Michael Morrow-Fox
Born : 1957 Cat. M65 Ultrarunner since 1993 USA
23
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
45
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
62,3%
Rank quotient ?This runner's calculation uses 25 eligible race(s): Σ(rank − 1) = 1 450; Σ finishers = 2 327. 1 450 / 2 327 × 100 = 62.31%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed25
Km — ultra races2 797 km
> 100 km15
> 160 km5
> 24h22
> 48h4
Longest race162,2 km

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road86,8%
Trail13,2%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M0
🏅 Top 30
🏅 Top 3 M2
Longest winning streak0
Current streak0

HISTORY

25 race(s) · 1 split(s) nested
DateRacePerf.Rk
2016
27.02 12h USA2nd SCT Dawn to Dusk 12 Hour Challenge 48.280 km24
2013
09.11 24h USA1st Operation Ultra 24 Hour Endurance Run 143.392 km4
2012
06.05 24h USA4th North Coast 24 Hour Endurance Run Spring 66.675 km78
2011
18.11 48h USA11th Ultracentric 48 Hour Run 160.934 km6
17.09 24h USANorth Coast 24 Hour Endurance Run - USATF Nat. Championchips 56.536 km86
17.09 24h USA3rd North Coast 24 Hour Endurance Run - Open race 56.536 km172
2008
25.07 24h USA12th Around The Lake Ultra 24h 101.711 km26
2007
16.11 48h USA7th Ultracentric 48 Hour Run 83.685 km24
2006
17.11 48h USA6th Ultracentric 48 Hour Run 162.221 km13
29.07 24h USA10th Around The Lake Ultra 24h 86.453 km33
2002
14.09 24h USA12th Olander Park 24 Hour Run 71.988 km145
2001
15.09 24h USA11th Olander Park 24 Hour Run 161.533 km40
2000
16.09 24h USA10th Olander Park 24 Hour Run 129.929 km63
1999
10.11 48h USA1st Texas A&M University 48hr Run 104.559 km9
18.09 24h USA9th Olander Park 24 Hour Run - US Championships 121.356 km77
18.09 24h USA9th Olander Park 24 Hour Run - Open race 121.356 km80
10.04 100mi USA5th Umstead Endurance Run 100 Miles 29:07:30 h48
1998
19.09 24h USA8th Olander Park 24 Hour Run 81.284 km124
04.04 100mi USA4th Umstead Endurance Run 100 Miles 26:42:39 h46
1997
26.09 24h USA7th Olander Park 24 Hour Run 146.312 km62
1996
05.10 24h USAChildren's Hospital 24 Hour Run 128.747 km6
14.09 24h USA6th Olander Park 24 Hour Run 86.695 km111
1995
16.09 24h USA5th Olander Park 24 Hour Run 113.798 km59
1994
17.09 24h USA4th Olander Park 24 Hour Run 159.446 km30
1993
18.09 24h USA3rd Olander Park 24 Hour Run 81.284 km109