James Howton
ID 23290
Born : 1974 Cat. M50 Ultrarunner since 2003 USA
56
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
68
DUV-index+ ?Largest integer N such that the race distances provide at least N complete segments of N km in total. A single long race may therefore contribute several segments. See the DUV-Index tab for the detailed calculation. calculation details
1
Countries visited ?USAUnited States
23,4%
Rank quotient ?This runner's calculation uses 108 eligible race(s): Σ(rank − 1) = 3 255; Σ finishers = 13 885. 3 255 / 13 885 × 100 = 23.44%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed108
Km — ultra races8 576 km
> 100 km17
> 160 km16
> 24h3
Longest race164,2 km
7th Last One Standing Ultra Marathon — 6/12/2024

Km per year (ultra races)

979
10 races
2022
738
9 races
2023
1 031
15 races
2024
732
9 races
2025
859
11 races
2026

Race types (share of distance)

Road7,1%
Trail89,8%
Elim.3,0%

Wins & podiums (ultra)

🏆 Win4
🏆 Win M4
🏅 Top 315
🏅 Top 3 M16
Longest winning streak1
Current streak0

Records

50 km4h24'59100 km11h51'0050 mi7h29'23100 mi19h37'2012 h105,27 km24 h163,22 km

HISTORY

109 race(s)
DateRacePerf.Rk
2026
19.09 100mi USA15th Idaho Mountain Trail Ultra Festival (IMTUF 100) 31:27:32 h48
08.08 50mi USA9th UTE 50 Mile Trail Race 13:59:00 h8
24.07 50km USA19th Speedgoat 50k 9:21:56 h202
06.06 50km USA3rd Rose Canyon Ultra 5:53:19 h7
30.05 68km USA7th Twisted Fork Run 9:45:58 h41
11.04 100km USA23rd Desert Rats Trail Running Festival 100 km 13:16:43 h61
28.03 50km USA13th Behind the Rocks 50km Race 5:56:00 h23
27.02 100km USA8th Grandmaster Ultras 100 km Run 11:51:00 h1 🏆
31.01 50km USA9th Arches Ultra 50 km Race 5:14:32 h16
17.01 100km USA16th Coldwater Rumble 100 km Race 13:42:01 h12
03.01 50km USA16th Croom Zoom 50 km Run 5:15:48 h6
2025
15.11 50km USA11th Dead Horse 50 km Race 4:56:09 h55
01.11 12h USA2nd Liberty Park Endurance 12h Runs 105.270 km2 🥈
17.10 50mi USA20th Pony Express Trail 50 Mile 8:14:20 h4
09.08 55km USA11th Skyline Mountain Marathon 55K 6:51:41 h14
31.05 50km USA3rd Salt Lake Foothill Trail Races 6:40:37 h43
02.05 100mi USA15th Salt Flats 100 Mile 20:50:48 h2 🥈
12.04 100km USA14th The Zion 100 km Run 13:17:13 h22
29.03 50mi USA20th Antelope Island Buffalo Run 50 Mile 8:50:45 h22
22.03 50km USA12th Behind the Rocks 50km Race 5:47:35 h28
2024
06.12 26h USA7th Last One Standing Ultra Marathon 164.153 km1 🏆
02.11 50km USA13th Antelope Island Fall Classic 50K 5:06:14 h17
05.10 50mi USA3rd DC Peaks 50 Mi 11:42:37 h29
17.08 50mi USA5th White Pine 50 Mile Backcountry Run 11:39:25 h18
10.08 55km USA10th Skyline Mountain Marathon 55K 6:55:19 h9
20.07 50km USA17th Speedgoat 50k 9:06:26 h179
06.07 50km USA16th Silverton Alpine 50K 6:20:21 h58
22.06 55km USA3rd White Pine Solstice Runs 10:42:19 h11
08.06 50mi USA28th Snow Peaks 50 Mile Trail Run 11:42:35 h19
25.05 50km USA3rd Connor's Claims 50 km Ultra 8:10:50 h13
11.05 50km USA2nd Salt Lake Foothill Trail Races 5:56:18 h24
03.05 50mi USA14th Salt Flats 50 Mile 7:29:23 h2 🥈
13.04 50km USA2nd Serengeti Trail Races 5:41:50 h4
02.03 55km USA15th Red Mountain 55K 5:12:13 h17
27.01 50mi USA7th Arches Ultra 50 Mile Race 8:57:12 h17
2023
28.12 24h USA39th Across the Years, 24h 163.224 km8
08.12 26h USA6th Last One Standing Ultra Marathon 96.560 km28
25.11 10h USA3rd Tooele Turkey Trail Trot 31.382 km10
03.11 50km USA12th Antelope Island Fall Classic 50K 5:00:13 h15
29.09 100mi USA25th The Bear 100 Mile Endurance Run 28:25:54 h74
16.09 50km USA7th Crimson Canyon 50 km Ultramarathon 5:59:42 h3 🥉
12.08 55km USA9th Skyline Mountain Marathon 55K 7:10:03 h13
08.07 81.3km USA16th Leadville Silver Rush 50 Mile Run 10:35:07 h151
24.06 50km USA4th Bears Ears 50 km Ultra Race 7:02:21 h27
2022
09.09 100mi USA43th Wasatch Front 100 Mile 31:40:49 h66
