Dennis Duria
ID 46751
Born : 1966 Cat. M60 Ultrarunner since 2005 USA
39
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
41
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
62,1%
Rank quotient ?This runner's calculation uses 39 eligible race(s): Σ(rank − 1) = 3 341; Σ finishers = 5 379. 3 341 / 5 379 × 100 = 62.11%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed39
Km — ultra races2 562 km
> 100 km1
> 160 km1
Longest race160,9 km
8th McNaughton 100 Mile Ultra Race — 11/4/2008

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road23,9%
Trail76,1%

Records

50 km4h53'1050 mi8h59'57100 mi30h48'55

HISTORY

39 race(s)
DateRacePerf.Rk
2018
01.12 50km USA5th Arctic Frog 50 km Race 7:23:57 h65
24.03 50km USA6th Paleozoic Trail Runs - Silurian Spring 50K 6:28:14 h38
2016
03.12 50km USA3rd Arctic Frog 50 km Race 5:21:44 h27
12.11 50mi USA3rd Tunnel Hill 50 Mile Race 12:57:18 h272
26.03 30mi USA10th Clinton Lake Ultra 7:14:20 h74
2015
19.12 50km USA19th Huff 50K Trail Run 6:07:27 h178
13.09 34mi USA4th Evergreen Lake 34mi Ultra 8:21:00 h42
25.04 50mi USA3rd Indiana Trail 50 Mile 12:05:59 h58
2014
05.04 50mi USA14th Potawatomi 50 Mile Trail Run 15:19:33 h59
22.03 50km USA2nd Paleozoic Trail Runs - Carboniferous Spring 50K 6:27:35 h25
2013
28.12 50km USA17th Huff 50K Trail Run 6:18:04 h220
02.11 50mi USA14th Chicago Lakefront Fall 50 Mile Race 9:34:08 h41
13.07 50km USA10th Dances with Dirt - Devil's Lake 50K Ultra 7:01:34 h111
11.05 50mi USA32nd Ice Age Trail 50 Mile Run 10:59:22 h219
20.04 50mi USA1st Indiana Trail 50 Mile 11:11:57 h37
23.03 50km USA14th Chicago Lakefront Spring 50km Race 5:13:20 h71
2012
11.08 8h USA22nd Howl at the Moon 8 Hour Run 59.046 km122
12.05 50mi USA31st Ice Age Trail 50 Mile Run 11:36:52 h252
22.04 50km USA1st Earth Day 50k 5:44:15 h35
31.03 30mi USA6th Clinton Lake Ultra 6:20:24 h56
04.02 50km USA24th John Dick Memorial Crusty 50K 6:28:39 h83
2011
08.10 33mi USA6th Farmdale Trail Run 30 Mile 8:27:17 h23
27.08 50mi USA12th North Country Trail Run 50 Mile 12:18:41 h116
14.05 50mi USA30th Ice Age Trail 50 Mile Run 11:44:11 h214
26.03 30mi USA5th Clinton Lake Ultra 6:28:28 h57
2010
30.10 50mi USA11th Chicago Lakefront Fall 50 Mile Race 10:20:42 h54
2009
09.05 50mi USA28th Ice Age Trail 50 Mile Run 11:09:23 h158
2008
01.11 50mi USA9th Chicago Lakefront Fall 50 Mile Race 9:13:39 h30
11.10 33mi USA3rd Farmdale Trail Run 30 Mile 6:29:17 h25
21.09 50km USA5th Rock Cut Hobo 50K 5:44:30 h33
10.05 50mi USA27th Ice Age Trail 50 Mile Run 11:49:14 h198
11.04 100mi USA8th McNaughton 100 Mile Ultra Race 30:48:55 h6
29.03 30mi USA2nd Clinton Lake Ultra 6:17:03 h38
2007
29.12 50km USA11th Huff 50K Trail Run 6:14:30 h86
27.10 50mi USA8th Chicago Lakefront Fall 50 Mile Race 8:59:57 h36
12.05 50mi USA26th Ice Age Trail 50 Mile Run 10:01:35 h109
13.04 50mi USA7th McNaughton 50 Mile Ultra Race 12:21:46 h32
31.03 50km USA8th Chicago Lakefront Spring 50km Race 5:01:31 h51
2005
29.10 50km USA6th Chicago Lakefront Fall 50km Race 4:53:10 h29