Dennis Johnson
Born : 1949 Cat. M75 Ultrarunner since 1998 USA
25
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
40
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
78,2%
Rank quotient ?This runner's calculation uses 25 eligible race(s): Σ(rank − 1) = 2 542; Σ finishers = 3 250. 2 542 / 3 250 × 100 = 78.22%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed25
Km — ultra races2 199 km
> 100 km6
> 160 km6
Longest race160,9 km

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road5,9%
Trail94,1%

HISTORY

25 race(s)
DateRacePerf.Rk
2013
27.07 60km USA4th Grand Mesa 60 km Trail Race 10:37:00 h12
13.07 12h USA2nd Happy Jack 12 hour Endurance Race 48.280 km10
06.07 50km USA3rd Thunderbolt Creek 50k 9:35:19 h22
25.05 50km USA8th Jemez Mountain 50km Trail Run 12:59:08 h194
2011
17.07 50mi USA4th Leadville Silver Rush 50 Mile Run 11:37:06 h177
2010
18.07 50mi USA3rd Leadville Silver Rush 50 Mile Run 13:26:50 h166
2009
26.07 50mi USA2nd Leadville Silver Rush 50 Mile Run 12:41:03 h118
2007
02.06 12h USA18th FANS 12 Hour Run 80.915 km22
24.04 50km USA17th Trail Mix Race 6:22:05 h97
10.03 50km USA26th Carl Touchstone Memorial Mississippi Trail 50 km 7:38:15 h51
2006
22.07 100mi USA18th Vermont 100 Mile Endurance Race 29:03:27 h146
22.04 50km USA16th Trail Mix Race 6:32:21 h107
2005
16.04 50km USA7th Double Chubb 50k 6:10:10 h24
2004
21.08 100mi USA22nd Leadville Trail 100 Mile 29:54:48 h193
24.07 50mi USA23rd Minnesota Voyageur Trail 50 Mile Ultra 12:22:54 h72
22.05 50km USA2nd Superior Spring 50 km Trail Race 7:26:17 h46
08.05 50mi USA23th Ice Age Trail 50 Mile Run 11:41:16 h234
2003
04.10 100mi USA13th Arkansas Traveller 100 27:19:43 h35
16.08 100mi USA21st Leadville Trail 100 Mile 29:08:09 h159
26.07 50mi USA22nd Minnesota Voyageur Trail 50 Mile Ultra 12:44:55 h34
05.07 50km USA10th Afton Trail Run 50K 6:10:00 h24
10.05 50mi USA22th Ice Age Trail 50 Mile Run 9:53:40 h106
2001
23.06 100mi USA28th Western States 100 Mile Endurance Run 29:18:01 h223
2000
08.04 100mi USA6th Umstead Endurance Run 100 Miles 23:46:55 h21
1998
16.05 50mi USA17th Ice Age Trail 50 Mile Run 11:26:40 h274