Jack Thomas
ID 55802
Born : 1952 Cat. M70 Ultrarunner since 1996 USA
50
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
65,9%
Rank quotient ?This runner's calculation uses 60 eligible race(s): Σ(rank − 1) = 5 129; Σ finishers = 7 787. 5 129 / 7 787 × 100 = 65.87%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed60
Km — ultra races3 985 km
> 100 km3
> 160 km2
> 24h1
Longest race160,9 km
5th Kettle Moraine 100 Mile Endurance Run — 2/6/2000

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road26,4%
Trail73,6%

Records

50 km4h43'2850 mi8h47'33100 mi25h00'0624 h114,13 km

HISTORY

60 race(s)
DateRacePerf.Rk
2008
09.08 8h USA18th Howl at the Moon 8h Run 49.262 km150
2007
27.10 50km USA8th Chicago Lakefront Fall 50km Race 5:52:32 h100
11.08 8h USA17th Howl at the Moon 8h Run 50.066 km127
12.05 50mi USA26th Ice Age Trail 50 Mile Run 11:50:21 h231
2006
30.12 50km USA10th Huff 50K Trail Run 7:22:31 h180
11.11 50km USA7th Chicago Lakefront Fall 50km Race 5:32:18 h73
14.10 32mi USA1st Farmdale Trail Run 30 Mile 7:50:10 h18
12.08 8h USA16th Howl at the Moon 8h Run 54.556 km118
13.05 50km USA25th Ice Age Trail 50 km Run 7:08:51 h108
2005
14.05 50mi USA24th Ice Age Trail 50 Mile Run 10:51:38 h156
12.02 50km USA17th John Dick Memorial Crusty 50K 5:56:37 h24
2004
04.12 50mi USA15th Sunmart Texas Trails 50 Mile 11:43:03 h166
30.10 50km USA5th Chicago Lakefront Fall 50km Race 6:34:06 h100
10.10 50mi USA18th Glacial Trail 50 Mile Race 11:47:44 h51
18.09 50mi USA5th North Country Trail Run 50 Mile 12:19:41 h31
14.08 8h USA14th Howl at the Moon 8h Run 61.460 km78
08.05 50mi USA23th Ice Age Trail 50 Mile Run 11:40:39 h233
03.04 30mi USA4th McNaughton 30 Mile Ultra Race 7:01:48 h51
2003
27.12 50km USA7th Huff 50K Trail Run 6:13:54 h132
01.11 50km USA4th Chicago Lakefront Fall 50km Race 5:35:06 h69
10.05 50mi USA22th Ice Age Trail 50 Mile Run 11:39:21 h251
05.04 50km USA4th Chicago Lakefront Spring 50km Race 5:02:47 h37
2002
28.12 50km USA6th Huff 50K Trail Run 6:52:15 h135
02.11 50km USA10th OPSF Ultra 50 km Race 8:48:11 h32
14.09 24h USA12th Olander Park 24 Hour Run 114.127 km87
10.08 8h USA12th Howl at the Moon 8h Run 51.659 km77
27.07 50mi USA21st Minnesota Voyageur Trail 50 Mile Ultra 13:24:54 h96
06.07 50km USA9th Afton Trail Run 50K 8:04:00 h68
11.05 50mi USA21th Ice Age Trail 50 Mile Run 10:28:33 h139
06.04 50km USA3rd Chicago Lakefront Spring 50km Race 5:53:44 h90
02.02 50km USA14th John Dick Memorial Crusty 50K 5:56:17 h13
2001
29.12 50km USA5th Huff 50K Trail Run 6:35:29 h146
03.11 50km USA9th OPSF Ultra 50 km Race 7:31:00 h30
11.08 8h USA11th Howl at the Moon 8h Run 73.933 km17
10.05 50mi USA20th Ice Age Trail 50 Mile Run 9:42:30 h121
07.04 50km USA2nd Chicago Lakefront Spring 50km Race 5:38:27 h66
2000
30.12 50km USA4th Huff 50K Trail Run 7:25:07 h35
04.11 50mi USA8th OPSF Ultra 50 Mile Race 8:47:33 h8
04.11 50km USA1st Chicago Lakefront Fall 50km Race 6:12:06 h118
12.08 8h USA10th Howl at the Moon 8h Run 76.347 km7
02.06 100mi USA5th Kettle Moraine 100 Mile Endurance Run 25:00:06 h37
13.05 50mi USA19th Ice Age Trail 50 Mile Run 9:06:30 h106
01.04 50km USA1st Chicago Lakefront Spring 50km Race 4:43:28 h35
05.02 50km USA12th John A. Dick Memorial Crusty 50K 5:35:43 h12
1999
06.11 50mi USA7th OPSF Ultra 50 Mile Race 10:47:55 h30
26.09 50km USA13th Glacial Trail 50 km Race 9:12:39 h74
14.08 8h USA9th Howl at the Moon 8h Run 72.323 km17
27.06 50km USARock Island Trail 50km Run 5:48:42 h42
08.05 50mi USA18th Ice Age Trail 50 Mile Run 9:25:05 h129
1998
27.12 50km USA2nd Huff 50K Trail Run 5:17:52 h54
07.11 50mi USA6th OPSF Ultra 50 Mile Race 9:23:51 h8
25.07 50mi USA17th Minnesota Voyageur Trail 50 Mile Ultra 11:33:27 h65
13.06 50km USA1st Best Run By A Dam Site 8:11:46 h51
05.06 100mi USA3rd Kettle Moraine 100 Mile Endurance Run 27:28:26 h60
16.05 50mi USA17th Ice Age Trail 50 Mile Run 11:46:10 h307
07.02 50km USA10th John A. Dick Memorial Crusty 50K 5:33:08 h23
1997
27.12 50km USA1st Huff 50K Trail Run 7:12:30 h94
01.11 50mi USA5th OPSF Ultra 50 Mile Race 12:39:33 h16
17.05 50mi USA16th Ice Age Trail 50 Mile Run 10:27:53 h245
1996
02.11 50mi USA4th OPSF Ultra 50 Mile Race 11:22:35 h15