Donald Groom
ID 239097
Born : 1964 Cat. M60 Ultrarunner since 2011 USA
22
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
71,4%
Rank quotient ?This runner's calculation uses 22 eligible race(s): Σ(rank − 1) = 995; Σ finishers = 1 393. 995 / 1 393 × 100 = 71.43%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed22
Km — ultra races2 850 km
> 100 km13
> 160 km13
> 24h5
Longest race160,9 km
1st Iron Will 100 Miles — 10/9/2022

Km per year (ultra races)

161
1 race
2022
282
3 races
2023
182
2 races
2024
80
1 race
2025
53
1 race
2026

Race types (share of distance)

Road13,3%
Trail86,7%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M1
🏅 Top 31
🏅 Top 3 M3
Longest winning streak0
Current streak0

Records

100 km18h43'3350 mi10h57'13100 mi25h16'0824 h82,14 km

HISTORY

22 race(s)
DateRacePerf.Rk
2026
24.04 24h USA4th Earth Day Buckle Mania 24h 52.803 km10
2025
13.09 36h USA4th Iron Will 36Hours 80.467 km12
2024
07.09 36h USA3rd Iron Will 36Hours 99.779 km8
20.04 24h USA2nd Earth Day Buckle Mania 24h 82.138 km8
2023
14.10 100km USA24th Heartland 100 km Race 19:14:16 h5
09.09 100km USA2nd Iron Will 100 km 18:43:33 h2 🥈
22.04 24h USA1st Earth Day Buckle Mania 24h 82.138 km9
2022
10.09 100mi USA1st Iron Will 100 Miles 31:47:24 h11
2019
26.10 100mi USA17th Javelina Jundred 100 Mile Endurance Run 28:46:20 h362
16.08 100mi USA15th Lean Horse Ultra-Marathon 100 Mile 25:49:27 h27
2018
27.10 100mi USA16th Javelina Jundred 100 Mile Endurance Run 28:08:19 h289
07.07 100mi USA5th Honey Badger 100 Mile Ultra Road Race 33:05:09 h16
2017
14.10 100mi USA18th Heartland 100 Mile Race 28:31:17 h22
09.09 100mi USA8th Hawk Hundred - 100 Mile Trail Run 27:18:11 h11
16.06 100mi USA5th Bryce 100 Mile Trail Run 34:03:11 h98
29.04 50mi USA4th Heartland 50 Mile Race 13:16:33 h13
2016
08.10 100mi USA17th Heartland 100 Mile Race 26:11:23 h20
10.09 100mi USA7th Hawk Hundred - 100 Mile Trail Run 27:21:48 h15
2015
12.09 100mi USA6th Hawk Hundred - 100 Mile Trail Run 28:12:06 h10
2014
11.10 100mi USA15th Heartland 100 Mile Race 25:16:08 h14
2013
12.10 50mi USA14th Heartland 50 Mile Race 10:57:13 h7
2011
08.10 100mi USA12th Heartland 100 Mile Race 27:28:00 h48