Rob Morrison
ID 853620
Born : 1980 Cat. M45 Ultrarunner since 2010 USA
27
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
40
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
53,7%
Rank quotient ?This runner's calculation uses 27 eligible race(s): Σ(rank − 1) = 829; Σ finishers = 1 544. 829 / 1 544 × 100 = 53.69%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed27
Km — ultra races2 144 km
> 100 km5
> 160 km4
> 24h1
Longest race160,9 km
8th Mines of Spain 100 Mile Race — 17/10/2025

Km per year (ultra races)

237
3 races
2022
372
3 races
2023
352
4 races
2024
526
7 races
2025
427
6 races
2026

Race types (share of distance)

Road22,9%
Trail77,1%

Records

50 km5h06'54100 km17h24'4350 mi8h44'26100 mi28h47'3924 h116,40 km

HISTORY

27 race(s)
DateRacePerf.Rk
2026
29.08 50km USA5th ScoCo 50 5:30:20 h21
18.07 50km USA4th Lake Macbride Trail Races 7:02:59 h21
06.06 50km USA9th Crater 50km Trail Run - Driftless Discovery 7:38:38 h39
02.05 24h USA43th Cornbelt Running Club 24 Hour Run 116.403 km12
18.04 50mi USA6th Loud Thunder 50 Mile Race 12:14:41 h24
21.03 50mi USA8th Get Lucky 50 Mile Trail Race 8:44:26 h14
2025
17.10 100mi USA8th Mines of Spain 100 Mile Race 32:17:02 h64
04.10 50km USA5th Swiss Valley 50 km Trail Race 7:15:00 h6
13.09 45km USA11th Pleasant Creek Trail Run 5:06:28 h8
14.06 9h USA10th Schuetzen NEIN! Hour Endurance Run 58.821 km22
10.05 50mi USA44th Ice Age Trail 50 Mile Run 11:06:03 h113
19.04 50mi USA5th Loud Thunder 50 Mile Race 13:32:55 h34
15.03 50km USA9th One Hundred K's of Convenience 50 km Race 6:06:18 h13
2024
18.10 100mi USA7th Mines of Spain 100 Mile Race 28:47:39 h42
15.06 9h USA9th Schuetzen NEIN! Hour Endurance Run 60.189 km13
20.04 50mi USA4th Loud Thunder 50 Mile Race 10:09:59 h22
09.03 50km USA8th One Hundred K's of Convenience 50 km Race 6:18:20 h15
2023
20.10 100mi USA6th Mines of Spain 100 Mile Race 32:30:00 h74
26.08 50km USA2nd ScoCo 50 5:45:51 h22
10.06 100mi USA28th Kettle Moraine 100 Mile Endurance Run 29:32:15 h114
2022
14.10 100km USA5th Mines of Spain 100 km Race 17:24:43 h40
18.06 9h USA7th Schuetzen NEIN! Hour Endurance Run 56.085 km18
16.04 50mi USA2nd Loud Thunder 50 Mile Race 12:34:08 h18
2021
12.12 50km USA4th Palmetto Bluff Buffalo Run 5:59:24 h16
17.04 50mi USA1st Loud Thunder 50 Mile Race 13:44:22 h15
2020
07.11 50km USA3rd Miner 49er 7:29:58 h29
2010
30.05 50km USA5th Trail Festival at Pineland Farms 5:06:54 h27