Craig Duhn
ID 62033
Born : 1976 Cat. M50 Ultrarunner since 2007 USA
37
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
50
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
58,0%
Rank quotient ?This runner's calculation uses 37 eligible race(s): Σ(rank − 1) = 1 872; Σ finishers = 3 229. 1 872 / 3 229 × 100 = 57.97%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed37
Km — ultra races3 656 km
> 100 km11
> 160 km9
> 200 km1
Longest race325,1 km
3rd Tahoe 200 Mile Endurance Run — 9/9/2016

Km per year (ultra races)

161
1 race
2022
2023
50
1 race
2024
50
1 race
2025
2026

Race types (share of distance)

Road7,7%
Trail92,3%

Records

50 km5h09'57100 km11h50'0450 mi10h31'58100 mi24h55'46

HISTORY

37 race(s)
DateRacePerf.Rk
2025
07.06 50km USA8th Crater 50km Trail Run - Driftless Discovery 7:43:28 h43
2024
01.06 50km USA7th Crater 50km Trail Run - Driftless Discovery 8:19:33 h48
2022
11.06 100mi USA27th Kettle Moraine 100 Mile Endurance Run 29:14:36 h112
2019
26.10 50km USA2nd Hawkeye Fallout Race 5:38:21 h13
13.04 50km USA9th Hawkeye 50K Trail Run 5:22:19 h22
2018
27.10 50km USA1st Hawkeye Fallout Race 6:24:17 h18
02.06 100mi USA23rd Kettle Moraine 100 Mile Endurance Run 25:13:49 h64
2016
09.09 202mi USA3rd Tahoe 200 Mile Endurance Run 3d 22:47:20 h64
10.07 50mi USA9th Leadville Silver Rush 50 Mile Run 12:43:29 h271
25.06 100mi USA43rd Western States 100 Mile Endurance Run 28:02:51 h167
04.06 100km USA21st Kettle Moraine 100 km Endurance Run 13:42:15 h19
28.05 100km USA3rd Booneville Backroads Ultra 100 km 11:50:04 h6
30.04 101km USA4th FlatRock 101K Ultra Trail Race 14:41:40 h13
2015
25.10 50km USA4th G.O.A.T.z 50km Trail Run 5:09:57 h25
27.06 50mi USA5th Black Hills 50 Mile Run 12:30:15 h21
06.06 100mi USA20th Kettle Moraine 100 Mile Endurance Run 24:55:46 h51
23.05 100km USA2nd Booneville Backroads Ultra 100 km 12:55:02 h12
25.04 101km USA3rd FlatRock 101K Ultra Trail Race 15:55:50 h9
2013
20.04 100km USA7th Vasque Free State Trail 100 km Run 14:06:08 h32
09.02 50km USA9th Run Toto Run Psycho Wyco 50K 7:12:28 h98
2012
28.10 50km USA1st G.O.A.T.z 50km Trail Run 6:40:36 h66
23.06 100mi USA39th Western States 100 Mile Endurance Run 28:43:55 h256
02.06 100km USA17th Kettle Moraine 100 km Endurance Run 15:13:50 h34
21.04 100km USA6th Vasque Free State Trail 100 km Run 14:08:30 h29
2011
25.06 100mi USA1st Black Hills 100 Mile Run 30:09:26 h15
23.04 100km USA5th Vasque Free State Trail 100 km Run 13:33:12 h21
12.02 50km USA7th Run Toto Run Psycho Wyco 50K 6:54:07 h60
2010
05.06 100mi USA15th Kettle Moraine 100 Mile Endurance Runs 25:59:24 h24
24.04 100km USA4th Vasque Free State Trail 100 km Run 12:20:43 h11
13.02 50km USA6th Run Toto Run Psycho Wyco 50K 6:43:34 h42
2009
06.06 100mi USA14th Kettle Moraine 100 Mile Endurance Run 25:08:42 h48
14.02 50km USA5th Run Toto Run Psycho Wyco 50K 6:02:55 h20
2008
26.04 100km USA2nd Vasque Free State Trail 100 km Run 13:52:35 h19
09.02 50km USA4th Run Toto Run Psycho Wyco 50K 7:16:54 h39
2007
01.09 50mi USA1st The North Face Endurance Challenge Iowa 10:31:58 h39
14.07 50km USA1st Psycho Psummer Run Toto Run 50K 7:21:45 h29
10.02 50km USA3rd Run Toto Run Psycho Wyco 50K 7:50:46 h49