Burt Carlson
ID 18755
Born : 1925 Cat. M95 Ultrarunner since 1985 USA
43
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
51
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
75,0%
Rank quotient ?This runner's calculation uses 44 eligible race(s): Σ(rank − 1) = 4 188; Σ finishers = 5 583. 4 188 / 5 583 × 100 = 75.01%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed44
Km — ultra races4 149 km
> 100 km21
> 24h28
Longest race135,8 km
9th Olander Park 24 Hour Run - US Championships — 18/9/1999

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road80,5%
Trail19,5%

Records

50 km5h24'37100 km12h16'2350 mi11h29'5824 h135,81 km

HISTORY

44 race(s)
DateRacePerf.Rk
2009
06.06 24h USA20th FANS 24 Hour Runs 45.528 km91
2008
07.06 24h USA19th FANS 24 Hour Runs 80.612 km61
2007
02.06 24h USA18th FANS 24 Hour Runs 80.593 km89
2006
03.06 24h USA17th FANS 24 Hour Runs 88.401 km67
22.04 50km USA16th Trail Mix Race 7:58:18 h117
2005
04.06 24h USA16th FANS 24 Hour Runs 100.085 km54
2004
05.06 24h USA15th FANS 24 Hour Runs 49.422 km61
2003
07.06 24h USA14th FANS 24 Hour Runs 100.085 km53
2002
14.09 24h USA12th Olander Park 24 Hour Run 105.348 km101
29.06 24h USA13th FANS 24 Hour Runs 100.487 km36
2001
15.09 24h USA11th Olander Park 24 Hour Run 124.661 km69
23.06 24h USA12th FANS 24 Hour Runs 101.565 km58
2000
16.09 24h USA10th Olander Park 24 Hour Run 105.348 km88
24.06 24h USA11th FANS 24 Hour Runs 101.565 km57
06.05 40mi USA22nd Strolling Jim 40 Mile 9:41:32 h45
1999
18.09 24h USA9th Olander Park 24 Hour Run - US Championships 135.806 km59
18.09 24h USA9th Olander Park 24 Hour Run - Open race 135.806 km62
26.06 24h USA10th FANS 24 Hour Runs 82.028 km72
1998
19.09 24h USA8th Olander Park 24 Hour Run 122.830 km63
27.06 24h USA9th FANS 24 Hour Runs 81.915 km76
18.04 50km USA9th Trail Mix Race 6:51:51 h134
1997
13.12 50mi USA8th Sunmart Texas Trails 50 Mile 11:48:20 h252
22.11 50mi USA35th JFK 50 Mile 13:20:58 h697
11.10 50mi USA16th Le Grizz 50 Mile Ultramarathon 11:35:56 h50
26.09 24h USA7th Olander Park 24 Hour Run 122.830 km86
28.06 24h USA8th FANS 24 Hour Runs 109.596 km39
1996
12.12 50mi USA7th Sunmart Texas Trails 50 Mile 11:34:47 h255
19.10 100km USA12th Edmund Fitzgerald 100K Road Race 14:03:34 h54
14.09 24h USA6th Olander Park 24 Hour Run 122.825 km65
1995
09.12 50mi USA6th Sunmart Texas Trails 50 Mile 11:50:54 h12
21.10 100km USA11th Edmund Fitzgerald 100K Road Race 13:31:52 h20
16.09 24h USA5th Olander Park 24 Hour Run 130.055 km46
24.06 24h USA6th FANS 24 Hour Runs 126.011 km23
1994
21.05 50mi USA13th Ice Age Trail 50 Mile Run 11:48:31 h255
1993
18.09 24h USA3rd Olander Park 24 Hour Run 135.474 km50
26.06 24h USA4th FANS 24 Hour Runs 115.550 km39
15.05 50mi USA12th Ice Age Trail 50 Mile Run 11:38:09 h281
1992
27.06 24h USA3rd FANS 24 Hour Runs 100.744 km45
1991
29.06 24h USA2nd FANS 24 Hour Runs 116.033 km28
18.05 50mi USA10th Ice Age Trail 50 Mile Run 11:29:58 h231
1990
27.10 100km USAIAU 100km WC Duluth (8th Edmund Fitzgerald 100K Road Race) 12:16:23 h119
30.06 24h USA1st FANS 24 Hour Runs 119.252 km14
1989
28.10 50km USA7th Edmund Fitzgerald 50K Road Race 5:24:38 h43
1985
26.10 50km USA4th Edmund Fitzgerald Memorial 50K Road Race 5:24:37 h15