Mark Bowman
Born : 1954 Cat. M70 Ultrarunner since 1996 USA
54
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
59
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
29,4%
Rank quotient ?This runner's calculation uses 84 eligible race(s): Σ(rank − 1) = 2 896; Σ finishers = 9 844. 2 896 / 9 844 × 100 = 29.42%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed84
Km — ultra races6 212 km
> 100 km8
> 160 km4
> 24h6
> 48h2
Longest race160,9 km

Km per year (ultra races)

249
4 races
2022
165
3 races
2023
268
4 races
2024
268
4 races
2025
121
1 race
2026

Race types (share of distance)

Road44,0%
Trail54,7%
Elim.1,3%

Wins & podiums (ultra)

🏆 Win1
🏆 Win M1
🏅 Top 32
🏅 Top 3 M4
Longest winning streak1
Current streak0

HISTORY

84 race(s)
DateRacePerf.Rk
2026
03.09 92h USA12th A Race for the Ages 120.700 km84
2025
08.11 50km USA13th Paleozoic Trail Runs - Ordovician Fall 50K 7:03:07 h69
19.09 48h USA6th Last Dot Standing 48 Hours 108.147 km16
23.08 8h USA8th Terra Sans Pave - Terathlon 8-Hour 60.350 km14
22.03 50km USA13th Paleozoic Trail Runs - Permian Spring II 50K 6:27:53 h28
2024
24.08 8h USA7th Terra Sans Pave - Terathlon 8-Hour 62.362 km9
03.08 100km USA6th Badger Trail Races by Ten Junk Miles Racing 16:42:16 h23
11.05 8h USA6th Galena Sky Trail Race 8 Hours 56.088 km36
23.03 50km USA12th Paleozoic Trail Runs - Cambrian Spring II 50K 7:03:58 h52
2023
11.11 50km USA11th Paleozoic Trail Runs - Ordovician Fall 50K 6:39:23 h44
26.08 8h USA6th Terra Sans Pave - Terathlon 8-Hour 65.178 km11
18.03 50km USA11th Paleozoic Trail Runs - Cambrian Spring II 50K 6:29:39 h35
2022
15.10 50km USA12th Des Plaines River 50 km Trail Race 6:40:53 h41
27.08 12h USA1st Dog Days of Summer 12h 90.123 km2 🥈
14.05 8h USA4th Galena Sky Trail Race 8 Hours 58.773 km16
18.03 50km USA10th Paleozoic Trail Runs - Cambrian Spring II 50K 6:59:20 h44
2021
14.08 8h USA31st Howl at the Moon 8 Hour Run 68.397 km15
29.05 50km USA1st Sugar Badger 50 km Race 5:48:41 h39
2020
13.11 50km USA8th Paleozoic Trail Runs - Ordovician Fall 50K 6:45:18 h32
10.10 Backyard Ultra USA1st Last Dot Standing Backyard 81.110 km14
2019
03.08 100km USA1st Badger Trail Races 100K 13:33:35 h11
23.03 50km USA7th Paleozoic Trail Runs - Silurian Spring 50K 6:23:52 h24
2018
01.12 50km USA5th Arctic Frog 50 km Race 5:57:56 h34
20.10 24h USA9th St. Pats 24 Hour Races 74.029 km7
06.10 50mi USA4th The Hennepin Hundred - 50 Mile Run 9:48:10 h29
11.08 8h USA28th Howl at the Moon 8 Hour Run 65.146 km24
14.07 6h USA5th Christmas in July 6 Hour Run 49.889 km6
30.06 15:30h USA8th Dawn to Dusk Endurance Run 15:30 Hour 83.685 km14
19.05 8h USA1st Galena Sky Trail Race 8 Hours 68.638 km5
21.04 50km USA7th Earth Day 50k 5:55:04 h33
24.03 50km USA6th Paleozoic Trail Runs - Silurian Spring 50K 5:53:55 h28
2017
12.08 8h USA27th Howl at the Moon 8 Hour Run 74.931 km11
14.07 12h USA4th Christmas in July 12 Hour Run 93.972 km6
17.06 50mi USA28th Mohican Trail 50 Mile 12:34:40 h39
