Mack Warren
ID 873389
Born : 1978 Cat. M45 Ultrarunner since 2016 USA
25
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
41
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
2
Countries visited ?ITAItalyUSAUnited States
34,6%
Rank quotient ?This runner's calculation uses 25 eligible race(s): Σ(rank − 1) = 2 134; Σ finishers = 6 170. 2 134 / 6 170 × 100 = 34.59%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed25
Km — ultra races2 300 km
> 100 km5
> 160 km4
> 24h4
Longest race160,9 km
16th Coldwater Rumble 100 Mile Race — 17/1/2026

Km per year (ultra races)

411
4 races
2022
200
2 races
2023
2024
145
2 races
2025
341
3 races
2026

Race types (share of distance)

Road6,7%
Trail93,3%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M0
🏅 Top 31
🏅 Top 3 M1
Longest winning streak0
Current streak0

Records

50 km5h30'17100 km13h31'0050 mi9h42'06100 mi23h17'3912 h65,53 km24 h88,51 km

HISTORY

25 race(s)
DateRacePerf.Rk
2026
11.07 50mi USA19th Leadville Silver Rush 50 Mile Run 9:42:06 h110
14.02 100km USA13th Black Canyon Trail 100 km Run 13:31:00 h252
17.01 100mi USA16th Coldwater Rumble 100 Mile Race 25:52:55 h38
2025
08.11 50mi USA5th Kessel Run 50 Mile Ultra Race 10:17:45 h13
27.09 24h USA12th 24 Hours of Palmer Lake Fun Run 64.666 km83
2023
01.09 100km ITA17ème Courmayeur-Champex-Chamonix 21:43:12 h872
29.07 100km USA9th Never Summer 100k 18:01:13 h48
2022
16.09 100mi USA16th Run Rabbit Run 100 Mile UltraMarathon - Hares Run 27:48:15 h44
30.07 100km USA8th Never Summer 100k 17:20:31 h48
14.05 12h USA2nd ENDURE 12 Hour Race 65.532 km7
13.02 30h USA5th Stories Ultra 30 Hour Run 84.715 km19
2021
10.07 50km USA13th Silverton Alpine 50K 5:37:46 h20
15.05 12h USA1st ENDURE 12 Hour Race 63.585 km25
06.02 30h USA4th Stories Ultra 30 Hour Run 113.844 km13
2019
26.10 100mi USA17th Javelina Jundred 100 Mile Endurance Run 23:17:39 h123
21.09 50mi USA2nd Sangre de Cristo Ultra 50 Mile Race 10:05:00 h3 🥉
06.07 50mi USA12th Leadville Silver Rush 50 Mile Run 9:42:06 h109
2018
08.12 55km USA2nd Sawmill 55k Race 6:52:00 h10
18.08 100mi USA36th Leadville Trail 100 Mile 26:56:20 h124
08.07 50mi USA11th Leadville Silver Rush 50 Mile Run 10:10:07 h78
2017
03.06 50mi USA8th North Fork 50 Mile Trail Race 10:38:17 h29
06.05 51.4mi USA18th Collegiate Peaks 50 Miles 11:08:12 h15
15.04 24h USA4th 24 Hours of Palmer Lake Fun Run 88.513 km35
2016
03.12 50km USA7th McDowell Mountain Frenzy 50 km 5:30:17 h12
15.10 55km USA3rd Indian Creek Fifties - 55 km 7:25:00 h29