13.08 55km USA8th Skyline Mountain Marathon 55K 6:42:33 h6
23.07 50km USA15th Speedgoat 50k 9:10:27 h149
24.06 100mi USA12th Black Hills 100 Mile Run 29:28:55 h18
28.05 50km USA10th Bryce 50 km Trail Run 6:56:26 h9
21.05 50km USA2nd Connor's Claims 50 km Ultra 7:20:42 h8
06.05 100mi USA12th Salt Flats 100 Mile 19:58:12 h2 🥈
26.03 50km USA9th Behind the Rocks 50km Race 6:01:46 h43
20.02 100mi USA9th Jackpot Ultra Running Festival 100 Mile Race 19:37:20 h5
29.01 50mi USA5th Arches Ultra 50 Mile Race 8:59:53 h19
2021
15.10 50mi USA16th Pony Express Trail 50 Mile 8:07:03 h3 🥉
28.08 50mi USA2nd White Pine 50 Mile Backcountry Run 11:08:25 h13
14.08 55km USA7th Skyline Mountain Marathon 55K 7:07:42 h15
07.08 100km USA20th Katcina Mosa 100K Mountain Run 14:55:07 h7
31.07 55km USA12th Grand Mesa 55 km Trail Race 7:19:29 h21
24.07 50km USA14th Speedgoat 50k 8:28:46 h64
30.04 50mi USA11th Salt Flats 50 Mile 7:40:02 h3 🥉
26.03 100mi USA16th Antelope Island Buffalo Run 100 Mile 20:04:09 h7
06.03 55km USA12th Red Mountain 55K 7:47:37 h54
16.01 100mi USA11th Coldwater Rumble 100 Mile Race 21:21:14 h7
2020
16.10 100mi USA15th Pony Express Trail 100 Mile 20:41:59 h3 🥉
26.09 50km USA4th Crimson Canyon 50 km Ultramarathon 6:23:22 h6
22.02 12h USA2nd Running Up For Air - Malans Peak 67.592 km2 🥈
15.02 55km USA14th Moab Red Hot 55k 5:52:00 h51
2019
16.11 50km USA9th Antelope Island Fall Classic 50K 4:41:19 h18
16.11 50mi USA5th Dead Horse 50 Mile Race 9:21:26 h44
05.10 50mi USA1st Bogus 50 Mile Race 11:41:32 h11
10.08 55km USA5th Skyline Mountain Marathon 55K 7:19:27 h13
29.06 64km USA2nd Twisted Fork Run 8:16:05 h28
2018
17.11 50km USA8th Antelope Island Fall Classic 50K 4:45:40 h22
2017
03.06 50mi USA21st Snow Peaks 50 Mile Trail Run 12:47:32 h76
28.04 100mi USA7th Salt Flats 100 Mile 20:43:40 h4
07.04 100km USA6th The Zion 100 km Run 13:52:51 h23
18.03 50mi USA12th Antelope Island Buffalo Run 50 Mile 9:23:22 h16
25.02 55km USA4th Antelope Canyon 55 km Race 6:22:00 h29
2016
05.11 50km USA6th Antelope Island Fall Classic 50K 4:49:07 h18
21.10 50mi USA11th Pony Express Trail 50 Mile 7:42:02 h2 🥈
09.07 50km USA2nd Capitol Reef 50K 7:25:02 h11
25.06 28mi USA9th Logan Peak 28 Mile Trail Race 5:29:27 h35
04.06 50mi USA20th Snow Peaks 50 Mile Trail Run 11:18:09 h45
29.04 50km USA6th Salt Flats 50 km 4:26:51 h2 🥈
16.01 50km USA1st Valley of Fire Backcountry 50 km Trailrace 4:24:59 h1 🏆
2015
14.11 50km USA5th Antelope Island Fall Classic 50K 5:22:02 h46
2007
16.06 100mi USA18th Mohican Trail 100 Mile 21:28:22 h13
24.03 50mi USA8th Grasslands 50 Mile Trail Run 8:54:27 h6
10.03 50mi USA26th Carl Touchstone Memorial Mississippi Trail 50 Mile 8:38:47 h10
03.03 50mi USA1st Delano Park 12 Hour Run - 50mi Split 8:09:00 h4
03.03 12h USA1st Delano Park 12 Hour Run 80.467 km15
10.02 50km USA13th East Texas Ultra Runners 50K 5:09:31 h10
13.01 50km USA7th Bandera 50 km Ultratrail 5:58:21 h16
2006
03.06 100mi USA27th Old Dominion 100 Mile Endurance Run 20:11:39 h1 🏆
29.04 50km USA6th Promise Land 50K++ 6:38:02 h47
25.03 50km USA18th The HAT Run 50K 4:47:00 h42
11.02 50km USA11th Holiday Lake 50K++ 6:04:44 h72
04.02 100mi USA14th Rocky Raccoon 100 Mile Trail Run 20:33:12 h21
2005
10.12 100km USA3rd Hellgate 100 km 17:12:19 h36
19.11 50mi USA43rd JFK 50 Mile 8:30:43 h94
15.10 50mi USA23th Mountain Masochist 50 Mile Trail Run 10:16:52 h88
17.09 100km USA3rd Great Eastern Endurance Run 100 km 13:38:55 h16
2004
12.06 40mi USA2nd Highlands Sky 40M Trail Run 10:22:19 h69
29.05 50mi USA3rd Old Dominion Memorial Day Race 50 Mile 9:13:00 h16
17.04 50mi USA12th Bull Run Run 50 Miler 10:35:10 h118
27.03 50km USA16th The HAT Run 50K 6:03:26 h174
15.02 50km USA9th Holiday Lake 50K++ 6:06:36 h90
2003
22.11 50km USA1st Derby 50k Ultra Run 5:14:33 h20