Randy Dietz
ID 46880
Born : 1950 Cat. M75 Ultrarunner since 1992 USA
73
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
80
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
54,4%
Rank quotient ?This runner's calculation uses 116 eligible race(s): Σ(rank − 1) = 6 630; Σ finishers = 12 198. 6 630 / 12 198 × 100 = 54.35%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed116
Km — ultra races12 166 km
> 100 km56
> 160 km46
Longest race160,9 km
3rd Skunk Ape 100 Mile Endurance Run — 25/4/2026

Km per year (ultra races)

450
8 races
2022
977
16 races
2023
633
6 races
2024
733
8 races
2025
522
4 races
2026

Race types (share of distance)

Road8,3%
Trail91,7%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M1
🏅 Top 34
🏅 Top 3 M4
Longest winning streak0
Current streak0

Records

50 km4h15'18100 km17h49'2150 mi9h03'56100 mi23h35'05

HISTORY

116 race(s)
DateRacePerf.Rk
2026
12.09 100km USA4th East Fork 100K 24:50:48 h21
13.06 100km USA1st Woodbooger 100 23:18:31 h24
25.04 100mi USA3rd Skunk Ape 100 Mile Endurance Run 35:26:44 h30
25.03 100mi USA4th Canebrake 100 Miler 32:16:18 h5
2025
20.09 50km USA1st Woodstock Warrior 8:02:50 h12
30.08 100mi USA7th Tuscazoar 100 Mile Trail Race 31:20:45 h19
16.08 50km USA3rd Fabulous Fahnestock Trail Races 10:06:00 h50
09.08 50km USA10th MD Heat Trail Race 9:41:45 h44
26.07 100mi USA19th Burning River 100 Mile Endurance Run 31:12:19 h107
05.07 50km USA37th Finger Lakes Fifties 50 km Run 9:22:13 h73
07.06 50km USA10th Eagle Up Ultra 50 km 7:38:02 h60
17.05 100mi USA31st Massanutten Mountain Trails 100 Mile 35:59:57 h94
2024
27.07 100mi USA18th Burning River 100 Mile Endurance Run 29:35:09 h140
18.05 100mi USA30th Massanutten Mountain Trails 100 Mile 33:45:49 h83
09.03 50km USA20th Bel Monte 50 km Endurance Run 9:45:32 h31
03.02 100mi USA4th Forgotten Florida 100 Mile Race 29:45:14 h29
28.01 50km USA2nd This ain't yo Momma's 50k 7:26:10 h19
06.01 50km USA13th Mid-Maryland Ultra 50k 7:29:47 h71
2023
05.11 32.8mi USA13th Fire on the Mountain 50k Ultra Marathon 8:19:00 h26
23.09 50km USA13th Table Rock 50 km Ultra 7:32:40 h105
16.09 50km USA1st Brookfield Classic 7:13:28 h10
26.08 50km USA1st TPK Debauchery 10:29:14 h20
05.08 50km USA13th Kanawha Trace Trail Runs 8:26:24 h41
22.07 50km USA2nd Rattlerock Ultra 8:57:22 h22
03.06 50km USA11th Cayuga Trails 50 km Race 7:58:30 h83
20.05 100mi USA29th Massanutten Mountain Trails 100 Mile 35:35:39 h138
29.04 100km USA1st Falling Water Ultras 100 km 17:49:21 h31
15.04 50km USA1st James River Trail Runs 7:25:51 h43
11.03 8h USA2nd The Dark Side 8 Hour Ultra 53.108 km21
18.02 50km USA12th Mid-Maryland Ultra 50k 7:32:48 h79
