Robert Harem
Born : 1984 Cat. M40 Ultrarunner since 2011 USA
28
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
53
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 ?ESPSpainFRAFranceUSAUnited States
26,1%
Rank quotient ?This runner's calculation uses 28 eligible race(s): Σ(rank − 1) = 1 262; Σ finishers = 4 842. 1 262 / 4 842 × 100 = 26.06%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed28
Km — ultra races3 483 km
> 100 km14
> 160 km14
> 200 km1
> 24h3
Longest race383,0 km

Km per year (ultra races)

387
3 races
2022
402
3 races
2023
211
2 races
2024
161
1 race
2025
2026

Race types (share of distance)

Road10,4%
Trail86,9%
Elim.2,7%

Wins & podiums (ultra)

🏆 Win6
🏆 Win M6
🏅 Top 311
🏅 Top 3 M11
Longest winning streak3
Current streak0

HISTORY

28 race(s)
DateRacePerf.Rk
2025
24.10 100mi USA9th No Business 100 27:50:38 h52
2024
14.06 100mi USA32nd Bighorn Mountain Wild & Scenic 100 Mile Trail Run 30:33:13 h80
02.03 50km USA9th Conquer the Rock - Foothills 50K 7:12:09 h12
2023
14.07 100mi USA30th Hardrock Hundred Endurance Run 38:54:55 h44
20.05 100mi USA29th Massanutten Mountain Trails 100 Mile 25:27:57 h17
25.03 50mi USA1st Mount Mitchell Heartbreaker 12:06:50 h20
2022
29.10 24h USA9th Delirium Ultra 24 Hour Run 167.294 km3 🥉
26.08 170km FRA19ème Ultra Trail Tour du Mont Blanc 39:35:03 h814
08.01 8h USA4th Retreat Repeat Run 49.245 km27
2021
09.07 162km ESPVal d'Aran by UTMB - Torn dera Val d'Aran 38:05:55 h127
20.03 100mi USA9th Lake Martin 100 Mile Endurance Race 20:01:52 h2 🥈
2020
09.10 238mi USA4th Moab 240 Endurance Run 3d 02:03:30 h4
20.09 100mi USA10th The Georgia Jewel 100 Mile Run 21:18:44 h3 🥉
14.03 50km USA6th Peyton's Wild and Wacky 10x5km Ultra 3:48:24 h7
2019
05.10 100km USA3rd Bull Mountain 100 km Epic Run 11:49:37 h1 🏆
14.09 106mi USA8th Mogollon Monster 100 Mile 28:18:24 h20
2014
25.10 Backyard Ultra USA1st Asylum Ultra - Last Man Standing 93.884 km (14h)8
03.10 100mi USA6th Grindstone 100 Mile 22:33:30 h11
08.02 24h USA3rd Delirium Ultra 24 Hour Run 193.684 km1 🏆
2013
23.11 50km USA4th Madder Marsh 50k 3:43:58 h1 🏆
28.09 50mi USA4th Endurance Challenge - Georgia Trail 50 Miles 8:08:05 h3 🥉
14.09 50km USA4th Long Cane 50 km 5:04:48 h1 🏆
20.07 50mi USA3rd Cremator Ultra 50 Mile Endurance Race 7:23:44 h1 🏆
09.03 33mi USA14th Oak Mountain 50km Race 4:31:32 h1 🏆
16.02 50km USA8th Black Warrior 50K 4:16:20 h2 🥈
2012
13.10 50mi USA3rd Endurance Challenge - Georgia Trail 50 Miles 9:07:26 h5
18.08 100mi USA30th Leadville Trail 100 Mile 21:26:51 h19
2011
15.10 50mi USA4th Nashville 50 Mile Ultra Marathon 7:19:50 h4