)
1
/ 1
28
2025
1 Race | 31 mi.Rut Mountain Runs
Sep 14th 2025
| Big Sky, MT
Distance
50 KM
Overall
13
/ 523
Division (M)
12
/ 357
6:31:30
2024
2 Races | 150 mi.Crazy Mountain 100
Jul 26th 2024
| Lennep, MT
Distance
100 Miles
Overall
1
/ 145
Division (M)
1
/ 120
22:08:45
Scout Mountain Ultra Trail
Jun 8th 2024
| Pocatello, ID
Distance
50 Miles
Overall
2
/ 47
Division (M)
2
/ 27
9:35:56
2023
1 Race | 100 mi.Bighorn
Jun 17th 2023
| Dayton, WY
Distance
100 Miles
Overall
3
/ 191
Division (M)
3
/ 158
20:21:23
2022
1 Race | 67 mi.River of No Return Endurance Runs
Jun 18th 2022
| Challis, ID
Distance
108 KM
Overall
1
/ 32
Division (M)
1
/ 26
12:44:39
2021
1 Race | 34 mi.Beaverhead Endurance Runs
Jul 10th 2021
| Salmon, ID
Distance
55 KM
Overall
1
/ 165
Division (M)
1
/ 91
5:36:14
2019
2 Races | 131 mi.Rut Mountain Runs
Sep 1st 2019
| Big Sky, MT
Distance
50 KM
Overall
4
/ 414
Division (M)
4
/ 302
5:52:44
Bighorn
Jun 14th 2019
| Dayton, WY
Distance
100 Miles
Overall
1
/ 187
Division (M)
1
/ 154
19:30:05
2018
2 Races | 131 mi.Run Rabbit Run
Sep 14th 2018
| Steamboat Springs, CO
Distance
100 Miles
Overall
6
/ 206
Division (M)
6
/ 170
20:42:03
Woodside Crossover
Apr 7th 2018
| Woodside, CA
Distance
50 KM
Overall
1
/ 79
Division (M)
1
/ 50
3:46:07
2017
1 Race | 31 mi.Rut Mountain Runs
Sep 3rd 2017
| Big Sky, MT
Distance
50 KM
Overall
7
/ 379
Division (M)
7
/ 273
5:56:55
2016
1 Race | 31 mi.The North Face Endurance Challenge Calif...
Dec 3rd 2016
| Marin, CA
Distance
50 KM
Overall
4
/ 515
Division (M)
4
/ 297
4:16:57
2015
3 Races | 212 mi.Western States 100
Jun 27th 2015
| Olympic Valley, CA
Distance
100 Miles
Overall
2
/ 254
Division (M)
2
/ 201
15:17:28
Lake Sonoma 100K & 50K
Apr 11th 2015
| Healdsburg, CA
Distance
50 Miles
Overall
6
/ 278
Division (M)
6
/ 209
6:46:01
Sean O'Brien 100k/50M/50k
Feb 7th 2015
| Malibu, CA
Distance
100 KM
Overall
2
/ 93
Division (M)
2
/ 69
8:57:06
2014
3 Races | 250 mi.Cascade Crest
Aug 23rd 2014
| Easton, WA
Distance
100 Miles
Overall
1
/ 105
Division (M)
1
/ 83
17:56:50
Western States 100
Jun 28th 2014
| Olympic Valley, CA
Distance
100 Miles
Overall
2
/ 296
Division (M)
2
/ 241
15:19:39
Capitol Peak
Apr 26th 2014
| Olympia, WA
Distance
50 Miles
Overall
1
/ 76
Division (M)
1
/ 54
6:31:49
2013
5 Races | 339 mi.Rampage the Roots
Aug 23rd 2013
| Pony, MT
Distance
100 Miles
Overall
1
/ 12
Division (M)
1
/ 10
19:40:00
Mystery Ranch Ultra Marathons
Aug 23rd 2013
| PONY, MT
Distance
100 Miles
Overall
1
/ 12
Division (M)
1
/ 10
19:40:00
Angels Staircase
Aug 11th 2013
| Carlton, WA
Distance
60 KM
Overall
2
/ 75
Division (M)
2
/ 55
5:30:28
Devil's Backbone
Jul 13th 2013
| Bozeman, MT
Distance
50 Miles
Overall
1
/ 21
Division (M)
1
/ 18
8:24:00
Bighorn
Jun 15th 2013
| Dayton, WY
Distance
52 Miles
Overall
1
/ 145
Division (M)
