Michael Langford
Born : 1973 Cat. M50 Ultrarunner since 2015 USA
34
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
46
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
84,4%
Rank quotient ?This runner's calculation uses 34 eligible race(s): Σ(rank − 1) = 4 257; Σ finishers = 5 044. 4 257 / 5 044 × 100 = 84.40%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed34
Km — ultra races2 587 km
> 100 km6
> 160 km6
> 24h3
Longest race160,9 km
4th Copper Kings 100 — 26/6/2026

Km per year (ultra races)

308
4 races
2022
50
1 race
2023
230
4 races
2024
198
3 races
2025
161
1 race
2026

Race types (share of distance)

Trail100,0%

HISTORY

34 race(s)
DateRacePerf.Rk
2026
26.06 100mi USA4th Copper Kings 100 37:05:28 h102
2025
25.07 50km USA18th Speedgoat 50k 11:33:01 h443
14.06 68km USA6th Twisted Fork Run 12:17:18 h71
08.03 50mi USA13th Marin Ultra Challenge 50 Mile Race 13:43:13 h129
2024
24.08 50km USA6th Elephant Rock 50km Trail Run 11:25:00 h11
20.07 50km USA17th Speedgoat 50k 11:42:35 h416
11.05 50km USA2nd Salt Lake Foothill Trail Races 8:03:29 h73
09.03 50mi USA12th Marin Ultra Challenge 50 Mile Race 13:32:09 h111
2023
06.05 50km USA1st Salt Lake Foothill Trail Races 8:19:00 h81
2022
09.09 100mi USA43th Wasatch Front 100 Mile 35:13:24 h137
13.08 50km USA4th Elephant Rock 50km Trail Run 11:20:00 h15
23.07 50km USA15th Speedgoat 50k 11:46:34 h285
05.02 24h USA6th Running Up For Air - Grandeur Peak 46.670 km38
2021
24.09 100mi USA23rd The Bear 100 Mile Endurance Run 34:53:48 h171
24.07 50km USA14th Speedgoat 50k 12:09:51 h216
26.06 64km USA4th Twisted Fork Run 11:23:56 h99
2020
25.07 50km USA13th Speedgoat 50k 13:06:00 h143
27.06 64km USA3rd Twisted Fork Run 11:45:49 h96
2019
12.10 50km USA8th Corner Canyon Ultra Trail Run 6:07:13 h41
29.06 64km USA2nd Twisted Fork Run 11:30:00 h93
09.03 50mi USA8th Marin Ultra Challenge 50 Mile Race 12:36:49 h141
09.02 24h USA4th Running Up For Air - Grandeur Peak 46.670 km23
2018
07.09 100mi USA39th Wasatch Front 100 Mile 34:12:57 h136
21.07 50km USA11th Speedgoat 50k 11:43:16 h207
09.02 24h USA3rd Running Up For Air - Grandeur Peak 46.670 km23
2017
08.09 100mi USA38th Wasatch Front 100 Mile 34:37:14 h162
19.08 50km USA1st Harriman Peak 50k 5:59:26 h10
29.07 50km USA10th Speedgoat 50k 11:08:11 h160
07.04 100km USA6th The Zion 100 km Run 19:10:48 h95
2016
15.10 50km USA5th Corner Canyon Ultra Trail Run 8:09:44 h28
09.09 100mi USA37th Wasatch Front 100 Mile 34:46:35 h193
09.07 50km USA9th Speedgoat 50k 10:53:13 h169
2015
26.09 50mi USA2nd Endurance Challenge - Utah Trail 50 Miles 14:17:05 h86
08.08 50km USA9th El Vaquero Loco 50K Mountain Race 10:08:47 h87