Jason Midlock
ID 805652
Born : 1984 Cat. M40 Ultrarunner since 2016 USA
30
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
22,5%
Rank quotient ?This runner's calculation uses 30 eligible race(s): Σ(rank − 1) = 1 579; Σ finishers = 7 033. 1 579 / 7 033 × 100 = 22.45%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed30
Km — ultra races2 978 km
> 100 km5
> 160 km4
> 200 km1
> 24h1
Longest race412,8 km
5th Cocodona 250 — 5/5/2025

Km per year (ultra races)

280
3 races
2022
231
3 races
2023
241
2 races
2024
513
2 races
2025
310
3 races
2026

Race types (share of distance)

Road5,7%
Trail89,0%
Elim.5,3%

Wins & podiums (ultra)

🏆 Win3
🏆 Win M4
🏅 Top 36
🏅 Top 3 M7
Longest winning streak1
Current streak0

Records

50 km4h42'56100 km11h18'2050 mi8h10'42100 mi25h53'2424 h170,99 km

HISTORY

30 race(s)
DateRacePerf.Rk
2026
17.07 100mi USA10th High Lonesome 100 Mile 33:52:35 h111
20.06 50km USA11th Two Hearted Trail Run 4:50:00 h4
11.04 98.9km USA12th Gorge Waterfalls 100k 14:01:38 h135
2025
11.07 100km USA10th Cry Me A River 100 km Trail Run 16:22:15 h1 🏆
05.05 412.8km USA5th Cocodona 250 4d 04:01:43 h55
2024
29.06 100mi USA51st Western States 100 Mile Endurance Run 25:53:24 h130
11.05 50mi USA43th Ice Age Trail 50 Mile Run 8:40:40 h27
2023
16.09 50km USA10th The Barkley Fall Classic 12:01:34 h69
08.07 81.3km USA16th Leadville Silver Rush 50 Mile Run 10:42:51 h160
18.02 99.9km USA10th Black Canyon Trail 100 km Run 12:46:17 h187
2022
08.07 100km USA7th Cry Me A River 100 km Trail Run 14:39:35 h2 🥈
14.05 50mi USA41th Ice Age Trail 50 Mile Run 8:10:42 h6
12.02 99.9km USA9th Black Canyon Trail 100 km Run 11:18:20 h68
2021
14.02 100km USA8th Black Canyon Trail 100 km Run 11:57:32 h89
2020
07.11 50km USA3rd Miner 49er 4:42:56 h2 🥈
15.02 100km USA7th Black Canyon Trail 100 km Run 11:47:25 h76
11.01 50km USA8th Frozen Gnome 50K 5:30:47 h9
2019
24.08 15h USA6th Painful Elimination 102.595 km9
22.06 24h USA1st C.R.C Summer Solstice 24 Hour Run / Relay 170.992 km1 🏆
20.04 54km USA7th Insomniac Night Trail Run Series - Sinister Night Runs 5:41:00 h3 🥉
04.04 50mi USA19th Potawatomi 50 Mile Trail Run 9:42:46 h4
16.02 100km USA6th Black Canyon Trail 100 km Run 11:39:32 h121
12.01 50km USA7th Frozen Gnome 50K 5:15:18 h7
2018
25.08 15h USA5th Painful Elimination 54.717 km16
17.02 100km USA5th Black Canyon Trail 100 km Run 12:16:00 h63
2017
02.12 50mi USA8th McDowell Mountain Frenzy 50 Mile 10:23:45 h15
06.05 100km USA22nd Miwok 100k Trail Race 12:00:31 h59
06.04 30mi USA17th Potawatomi 30 Mile Trail Run 5:19:33 h1 🏆
2016
19.11 50mi USA54th JFK 50 Mile 9:06:18 h160
14.05 50mi USA35th Ice Age Trail 50 Mile Run 8:13:03 h19