Thomas Orf
ID 47889
Born : 1972 Cat. M50 Ultrarunner since 2009 USA
60
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
65
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
12,1%
Rank quotient ?This runner's calculation uses 75 eligible race(s): Σ(rank − 1) = 717; Σ finishers = 5 942. 717 / 5 942 × 100 = 12.07%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed75
Km — ultra races7 127 km
> 100 km22
> 160 km19
> 24h1
Longest race161,6 km
8th Desert Solstice 24 Hour Run — 9/12/2017

Km per year (ultra races)

435
5 races
2022
161
1 race
2023
84
1 race
2024
2025
80
1 race
2026

Race types (share of distance)

Road4,5%
Trail95,5%

Wins & podiums (ultra)

🏆 Win14
🏆 Win M15
🏅 Top 331
🏅 Top 3 M33
Longest winning streak4
Current streak0

Records

50 km4h11'17100 km9h36'2850 mi7h02'08100 mi15h40'5112 h112,65 km24 h161,60 km

HISTORY

75 race(s) · 1 split(s) nested
DateRacePerf.Rk
2026
04.04 50mi USA27th Hells Hills 50 Mile Race 8:52:16 h2 🥈
2024
27.04 52.4mi USA9th Pandora's Box of Rox 50 Mile 9:51:31 h1 🏆
2023
04.02 100mi USA31st Rocky Raccoon 100 Mile Trail Run 16:35:07 h5
2022
19.11 50mi USA18th Wild Hare 50 Mile Race 8:01:27 h1 🏆
15.10 50mi USA38th Palo Duro 50 Mile Trail Run 8:13:04 h1 🏆
27.08 60km USA16th Capt'n Karl's Trail Series - Reveille Peak Ranch 6:27:35 h2 🥈
06.08 53km USA5th Cloudcroft Ultra Run 6:10:39 h6
05.02 100mi USA30th Rocky Raccoon 100 Mile Trail Run 16:07:20 h3 🥉
2021
20.11 50mi USA17th Wild Hare 50 Mile Race 7:24:28 h1 🏆
25.04 52.4mi USA6th Pandora's Box of Rox 50 Mile 8:19:41 h1 🏆
06.02 100mi USA29th Rocky Raccoon 100 Mile Trail Run 15:40:51 h3 🥉
2020
12.12 12h USA5th The Circus 12 Hour Run 107.826 km1 🏆
08.11 50km USA5th The Hill Country Trivium 4:13:57 h2 🥈
01.02 100mi USA28th Rocky Raccoon 100 Mile Trail Run 16:15:06 h4
19.01 50km USA11th Big Bend 50 - Fresno Creek 50K 4:11:17 h2 🥈
2019
14.12 12h USA4th The Circus 12 Hour Run 112.654 km1 🏆
16.11 50mi USA15th Wild Hare 50 Mile Race 7:24:12 h1 🏆
22.06 60km USA13th Capt'n Karl's Trail Series - Pedernales Falls 5:58:07 h1 🏆
27.04 52.4mi USA4th Pandora's Box of Rox 50 Mile 8:55:38 h1 🏆
06.04 50mi USA19th Hells Hills 50 Mile Race 8:27:14 h4
02.02 100mi USA27th Rocky Raccoon 100 Mile Trail Run 17:17:19 h4
2018
17.11 50mi USA14th Wild Hare 50 Mile Race 7:55:26 h2 🥈
06.10 100mi USA28th Arkansas Traveller 100 20:11:34 h6
04.08 60km USA12th Capt'n Karl's Trail Series - Colorado Bend 6:54:19 h3 🥉
05.05 52.4mi USA3rd Pandora's Box of Rox 50 Mile 9:18:17 h3 🥉
31.03 50km USA18th Hells Hills 50km Race 5:03:14 h6
03.02 100mi USA26th Rocky Raccoon 100 Mile Trail Run 20:12:14 h17
2017
09.12 24h USA8th Desert Solstice 24 Hour Run 161.600 km10
24.06 60km USA11th Capt'n Karl's Trail Series - Pedernales Falls 5:25:09 h1 🏆
01.04 50mi USA17th Hells Hills 50 Mile Race 8:08:24 h3 🥉
25.02 100km USA1st Saddle Blazer 100K 9:36:28 h2 🥈
