Randy Duncan
ID 37189
Born : 1961 Cat. M65 Ultrarunner since 2008 CAN
50
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
77
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
3
Countries visited ?CANCanadaGBRUnited KingdomUSAUnited States
51,7%
Rank quotient ?This runner's calculation uses 60 eligible race(s): Σ(rank − 1) = 4 038; Σ finishers = 7 804. 4 038 / 7 804 × 100 = 51.74%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed64
Km — ultra races7 219 km
> 100 km28
> 160 km26
> 200 km2
> 24h1
Longest race383,0 km
1st Moab 240 Endurance Run — 13/10/2017

Km per year (ultra races)

161
1 race
2022
370
3 races
2023
222
2 races
2024
97
1 race
2025
80
1 race
2026

Race types (share of distance)

Road1,8%
Trail93,8%
Stage4,4%

Records

50 km4h52'29100 km12h22'2450 mi8h42'00100 mi23h41'3624 h131,97 km

HISTORY

60 race(s)
DateRacePerf.Rk
2026
27.03 50mi USA16th Badger Mountain 50 Mile Challenge 13:12:58 h95
2025
06.12 60mi USA9th Loup Garou 60 Mile Trail Run 15:50:24 h9
2024
18.05 56mi USA12th Cruel Jewel 50 Mile 19:20:46 h53
23.03 24h USA22th Pacific Rim One Day 131.966 km7
2023
28.10 159.2km USA21st Javelina Jundred 100 Mile Endurance Run 25:10:48 h251
27.05 50km CAN1st Run for Water Trail 9:26:28 h14
24.03 100mi USA13th Badger Mountain 100 Mile Challenge 28:16:07 h38
2022
15.07 100mi USA29th Hardrock Hundred Endurance Run 46:38:29 h104
2019
14.09 100mi USA10th Pine to Palm 100 Mile Endurance Run 30:02:52 h58
20.05 315km/5stages GBR5th Dragon's Back Race 2d 19:19:40 h194
2018
15.09 50km USA5th The Barkley Fall Classic 10:54:23 h54
30.06 50km USA3rd Needles 50k 11:18:00 h49
18.05 106mi USA6th Cruel Jewel 100 Mile 37:09:00 h44
13.01 100mi USA18th HURT 100 Endurance Run 100 Mile 33:56:07 h45
2017
13.10 238mi USA1st Moab 240 Endurance Run 4d 06:40:10 h70
05.08 100mi USA30th Angeles Crest 100 Mile 30:04:48 h64
14.07 100mi USA24th Hardrock Hundred Endurance Run 38:49:09 h66
08.04 50km CAN20th Diez Vista 50K Trail Run 8:41:06 h131
2016
08.10 100km USA2nd Bigfoot 100km Endurance Run 24:22:53 h30
15.07 100mi USA23rd Hardrock Hundred Endurance Run 39:22:00 h46
02.04 100km USA6th Gorge Waterfalls 100k 15:25:07 h141
19.02 100mi USA1st Orcas Island 100 Mile Race 33:55:17 h44
2015
26.09 100mi USA3rd Mountain Lakes 100 23:41:36 h26
11.09 100mi USA36th Wasatch Front 100 Mile 28:34:46 h50
19.06 100mi USA23th Bighorn Mountain Wild & Scenic 100 Mile Trail Run 27:19:21 h55
25.04 50mi USA26th Zane Grey 50 Mile Endurance Run 12:53:44 h59
17.01 100mi USA15th HURT 100 Endurance Run 100 Mile 30:20:02 h21
2014
23.08 100mi USA16th Cascade Crest Classic 100 Mile 24:35:05 h36
20.06 100mi USABighorn Mountain Wild & Scenic 100 Mile Trail Run 26:24:59 h36
18.05 50mi USA6th Sun Mountain 50 Mile Trail Races 10:49:15 h84
26.04 50km USA25th Zane Grey Highline Trail 50 km 8:39:11 h62
30.03 100km USA4th Gorge Waterfalls 100k 14:23:30 h36
2013
14.12 50km USA3rd Deception Pass 50 km 6:40:33 h113
29.06 100mi USA40th Western States 100 Mile Endurance Run 24:01:42 h96
19.04 100mi USA2nd The Zion 100 Mile Run 30:26:30 h79
30.03 50km USA3rd Gorge Waterfalls 50k 6:14:21 h191
19.01 100mi USA13th HURT 100 Endurance Run 100 Mile 31:10:00 h23
2012
28.09 100mi USA14th The Bear 100 Mile Endurance Run 34:18:17 h147
18.08 120mi CAN3rd Fat Dog 120 Mile Trail Race 39:40:00 h8
28.04 50mi USA9th Capitol Peak 50 Miler 10:16:38 h45
17.03 50km USA20th Chuckanut 50K 6:50:38 h425
2011
12.11 100mi USA9th Javelina Jundred 100 Mile Endurance Run 27:29:32 h114
08.10 100mi USA1st Slickrock 100 Mile Run 25:09:00 h25
22.05 50mi USA3rd Sun Mountain 50 Mile Trail Races 10:16:46 h34
2010
06.08 100mi CAN10th Stormy 100-Mile 26:43:17 h9
20.06 50mi USA2nd Sun Mountain 50 Mile Trail Races 9:56:10 h18
05.06 100km CAN5th Vancouver 100 km Ultratrail 20:15:00 h8
25.04 50mi USA7th Capitol Peak 50 Miler 8:42:00 h20
06.02 50km USA5th Orcas Island 50k 5:51:46 h34
2009
03.10 40mi USA5th Triple Lakes Trail Race 7:00:55 h9
19.09 50km CAN2nd Frosty Mountain Ultra Trail Race 7:58:24 h53
22.08 100mi USA27th Leadville Trail 100 Mile 27:51:43 h132
25.07 50mi USA11th Mt. Hood 50 Mile Trail Run 9:05:05 h21
21.03 50km USA17th Chuckanut 50K 6:13:54 h163
13.03 100km USA2nd Coyote Two Moon Ultras 100 km 16:09:00 h6
21.02 50km USA9th Hagg Lake Trail Runs 50K 4:52:29 h23
07.02 50km USA4th Orcas Island 50k 5:59:58 h22
2008
16.08 100km USA7th Where's Waldo 100K Ultramarathon 13:52:01 h36
26.07 50mi USA16th White River 50 Mile Trail Run 9:39:23 h70
03.05 100km USA13th Miwok 100k Trail race 12:22:24 h102