Nathan Stroh
ID 442122
Born : 1972 Cat. M50 Ultrarunner since 2013 USA
50
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
53
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
7,8%
Rank quotient ?This runner's calculation uses 61 eligible race(s): Σ(rank − 1) = 526; Σ finishers = 6 773. 526 / 6 773 × 100 = 7.77%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed61
Km — ultra races4 957 km
> 100 km10
> 160 km10
> 200 km1
> 24h1
Longest race205,3 km
2nd Elijah Bristow 24 Hour Run — 13/6/2015

Km per year (ultra races)

2022
2023
2024
64
1 race
2025
2026

Race types (share of distance)

Trail100,0%

Wins & podiums (ultra)

🏆 Win6
🏆 Win M6
🏅 Top 320
🏅 Top 3 M22
Longest winning streak1
Current streak0

Records

50 km3h51'09100 km10h14'1550 mi6h37'35100 mi19h43'0724 h205,32 km

HISTORY

61 race(s)
DateRacePerf.Rk
2025
13.04 40mi USA22nd Peterson Ridge Rumble 40 Mile Trail Run 6:02:27 h6
2021
31.07 50km USA4th Wy'east Howl 50km Race 5:19:20 h6
11.07 50km USA23th Mt. Hood 50 km Trail Run 3:51:09 h1 🏆
26.06 100mi USA48th Western States 100 Mile Endurance Run 23:54:56 h57
08.05 50km USA26th McDonald Forest 50K Trail Run 4:47:09 h5
11.04 36mi USA19th Peterson Ridge Rumble 40 Mile Trail Run 4:33:31 h10
26.03 100mi USA11th Badger Mountain 100 Mile Challenge 19:52:18 h4
06.02 50km USA9th Bristow Trail Run 3:54:23 h4
2020
25.07 53mi USA4th Elkhorn Crest 50 11:32:10 h8
07.03 50km USA31st Way Too Cool 50K Endurance Run 3:57:09 h25
01.02 50km USA8th Bristow Trail Run 3:58:08 h1 🏆
2019
14.09 100mi USA18th Plain 100 Mile Endurance Run 29:16:00 h4
17.08 100km USA18th Waldo 100K Trail Run 10:52:10 h6
13.07 100km USA21st Siskiyou Out Back 100 km Trail Run 11:32:00 h8
22.06 50mi USA2nd Old Cascadia 50 Mile Race 9:40:38 h5
18.05 50km USA2nd Spence Mountain Run 4:23:19 h5
20.04 50km USACastle Crags 50k 6:30:14 h31
29.03 50km USA9th Badger Mountain 50 km Challenge 4:59:37 h5
2018
25.08 100mi USA20th Cascade Crest Classic 100 Mile 23:27:57 h17
07.07 50mi USA2nd Ochoco Trail Run 50M 8:31:47 h2 🥈
19.05 50km USA3rd Sasquatch 50k 5:18:39 h6
05.05 50km USA3rd Lost Creek Trail Run 4:20:37 h2 🥈
30.03 50mi USA8th Badger Mountain 50 Mile Challenge 7:17:56 h2 🥈
03.02 50km USA6th Bristow Trail Run 3:59:21 h1 🏆
2017
09.12 50km USA8th Frozen Trail Runfest 4:28:08 h2 🥈
07.10 50km USA4th Oregon Coast 50k 4:20:24 h6
19.08 100km USA16th Waldo 100K Trail Run 10:53:04 h7
15.07 100mi USA16th Tahoe Rim Trail 100M Endurance Run 21:24:08 h7
20.05 50km USA2nd Sasquatch 50k 5:02:02 h2 🥈
22.04 50km USA2nd Lost Creek Trail Run 4:32:52 h3 🥉
09.04 40mi USA15th Peterson Ridge Rumble 40 Mile Trail Run 4:48:16 h4
24.03 50mi USA7th Badger Mountain 50 Mile Challenge 7:35:21 h2 🥈
04.02 50km USA5th Bristow Trail Run 4:19:45 h2 🥈
2016
24.09 50km USA2nd Swiftwater 50k 5:04:37 h5
17.09 100mi USA5th Idaho Mountain Trail Ultra Festival (IMTUF 100) 26:20:53 h11
20.08 100km USA15th Waldo 100K Trail Run 11:33:10 h4
07.05 100km USA3rd The Canyons Endurance 100 km Run 12:59:07 h32
23.04 50km USA1st Lost Creek Trail Run 4:56:35 h2 🥈
10.04 40mi USA14th Peterson Ridge Rumble 40 Mile Trail Run 5:07:14 h6
25.03 100mi USA6th Badger Mountain 100 Mile Challenge 21:03:22 h3 🥉
06.02 50km USA4th Bristow Trail Run 4:11:50 h1 🏆
2015
07.11 100mi USA15th Rio Del Lago 100 Mile Endurance Run 19:43:07 h13
03.10 50km USA1st Swiftwater 50k 4:24:50 h1 🏆
22.08 100km USA14th Waldo 100K Trail Run 10:14:15 h3 🥉
25.07 50mi USA17th Siskiyou Out Back 50 Miles Trail Run 7:23:24 h4
11.07 50mi USA17th Mt. Hood 50 Mile Trail Run 6:37:35 h4
13.06 24h USA2nd Elijah Bristow 24 Hour Run 205.323 km1 🏆
09.05 50km USA20th McDonald Forest 50K Trail Run 4:41:54 h6
02.05 50km USA2nd The Canyons Endurance 50 km Run 5:27:39 h5
12.04 40mi USA13th Peterson Ridge Rumble 40 Mile Trail Run 4:42:45 h4
28.03 100km USA5th Gorge Waterfalls 100k 11:08:13 h17
2014
06.12 50mi USA8th Endurance Challenge - California Trail 50 Mile 8:31:03 h81
21.09 50km USA5th Flagline Trail Fest 50K 6:20:13 h80
13.09 100mi USA5th Pine to Palm 100 Mile Endurance Run 20:26:44 h4
23.08 50km USA2nd Headwaters Trail Run 50K 4:36:34 h2 🥈
26.07 50mi USA16th Siskiyou Out Back 50 Miles Trail Run 7:30:45 h2 🥈
12.07 50mi USA16th Mt. Hood 50 Mile Trail Run 6:56:38 h3 🥉
13.04 40mi USA12th Peterson Ridge Rumble 40 Mile Trail Run 5:07:43 h8
15.02 50km USA14th Hagg Lake Trail Runs 50K 4:39:22 h20
2013
27.07 50km USA15th Siskiyou Out Back 50 km Trail Run 4:12:43 h4
14.04 40mi USA11th Peterson Ridge Rumble 40 Mile Trail Run 5:09:39 h5