2016
03.12 12h USA1st The Circus 12 Hour Run 98.169 km1 🏆
27.08 60km USA10th Capt'n Karl's Trail Series - Reveille Peak Ranch 6:43:58 h3 🥉
16.07 60km USA10th Capt'n Karl's Trail Series - Muleshoe Bend 6:13:56 h2 🥈
2015
21.11 50mi USA11th Wild Hare 50 Mile Race 8:07:31 h4
29.08 60km USA9th Capt'n Karl's Trail Series - Reveille Peak Ranch 6:34:15 h3 🥉
08.08 60km USA9th Capt'n Karl's Trail Series - Colorado Bend 7:12:34 h5
25.07 9h USA1st Fossil Valley 9 Hour Trail Extravaganza 73.595 km1 🏆
18.07 60km USA9th Capt'n Karl's Trail Series - Muleshoe Bend 6:34:31 h3 🥉
04.04 50mi USA15th Hells Hills 50 Mile Race 8:18:14 h5
28.02 50mi USA6th Nueces 50 Mile Trail Run 8:39:21 h4
31.01 100mi USA23rd Rocky Raccoon 100 Mile Trail Run - US Championchips 16:57:21 h14
31.01 100mi USA23rd Rocky Raccoon 100 Mile Trail Run 16:57:21 h21
2014
13.12 100mi USA1st Brazos Bend 100 - 100 Mile 15:55:44 h2 🥈
21.11 100mi USA1st Big Cedar Endurance Run 100 Mile 23:10:33 h2 🥈
23.08 100mi USA16th Cascade Crest Classic 100 Mile 26:01:03 h47
19.07 60km USA8th Capt'n Karl's Trail Series - Muleshoe Bend 6:18:47 h5
21.06 60km USA8th Capt'n Karl's Trail Series - Pedernales Falls 5:46:22 h4
26.04 50mi USA1st Brazos Bend 50 - 50 Mile 7:02:08 h7
05.04 50mi trail race USA14th Hells Hills 50 Mile Race 8:41:29 h7
01.03 50mi USA5th Nueces 50 Mile Trail Run 9:25:45 h4
01.02 50mi USA22nd Rocky 50 Mile Trail Run 8:14:10 h24
01.02 100mi USA22nd Rocky Raccoon 100 Mile Trail Run 19:18:04 h30
2013
06.04 50km USA13th Hells Hills 50km Race 4:50:05 h8
13.01 50km USA13th Bandera 50 km Ultratrail 6:15:43 h60
2012
08.12 12h USA4th 12h Run Like The Wind Ultra Distance Race 107.761 km1 🏆
27.10 100mi USA6th Cactus Rose 100 Mile 21:21:54 h4
01.09 60km USA6th Capt'n Karl's Trail Series - Reveille Peak Ranch 6:51:29 h4
07.04 50mi USA12th Hells Hills 50 Mile Race 9:02:22 h10
04.02 100mi USA20th Rocky Raccoon 100 Mile Trail Run 19:20:19 h19
07.01 100km USA12th Bandera 100 km Ultratrail 12:02:09 h22
2011
29.10 100mi USA5th Cactus Rose 100 Mile 22:59:21 h5
27.08 60km USA5th Capt'n Karl's Trail Series - Muleshoe Bend 7:15:50 h10
06.08 60km USA5th Capt'n Karl's Trail Series - Pedernales Falls 6:45:40 h9
16.07 60km USA2nd Captn Karls - the Lake 7:42:59 h8
02.04 50km USA11th Hells Hills 50km Race 5:10:19 h7
2010
20.11 50mi USA6th Wild Hare 50 Mile Race 8:14:07 h4
30.10 50mi USA4th Cactus Rose 50 Mile 13:03:58 h29
04.09 60km USA4th Capt'n Karl's Trail Series - Muleshoe Bend 60km 7:07:12 h4
14.08 60km USA4th Capt'n Karl's Trail Series - Pedernales Falls 60km 7:01:26 h6
24.07 60km USA1st Captn Karls - the Lake 7:55:22 h13
03.04 50km USA10th Hells Hills 50km Race 5:38:30 h29
06.02 100mi USA18th Rocky Raccoon 100 Mile Trail Run 26:38:48 h123
2009
10.10 100mi USA10th Heartland 100 Mile Race 25:27:03 h20
10.01 100km USA9th Bandera 100 km Ultratrail 18:15:35 h99