25.03 50km USA5th Paleozoic Trail Runs - Silurian Spring 50K 5:37:36 h36
2016
12.11 50mi USA3rd Tunnel Hill 50 Mile Race 9:47:15 h74
04.09 50km USA2nd Lake Michigan Trail Marathon 50k 4:56:34 h9
13.08 8h USA26th Howl at the Moon 8 Hour Run 73.659 km13
04.06 100km USA21st Kettle Moraine 100 km Endurance Run 13:25:41 h16
2015
21.11 50mi USA53rd JFK 50 Mile 9:44:43 h279
12.09 100mi USA1st The Hennepin Hundred - 100 Mile Run 19:58:06 h10
08.08 8h USA25th Howl at the Moon 8 Hour Run 76.540 km4
19.07 6h USA2nd Christmas in July 6 Hour Run 45.424 km12
2014
09.08 8h USA24th Howl at the Moon 8 Hour Run 53.752 km122
2013
10.08 8h USA23rd Howl at the Moon 8 Hour Run 72.855 km10
2012
11.08 8h USA22nd Howl at the Moon 8 Hour Run 73.659 km23
23.06 50km USA3rd San Lorenzo River Trail Run 6:18:59 h16
2011
13.08 8h USA21st Howl at the Moon 8h Run 66.755 km32
2010
14.08 8h USA20th Howl at the Moon 8h Run 76.540 km11
2009
08.08 8h USA19th Howl at the Moon 8h Run 72.855 km10
2008
06.12 50mi USA19th Sunmart Texas Trails 50 Mile 10:03:57 h84
11.10 100mi USA9th Heartland 100 Mile Race 21:32:24 h14
09.08 8h USA18th Howl at the Moon 8h Run 75.735 km20
05.04 50km USA9th Chicago Lakefront Spring 50km Race 4:50:29 h32
2007
27.10 50mi USA8th Chicago Lakefront Fall 50 Mile Race 7:53:14 h10
11.08 8h USA17th Howl at the Moon 8h Run 78.149 km8
31.03 50km USA8th Chicago Lakefront Spring 50km Race 4:53:11 h38
2006
12.08 8h USA16th Howl at the Moon 8h Run 76.540 km16
2005
16.04 30mi USA5th McNaughton 30 Mile Ultra Race 5:47:33 h24
2004
06.11 100mi USA4th Dan Rossi Memorial Ultra 100 Mile 19:00:50 h1 🏆
26.09 50km USA1st Rock Cut Hobo 50K 5:09:11 h9
14.08 8h USA14th Howl at the Moon 8h Run 84.249 km4
03.04 30mi USA4th McNaughton 30 Mile Ultra Race 6:25:36 h38
03.04 50mi USA4th McNaughton 50 Mile Ultra Race 10:58:49 h20
2003
19.07 50mi USA3rd Tahoe Rim Trail 50M Endurance Runs 11:31:34 h29
07.06 100km USA8th Kettle Moraine 100 km Endurance Run 12:49:00 h11
12.04 50km USA3rd McNaughton 50 km Ultra Race 4:55:42 h8
2002
10.08 8h USA12th Howl at the Moon 8h Run 51.659 km88
06.04 50mi USA2nd McNaughton 50 Mile Ultra Race 8:59:27 h6
2001
11.08 8h USA11th Howl at the Moon 8h Run 81.513 km8
10.05 50mi USA20th Ice Age Trail 50 Mile Run 8:51:32 h64
07.04 50km USA2nd Chicago Lakefront Spring 50km Race 4:23:50 h21
2000
16.09 24h USA10th Olander Park 24 Hour Run 126.417 km72
12.08 8h USA10th Howl at the Moon 8h Run 78.294 km6
02.06 100mi USA5th Kettle Moraine 100 Mile Endurance Run 23:18:58 h25
13.05 50mi USA19th Ice Age Trail 50 Mile Run 10:20:02 h213
01.04 50km USA1st Chicago Lakefront Spring 50km Race 4:44:56 h39
1999
18.12 50km USA3rd Huff 50K Trail Run 5:00:09 h31
14.08 8h USA9th Howl at the Moon 8h Run 75.542 km13
08.05 50mi USA18th Ice Age Trail 50 Mile Run 9:36:03 h151
1998
07.11 50km USA6th OPSF Ultra 50 km Race 5:01:00 h9
16.05 50mi USA17th Ice Age Trail 50 Mile Run 9:53:31 h138
1997
17.05 50mi USA16th Ice Age Trail 50 Mile Run 9:17:51 h126
1996
29.06 24h USA7th FANS 24 Hour Runs 123.275 km32