11.02 60km USA2nd Skunk Ape's Revenge 60 km 9:21:04 h32
29.01 50km USA1st This ain't yo Momma's 50k 8:20:24 h20
14.01 50km USA1st Cold Rock 50K 7:53:56 h6
07.01 50km USA5th South Mountains Marathons 8:03:22 h48
2022
18.12 50km USA5th Naked Nick 50 km Race 7:45:20 h119
03.12 100km USA7th Devil Dog Ultra 100 km Race 18:06:02 h31
26.11 50km USA2nd Squatchy Leftovers 50km Trail Race 7:19:58 h38
12.11 50km USA10th Eastern Divide Ultra 7:27:42 h46
05.11 50km USA40th Mountain Masochist 50km Trail Run 9:08:01 h52
29.10 50km USA9th Patapsco Valley 50K 8:26:31 h185
22.10 50km USA1st Wawayanda 50km 8:18:31 h10
15.10 50km USA2nd Bryce Conquer the Mountain 50km Race 8:00:00 h21
2021
10.04 100km USA10th The Zion 100 km Run 21:03:34 h209
2020
30.05 50mi USA8th Bryce 50 Mile Trail Run 16:44:29 h89
2019
16.03 100mi USA7th The Pistol 100 Mile Ultra Run 30:47:00 h82
08.02 100mi USA1st Grandmaster Ultras 100 Mile Run 31:50:37 h10
2015
07.03 100mi USA4th Graveyard 100 Mile Ultramarathon 28:03:55 h52
2014
03.10 100mi USA6th Grindstone 100 Mile 36:38:53 h181
16.05 100mi USA1st Rock/Creek Thunder Rock 100 Mile Trail Race 29:21:44 h118
08.03 100mi USA3rd Graveyard 100 Mile Ultramarathon 27:25:56 h65
01.02 100mi USA22nd Rocky Raccoon 100 Mile Trail Run 23:35:05 h97
04.01 100mi USA2nd The Pistol 100 Mile Ultra Run 26:41:09 h31
2013
02.11 100mi USA6th Pinhoti 100 Mile 28:43:57 h138
05.10 100mi USA5th Oil Creek 100 Miles Trail Run 31:32:55 h67
30.03 68mi USA1st Coyote Cohorts Backbone Trail Ultra 21:07:00 h97
02.02 100mi USA21st Rocky Raccoon 100 Mile Trail Run 23:50:43 h95
05.01 100mi USA1st The Pistol 100 Mile Ultra Run 23:38:55 h8
2012
03.11 100mi USA5th Pinhoti 100 Mile 29:17:54 h101
15.09 100mi USA1st Mark Twain 100 Mile Endurance Run 30:14:30 h18
28.07 100mi USA6th Burning River 100 Mile Endurance Run 28:55:04 h165
19.05 100mi USA5th Keys100 Ultra-Marathons 100mi 27:26:37 h63
04.02 100mi USA20th Rocky Raccoon 100 Mile Trail Run 25:42:24 h115
2011
08.10 100mi USA4th Grindstone 100 Mile 33:50:32 h56
30.07 100mi USA5th Burning River 100 Mile Endurance Run 26:51:25 h75
18.06 100mi USA22th Mohican Trail 100 Mile 28:50:06 h32
29.05 50km USA1st Holy Cowan's Gap 50k+ 9:20:00 h13
14.05 100mi USA17th Massanutten Mountain Trails 100 Mile 34:45:13 h117
09.04 50mi USA19th Bull Run Run 50 Miler 10:37:20 h178
2010
18.09 100mi USA5th The Delaware 100 Mile Endurance Run 26:45:00 h3 🥉
2009
19.09 100mi USA4th The Delaware 100 Mile Endurance Run 27:59:00 h5
08.08 100mi USA3rd Viaduct Trail Ultramarathon 100 Mile 27:47:35 h9
20.06 100mi USA20th Mohican Trail 100 Mile 29:18:19 h63
