Mark Francis
Born : 1964 Cat. M60 Ultrarunner since 2000 USA
32
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
74,3%
Rank quotient ?This runner's calculation uses 32 eligible race(s): Σ(rank − 1) = 2 917; Σ finishers = 3 926. 2 917 / 3 926 × 100 = 74.30%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed32
Km — ultra races2 305 km
> 100 km3
> 160 km3
Longest race160,9 km

Km per year (ultra races)

2022
2023
50
1 race
2024
2025
2026

Race types (share of distance)

Road22,5%
Trail77,5%

HISTORY

32 race(s)
DateRacePerf.Rk
2024
08.06 50km USA29th Kettle Moraine 50 km Endurance Run 10:29:10 h104
2019
01.06 50km USA24th Kettle Moraine 50 km Endurance Run 9:02:56 h95
2018
07.07 50km USA4th Cry Me A River 50 km Trail Run 11:15:38 h43
16.06 50mi USA29th Mohican Trail 50 Mile 16:32:44 h147
02.06 50km USA23rd Kettle Moraine 50 km Endurance Run 8:39:52 h64
2016
09.07 50km USA2nd Cry Me A River 50 km Trail Run 11:03:05 h24
04.06 100km USA21st Kettle Moraine 100 km Endurance Run 17:31:25 h72
2015
06.06 50km USA20th Kettle Moraine 50 km Endurance Run 9:56:01 h71
09.05 50mi USA34th Ice Age Trail 50 Mile Run 11:36:11 h249
2014
07.06 38mi USA19th Kettle Moraine 38 Mile Fun Run 9:45:37 h37
2013
01.06 100mi USA18th Kettle Moraine 100 Mile Endurance Run 29:04:11 h97
11.05 50mi USA32nd Ice Age Trail 50 Mile Run 11:28:42 h255
06.04 100mi USA13th Potawatomi 100 Mile Trail Run 34:46:22 h15
23.03 50km USA14th Chicago Lakefront Spring 50km Race 5:42:25 h115
2012
15.12 50mi USA5th Lookout Mountain 50 Mile Race 12:46:26 h178
02.06 100mi USA17th Kettle Moraine 100 Mile Endurance Run 28:07:22 h91
12.05 50mi USA31st Ice Age Trail 50 Mile Run 11:01:45 h179
22.04 50km USA1st Earth Day 50k 6:09:53 h43
2011
15.10 50km USA1st Taturs Pumpkin Holler 50 km Race 7:33:44 h69
17.09 50mi USA4th Endurance Challenge - Wisconsin Trail 50 Miles 10:55:13 h114
14.05 50mi USA30th Ice Age Trail 50 Mile Run 10:56:26 h157
26.03 50km USA12th Chicago Lakefront Spring 50km Race 6:18:03 h108
2010
18.12 50km USA1st Deer Grove FA50 7:09:00 h14
30.10 30mi USA10th Potawatomi 30 Mile Trail Run 7:07:00 h27
18.09 50km USA3rd Endurance Challenge - Wisconsin Trail 50 km 6:13:21 h88
2009
09.05 50mi USA28th Ice Age Trail 50 Mile Run 11:38:44 h183
04.04 50km USA10th Chicago Lakefront Spring 50km Race 5:42:56 h81
2008
01.11 50mi USA9th Chicago Lakefront Fall 50 Mile Race 10:29:49 h54
2002
02.11 50mi USA3rd Chicago Lakefront Fall 50 Mile Race 10:33:54 h34
10.08 8h USA12th Howl at the Moon 8h Run 57.630 km56
06.04 50km USA3rd Chicago Lakefront Spring 50km Race 4:58:31 h39
2000
04.11 50km USA1st Chicago Lakefront Fall 50km Race 5:04:52 h46