Norman Carlson
Born : 1933 Cat. M90 Ultrarunner since 1988 USA
36
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
50
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
76,5%
Rank quotient ?This runner's calculation uses 36 eligible race(s): Σ(rank − 1) = 2 900; Σ finishers = 3 789. 2 900 / 3 789 × 100 = 76.54%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed36
Km — ultra races3 324 km
> 100 km11
> 160 km9
> 24h2
Longest race160,9 km

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road9,5%
Trail90,5%

HISTORY

36 race(s)
DateRacePerf.Rk
2008
14.06 12h USA3rd Hawthorn Half Day Run 49.889 km36
2006
23.08 50km USA12th Germantown 50k 7:51:10 h37
28.01 50km USA12th Mountain Mist 50k 8:04:37 h262
2004
21.08 50km USA10th Germantown 50k 7:18:56 h31
14.08 8h USA14th Howl at the Moon 8h Run 52.947 km119
08.05 50mi USA23th Ice Age Trail 50 Mile Run 11:22:28 h197
03.04 50mi USA4th McNaughton 50 Mile Ultra Race 12:40:00 h40
2003
20.09 50mi USA4th North Country Trail Run 50 Mile 11:54:47 h47
2002
06.04 50mi USA2nd McNaughton 50 Mile Ultra Race 12:15:28 h18
2001
29.12 50km USA5th Huff 50K Trail Run 6:39:04 h148
03.11 50km USA9th OPSF Ultra 50 km Race 7:36:00 h33
16.06 100mi USA12th Mohican Trail 100 Mile 28:21:44 h41
2000
07.10 100mi USA10th Arkansas Traveller 100 27:36:28 h61
17.06 100mi USA11th Mohican Trail 100 Mile 26:33:01 h35
02.06 100mi USA5th Kettle Moraine 100 Mile Endurance Run 26:38:12 h45
1999
18.12 50km USA3rd Huff 50K Trail Run 5:55:29 h102
06.11 50mi USA7th OPSF Ultra 50 Mile Race 9:18:00 h16
19.06 100mi USA10th Mohican Trail 100 Mile 25:34:56 h29
1998
27.12 50km USA2nd Huff 50K Trail Run 6:16:28 h113
07.11 50mi USA6th OPSF Ultra 50 Mile Race 10:57:19 h18
20.06 100mi USA9th Mohican Trail 100 Mile 27:50:00 h34
16.05 50mi USA17th Ice Age Trail 50 Mile Run 11:16:23 h256
1997
27.12 50km USA1st Huff 50K Trail Run 6:39:53 h77
01.11 50km USA5th OPSF Ultra 50 km Race 7:46:00 h28
21.06 100mi USA8th Mohican Trail 100 Mile 28:22:05 h21
17.05 50mi USA16th Ice Age Trail 50 Mile Run 11:19:06 h315
1996
02.11 50mi USA4th OPSF Ultra 50 Mile Race 11:47:45 h20
1995
05.11 50mi USA3rd OPSF Ultra 50 Mile Race 12:16:57 h20
1994
22.10 50mi USA12th Mountain Masochist 50 Mile Trail Run 11:52:49 h140
18.06 100mi USA5th Mohican Trail 100 Mile 29:48:00 h30
1992
20.06 100mi USA3rd Mohican Trail 100 Mile 29:11:00 h49
1991
06.09 24h USA2nd Olander Park 24 Hour Run 105.769 km33
1990
05.05 40mi USA12th Strolling Jim 40 Mile 7:20:11 h92
1989
19.08 24h USA1st Olander Park 24 Hour Run 106.602 km31
20.05 50mi USA8th Ice Age Trail 50 Mile Run 10:24:28 h188
1988
02.06 50mi USA7th Ice Age Trail 50 Mile Run 11:26:02 h174