10.04 100mi USA9th McNaughton 100 Mile Ultra Race 30:46:58 h12
31.03 50km USA21th The HAT Run 50K 6:07:12 h143
2008
08.11 100mi USA1st Peak Ultra 100 Mile Endurance Run 31:57:00 h3 🥉
20.09 100mi USA3rd The Delaware 100 Mile Endurance Run 24:53:00 h3 🥉
17.05 100mi USA14th Massanutten Mountain Trails 100 Mile 34:48:13 h84
2007
06.10 100mi USA17th Arkansas Traveller 100 28:41:55 h53
16.06 100mi USA18th Mohican Trail 100 Mile 27:53:49 h64
14.04 50mi USA15th Bull Run Run 50 Miler 10:25:11 h173
24.03 50km USA19th The HAT Run 50K 6:41:59 h215
27.01 50km USA13th Mountain Mist 50k 6:17:31 h121
2006
07.10 100mi USA16th Arkansas Traveller 100 27:38:22 h52
05.08 50km USA11th Catoctin 50k Trail Run 6:53:57 h35
16.06 70.5mi USA27th Laurel Highlands 70 Mile Ultra 17:09:55 h29
13.05 100mi USA12th Massanutten Mountain Trails 100 Mile 29:02:36 h44
08.04 50mi USA14th Bull Run Run 50 Miler 10:50:25 h133
25.03 50km USA18th The HAT Run 50K 5:09:56 h80
2005
11.06 70.5mi USA26th Laurel Highlands 70 Mile Ultra 18:25:33 h25
07.05 100mi USA11th Massanutten Mountain Trails 100 Mile 26:59:39 h18
09.04 50mi USA13th Bull Run Run 50 Miler 9:58:34 h87
19.03 50km USA17th The HAT Run 50K 5:24:10 h108
2004
12.06 70.5mi USA25th Laurel Highlands 70 Mile Ultra 15:14:18 h11
08.05 100mi USA10th Massanutten Mountain Trails 100 Mile 27:08:32 h17
17.04 50mi USA12th Bull Run Run 50 Miler 9:10:51 h53
27.03 50km USA16th The HAT Run 50K 5:05:52 h52
2003
06.09 71.1mi USA2nd The Ring 71-mile Run 19:32:00 h2 🥈
10.05 100mi USA9th Massanutten Mountain Trails 100 Mile 29:55:00 h21
12.04 50mi USA11th Bull Run Run 50 Miler 9:17:23 h67
29.03 50km USA15th The HAT Run 50K 5:30:00 h63
2002
14.12 50km USA7th Magnus Gluteus Maximus - Fat Taffy Kiss 50 km 6:50:00 h28
10.08 50km USA7th Catoctin 50k Trail Run 7:10:53 h33
08.06 70.5mi USA23th Laurel Highlands 70 Mile Ultra 17:28:12 h23
11.05 100mi USA8th Massanutten Mountain Trails 100 Mile 32:21:03 h54
1996
03.08 50km USA2nd Catoctin 50k Trail Run 7:19:15 h21
08.06 70.5mi USA17th Laurel Highlands 70 Mile Ultra 16:13:32 h7
13.04 50mi USA4th Bull Run Run 50 Miler 10:41:58 h48
1995
10.06 70.5mi USA16th Laurel Highlands 70 Mile Ultra 16:20:01 h7
08.04 50mi USA3rd Bull Run Run 50 Miler 9:49:26 h27
1994
22.10 50mi USA12th Mountain Masochist 50 Mile Trail Run 10:10:11 h62
26.03 50km USA6th The HAT Run 50K 4:15:18 h29
1993
23.10 50mi USA11th Mountain Masochist 50 Mile Trail Run 9:27:38 h30
12.06 70.5mi USA14th Laurel Highlands 70 Mile Ultra 14:27:07 h6
27.03 50km USA5th The HAT Run 50K 4:33:12 h11
1992
21.11 50mi USA30th JFK 50 Mile 9:03:56 h88
13.06 70.5mi USA13th Laurel Highlands 70 Mile Ultra 15:24:29 h13