Mike Mason
ID 68160
Born : 1971 Cat. M55 Ultrarunner since 2005 USA
31
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
3
Countries visited ?FRAFranceMEXMexicoUSAUnited States
10,7%
Rank quotient ?This runner's calculation uses 31 eligible race(s): Σ(rank − 1) = 512; Σ finishers = 4 783. 512 / 4 783 × 100 = 10.70%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed33
Km — ultra races3 234 km
> 100 km13
> 160 km12
Longest race165,0 km
6ème Ultra Trail Tour du Mont Blanc (UTMB) — 29/8/2008

Km per year (ultra races)

2022
2023
50
1 race
2024
161
1 race
2025
2026

Race types (share of distance)

Trail96,0%
Stage4,0%

Wins & podiums (ultra)

🏆 Win2
🏆 Win M2
🏅 Top 312
🏅 Top 3 M13
Longest winning streak1
Current streak0

Records

50 km4h53'22100 km12h05'3750 mi7h24'01100 mi19h05'04

HISTORY

31 race(s)
DateRacePerf.Rk
2025
01.03 100mi MEX17th Ultra Caballo Blanco Copper Canyon Ultra 25:34:00 h3 🥉
2024
20.07 50km USA17th Speedgoat 50k 8:23:59 h122
2021
02.05 50mi USA6th Grayson Highlands 50 Mile Race 7:24:01 h3 🥉
30.01 50km USA3rd South Mountains Marathons 7:09:56 h47
2020
25.07 50km USA13th Speedgoat 50k 8:23:25 h44
2019
18.05 100mi USA25th Massanutten Mountain Trails 100 Mile 24:49:59 h11
02.03 50km USA4th Fontandango 50 km 4:53:22 h3 🥉
2017
14.10 50km USA5th WC-50 Ultra Trail Marathon 50km 6:09:10 h11
2015
08.08 32.5mi USA8th Martha Moats Baker Memorial 50k 5:48:00 h2 🥈
2013
06.09 100mi USA34th Wasatch Front 100 Mile 23:16:28 h8
2012
03.11 100mi USA5th Pinhoti 100 Mile 20:38:40 h8
02.06 100mi USA34th Old Dominion 100 Mile Endurance Run 19:05:04 h3 🥉
04.02 40mi USA20th Uwharrie Mountain Run 6:31:52 h1 🏆
2011
26.02 40mi USA13th Mount Mitchell Challenge 6:11:16 h15
2010
21.08 100mi USA28th Leadville Trail 100 Mile 24:20:48 h71
27.03 50mi USA6th Bel Monte 50 Mile Endurance Run 8:42:34 h4
2009
01.10 100mi USA2nd Grindstone 100 Mile 22:09:54 h4
16.05 100mi USA15th Massanutten Mountain Trails 100 Mile 20:43:04 h3 🥉
2008
29.08 165km FRA6ème Ultra Trail Tour du Mont Blanc 31:19:00 h106
14.06 50mi USA14th Bethel Hill Moonlight Boogie 50 Miles 7:25:59 h2 🥈
22.03 50mi USA4th Bel Monte 50 Mile Endurance Run 8:58:18 h1 🏆
23.02 40mi USA10th Mount Mitchell Challenge 5:41:37 h9
2007
29.09 100km USA5th Great Eastern Endurance Run 100 km 12:05:37 h3 🥉
08.09 100mi USA28th Wasatch Front 100 Mile 23:14:58 h5
16.06 35mi USA13th Laurel Valley 35 Miles 7:35:07 h5
19.05 100mi USA13th Massanutten Mountain Trails 100 Mile 24:45:30 h10
03.02 40mi USA15th Uwharrie Mountain Run 7:04:49 h8
2006
13.05 100mi USA12th Massanutten Mountain Trails 100 Mile 22:33:52 h8
29.04 50km USA6th Promise Land 50K++ 5:20:00 h3 🥉
17.03 130km/3stages USA2nd Three Days of Syllamo Stage Race 13:31:00 h2 🥈
2005
15.10 50mi USA23th Mountain Masochist 50 Mile Trail Run 8:29:28 h18