Dennis Herr
Born : 1947 Cat. M75 Ultrarunner since 1982 USA
48
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
1
Countries visited ?USAUnited States
11,8%
Rank quotient ?This runner's calculation uses 48 eligible race(s): Σ(rank − 1) = 755; Σ finishers = 6 385. 755 / 6 385 × 100 = 11.82%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed50
Km — ultra races6 263 km
> 100 km29
> 160 km28
> 200 km1
> 24h1
> 48h1
Longest race255,6 km

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road4,2%
Trail91,8%
Stage4,1%

Wins & podiums (ultra)

🏆 Win4
🏆 Win M4
🏅 Top 314
🏅 Top 3 M14
Longest winning streak2
Current streak0

HISTORY

48 race(s)
DateRacePerf.Rk
2015
04.09 84h USA1st A Race for the Ages 160.934 km95
2004
16.10 50mi USA22th Mountain Masochist 50 Mile Trail Run 9:24:09 h48
10.07 100mi USA11th Hardrock Hundred Endurance Run 36:07:38 h16
18.06 100mi USA13th Bighorn Mountain Wild & Scenic 100mi Trail Run 28:16:45 h10
08.05 100mi USA10th Massanutten Mountain Trails 100 Mile 27:26:45 h22
2002
19.10 50mi USA20th Mountain Masochist 50 Mile Trail Run 9:21:32 h46
23.02 100mi USA2nd The Wild Oak Trail 100 34:02:00 h1 🏆
1999
21.08 100mi USA17th Leadville Trail 100 Mile 27:51:56 h93
09.07 100mi USA7th Hardrock Hundred Endurance Run 39:45:15 h36
1996
18.05 50mi USA15th Ice Age Trail 50 Mile Run 10:27:14 h85
1995
18.11 50mi USA33rd JFK 50 Mile 7:38:23 h17
21.10 50mi USA13th Mountain Masochist 50 Mile Trail Run 8:45:25 h15
1993
10.09 100mi USA14th Wasatch Front 100 Mile 30:42:03 h33
09.07 100mi USA2nd Hardrock Hundred Endurance Run 35:52:31 h6
12.06 70.5mi USA14th Laurel Highlands 70 Mile Ultra 13:36:38 h5
1992
11.09 100mi USA13th Wasatch Front 100 Mile 24:56:49 h9
10.07 100mi USA1st Hardrock Hundred Endurance Run 33:37:00 h2 🥈
06.06 100mi USA14th Old Dominion 100 Mile Endurance Run 18:50:00 h7
1991
17.08 100mi USA9th Leadville Trail 100 Mile 21:02:30 h5
29.06 100mi USA18th Western States 100 Mile Endurance Run 20:03:23 h24
1990
17.11 50mi USA28th JFK 50 Mile 6:59:35 h12
27.10 100km USAIAU 100km WC Duluth (8th Edmund Fitzgerald 100K Road Race) 8:08:34 h30
18.08 100mi USA8th Leadville Trail 100 Mile 19:57:49 h2 🥈
23.06 100mi USA17th Western States 100 Mile Endurance Run 21:54:05 h26
09.06 100mi USA12th Old Dominion 100 Mile Endurance Run 19:54:00 h2 🥈
05.05 50mi USA2nd Ouachita Trail 50 Mile 7:50:55 h9
1989
18.11 50mi USA27th JFK 50 Mile 6:39:16 h4
28.10 50mi USA7th Mountain Masochist 50 Mile Trail Run 7:49:45 h1 🏆
08.09 100mi USA10th Wasatch Front 100 Mile 22:35:02 h2 🥈
24.06 100mi USA16th Western States 100 Mile Endurance Run 19:55:29 h16
10.06 100mi USA11th Old Dominion 100 Mile Endurance Run 18:57:00 h1 🏆
1988
22.10 50mi USA6th Mountain Masochist 50 Mile Trail Run 8:10:00 h1 🏆
09.09 100mi USA9th Wasatch Front 100 Mile 24:21:38 h3 🥉
20.08 100mi USA6th Leadville Trail 100 Mile 19:54:30 h3 🥉
11.06 100mi USA10th Old Dominion 100 Mile Endurance Run 19:27:00 h3 🥉
29.04 158.8mi/3stages USATrans Virginia Stage Run 30:43:47 h5
1987
21.11 50mi USA25th JFK 50 Mile 7:44:04 h13
24.10 50mi USA5th Mountain Masochist 50 Mile Trail Run 8:20:25 h3 🥉
22.08 100mi USA5th Leadville Trail 100 Mile 21:04:12 h3 🥉
13.06 100mi USA9th Old Dominion 100 Mile Endurance Run 21:27:07 h10
1986
22.11 50mi USA24th JFK 50 Mile 6:38:43 h2 🥈
25.10 50mi USA4th Mountain Masochist 50 Mile Trail Run 8:55:18 h14
14.06 100mi USA8th Old Dominion 100 Mile Endurance Run 23:11:00 h13
1985
23.11 50mi USA23rd JFK 50 Mile 7:09:17 h7
1984
17.11 50mi USA22nd JFK 50 Mile 7:11:52 h8
1983
19.11 50mi USA21st JFK 50 Mile 6:51:19 h6
1982
20.11 50mi USA20th JFK 50 Mile 7:13:42 h17
05.06 100mi USA4th Old Dominion 100 Mile Endurance Run 22:34:00 h12