Marc Friesen
ID 23293
Born : 1974 Cat. M50 Ultrarunner since 1994 USA
40
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
26,7%
Rank quotient ?This runner's calculation uses 40 eligible race(s): Σ(rank − 1) = 474; Σ finishers = 1 777. 474 / 1 777 × 100 = 26.67%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed40
Km — ultra races3 319 km
> 100 km8
> 160 km1
> 24h7
Longest race160,9 km
5th Kettle Moraine 100 Mile Endurance Run — 2/6/2000

Km per year (ultra races)

2022
185
2 races
2023
2024
2025
2026

Race types (share of distance)

Road34,5%
Trail65,5%

Wins & podiums (ultra)

🏆 Win6
🏆 Win M6
🏅 Top 38
🏅 Top 3 M9
Longest winning streak2
Current streak0

Records

50 km3h53'47100 km9h05'2150 mi7h29'09100 mi23h02'2112 h80,76 km24 h149,67 km

HISTORY

41 race(s)
DateRacePerf.Rk
2023
10.11 24h USA17th KUS 24 Hour Ultramarathon 104.800 km10
01.04 50mi USA24th Rockin-K Trail 50 Mile 11:32:14 h4
2021
12.11 24h USA15th KUS 24 Hour Ultramarathon 135.184 km6
08.10 100km USA22th Heartland 100 km Race 14:47:14 h5
01.05 50mi USA8th Heartland 50 Mile Race 8:43:09 h4
2020
13.11 24h USA14th KUS 24 Hour Ultramarathon 118.286 km13
2015
14.11 12h USA9th KUS 12 Hour Ultramarathon 80.756 km4
2014
13.07 50mi USA7th Leadville Silver Rush 50 Mile Run 8:30:49 h14
2012
07.04 50mi USA14th Rockin-K Trail 50 Mile 10:13:56 h10
2011
15.07 50km USA4th Lunar Trek 50 km Night Run 5:22:28 h3 🥉
2010
24.04 40mi USA4th Vasque Free State Trail 40 Miles Run 7:33:38 h7
03.04 50mi USA12th Rockin-K Trail 50 Mile 11:12:53 h18
2009
04.04 50mi USA11th Rockin-K Trail 50 Mile 11:46:59 h10
2007
29.07 50km USA4th Salt Point Trail Run 4:51:37 h1 🏆
07.04 50mi USA9th Rockin-K Trail 50 Mile 8:05:40 h1 🏆
13.01 50km USA7th Bandera 50 km Ultratrail 6:18:24 h20
2006
14.10 50mi USA7th Heartland 50 Mile Race 9:51:59 h20
08.04 50mi USA8th Rockin-K Trail 50 Mile 11:50:40 h12
2005
02.04 50mi USA7th Rockin-K Trail 50 Mile 12:45:11 h13
2004
25.09 50km USA10th Flatrock 50K 7:11:28 h14
18.06 50mi USA13th Bighorn Mountain Wild & Scenic 50mi Trail Run 14:44:10 h83
2003
05.04 50mi USA5th Rockin-K Trail 50 Mile 9:25:46 h6
2002
19.10 100km USA16th Edmund Fitzgerald 100K Road Race 9:05:21 h13
06.04 50mi USA4th Rockin-K Trail 50 Mile 8:54:38 h12
23.03 50km USA9th GNC 50 km Run Challenge 3:53:47 h20
2001
07.04 50mi USA3rd Rockin-K Trail 50 Mile 7:55:56 h1 🏆
21.01 24h USA5th KUS 24 Hour Ultramarathon 149.668 km4
2000
25.11 24h USA1st Ultracentric 24 Hour Run 113.185 km10
11.11 50km USA7th Quivering Quads 50K Trail Race 4:44:53 h5
02.06 100mi USA5th Kettle Moraine 100 Mile Endurance Run 23:02:21 h23
01.04 50mi USA2nd Rockin-K Trail 50 Mile 7:49:58 h1 🏆
25.03 50km USA7th GNC 100 km Run Challenge - 50km Split 3:54:17 h27
1999
01.05 50km USA1st Lake McMurtry 50 km Trail Race 4:51:57 h4
03.04 50mi USA1st Rockin-K Trail 50 Mile 7:29:09 h2 🥈
1998
07.11 50km USA5th Quivering Quads 50K Trail Race 4:12:52 h1 🏆
14.02 50km USA4th East Texas Ultra Runners 50K 4:25:27 h6
1997
08.11 50mi USA4th Quivering Quads 50M Trail Race 7:46:49 h1 🏆
1996
12.12 50mi USA7th Sunmart Texas Trails 50 Mile 8:42:19 h100
1995
24.11 24h USADallas UltraRunners / Plano Pacers 24 Hour Track Race 120.797 km8
08.04 24h USA2nd Run Wichita 24 Hour Run 100.004 km12
1994
10.04 12h USA1st Run Wichita 12 Hour Run 72.420 km13