1
/ 94
7:17:05
2012
6 Races | 274 mi.IMTUF 100 - Idaho Mountain Trail Ultra F...
Oct 6th 2012
| McCall, ID
Distance
100 Miles
Overall
1
/ 16
Division (M)
1
/ 11
21:06:36
Thunderbolt Creek
Jun 30th 2012
| Helena, MT
Distance
50 KM
Overall
1
/ 28
Division (M)
1
/ 17
4:01:04
Sun Mountain
May 20th 2012
| Winthrop, WA
Distance
50 Miles
Overall
1
/ 56
Division (M)
1
/ 35
6:08:32
Gorge Waterfalls
Mar 25th 2012
| Cascade Locks, OR
Distance
50 KM
Overall
2
/ 211
Division (M)
2
/ 118
3:29:33
Orcas Island 50k
Feb 4th 2012
| Orcas Island, WA
Distance
50 KM
Overall
1
/ 170
Division (M)
1
/ 112
4:28:58
Wilson Creek Frozen 50K
Jan 21st 2012
| Melba, ID
Distance
50 KM
Overall
1
/ 43
Division (M)
1
/ 35
5:08:02
2011
3 Races | 111 mi.Le Grizz
Oct 8th 2011
| Polebridge, MT
Distance
50 Miles
Overall
1
/ 74
Division (M)
1
/ 53
5:57:39
Orcas Island 50k
Feb 5th 2011
| Orcas Island, WA
Distance
50 KM
Overall
2
/ 129
Division (M)
2
/ 90
4:59:39
Capitol Peak Mega Fat Ass
Jan 15th 2011
| Olympia, WA
Distance
30 Miles
Overall
3
/ 43
Division (M)
3
/ 33
5:10:00
33
Races
15y 0m 27d
Longevity
1,921
Lifetime Miles
Personal Bests
50k
(10)
3:29:33
2012
50m
(6)
5:57:39
2011
100k
(1)
8:57:06
2015
100m
(10)
15:17:28
2015
6hr
(1)
28
2026
Distance by Year
2026
28
Miles
1 Race
2025
31
Miles
1 Race
2024
150
Miles
2 Races
2023
100
Miles
1 Race
2022
67
Miles
1 Race
2021
34
Miles
1 Race
2019
131
Miles
2 Races
2018
131
Miles
2 Races
2017
31
Miles
1 Race
2016
31
Miles
1 Race
2015
212
Miles
3 Races
2014
250
Miles
3 Races
2013
339
Miles
5 Races
2012
274
Miles
6 Races
2011
111
Miles
3 Races
Multiple Performances
Masters Winner
6:31:30
50 KM
1st Place
22:08:45
100 Miles
Masters Winner
22:08:45
100 Miles
2nd Place
9:35:56
50 Miles
3rd Place
20:21:23
100 Miles
Masters Course Record
12:44:39
108 KM
Masters Winner
12:44:39
108 KM
1st Place
12:44:39
108 KM
Masters Winner
5:36:14
55 KM
Masters Course Record
5:36:14
55 KM
1st Place
5:36:14
55 KM
Masters Winner
5:52:44
50 KM
1st Place
19:30:05
100 Miles
Course Record
3:46:07
50 KM
1st Place
3:46:07
50 KM
2nd Place
15:17:28
100 Miles
2nd Place
8:57:06
100 KM
1st Place
17:56:50
100 Miles
2nd Place
15:19:39
100 Miles
1st Place
6:31:49
50 Miles
Course Record
6:31:49
50 Miles
2nd Place
5:30:28
60 KM
1st Place
7:17:05
52 Miles
Course Record
7:17:05
52 Miles
Course Record
7:17:05
50 Miles
1st Place
4:01:04
50 KM
1st Place
6:08:32
50 Miles
Course Record
6:08:32
50 Miles
2nd Place
3:29:33
50 KM
1st Place
4:28:58
50 KM
1st Place
5:08:02
50 KM
1st Place
5:57:39
50 Miles
2nd Place
4:59:39
50 KM
3rd Place
5:10:00
30 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+

