Catherine Clifford
ID 610709
Born : 1982 Cat. W40 Ultrarunner since 2013 USA
37
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
66,2%
Rank quotient ?This runner's calculation uses 38 eligible race(s): Σ(rank − 1) = 1 048; Σ finishers = 1 583. 1 048 / 1 583 × 100 = 66.20%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed40
Km — ultra races2 960 km
> 100 km5
> 160 km4
Longest race160,9 km
13th Pumpkin Holler 100 Mile Race — 21/10/2023

Km per year (ultra races)

150
2 races
2022
884
9 races
2023
173
3 races
2024
350
5 races
2025
69
1 race
2026

Race types (share of distance)

Road9,5%
Trail85,4%
Stage5,1%

Wins & podiums (ultra)

🏆 Win0
🏆 Win F6
🏅 Top 32
🏅 Top 3 F13
Longest winning streak0
Current streak0

Records

50 km6h09'38100 km13h57'5950 mi12h21'20100 mi26h15'0112 h72,66 km

HISTORY

38 race(s)
DateRacePerf.Rk
2026
07.03 12h USA4th The Skyline Scramble 69.201 km23
2025
08.11 50km USA6th Thunderbird 50km Trail Run 7:47:53 h16
20.09 50km USA1st Liberty's Lost Treasure 9:28:10 h13
12.04 100km USA27th Taturs Lake McMurtry 100 km Trail Race 17:31:23 h11
01.03 12h USA3rd The Skyline Scramble 69.217 km13
08.02 50mi USA7th Outlaw 100 Oklahoma - 50 Mile Run 19:09:10 h11
2024
28.09 50km USA30th Flatrock 50K 9:20:41 h35
06.04 50km USA25th Rockin-K Trail 50 km 8:45:08 h29
02.03 12h USA2nd The Skyline Scramble 72.661 km13
2023
21.10 100mi USA13th Pumpkin Holler 100 Mile Race 26:47:30 h20
24.09 50mi USA14th The Bear Chase 50 Mile 12:21:20 h28
26.08 50km USA8th Continental Divide Trail Run 8:32:34 h101
03.06 50mi USA14th North Fork 50 Mile Trail Race 13:41:11 h46
15.04 100mi USA23nd Potawatomi 100 Mile Trail Run 32:22:36 h13
18.03 50mi USA19th Three Days of Syllamo 50 Mile Run 14:56:46 h69
17.03 50km USA19th Three Days of Syllamo 50 km Run 7:44:14 h66
17.03 150km/3stages USA19th Three Days of Syllamo Stage Race 26:16:33 h48
28.01 12h USA2nd Cactus Roulette Endurance - 12h Owl 70.972 km3 🥉
2022
12.11 100km USA3rd Thunderbird 100km Trail Run 16:59:16 h11
24.09 50km USA28th Flatrock 50K 9:04:31 h28
2021
18.09 53km USA7th Rockin Rockwoods Trail Race 9:29:34 h31
04.09 50km USA8th Booneville Backroads Ultra 50 km 6:33:24 h20
06.03 40mi USA2nd AlfaDog 40 Mile Race 7:54:28 h16
2019
05.10 50km USA9th Rock Bridge Revenge 50 km Race 7:11:55 h42
03.08 100km USA1st Badger Trail Races 100K 13:57:59 h15
01.06 50km USA2nd Driftless Discovery Trail Runs 7:39:03 h33
27.04 40mi USA13th Vasque Free State Trail 40 Miles Run 10:20:46 h12
2018
10.11 50km USA3rd Sanders Saunter 50k 7:26:57 h28
26.05 100mi USA5th Booneville Backroads Ultra 100 Mile 32:49:14 h3 🥉
2017
16.09 50mi USA5th Mark Twain 50 Mile Endurance Run 13:35:33 h17
2016
15.10 100km USA6th Taturs Pumpkin Holler 100 km Race 14:31:24 h10
21.05 50km USA11th Jemez Mountain 50km Trail Run 9:28:35 h118
2015
12.12 100mi USA2nd Brazos Bend 100 - 100 Mile 26:15:01 h19
19.09 40mi USA4th Rough Creek Trail Run 10:11:30 h13
21.02 50mi USA34th Cross Timbers Trail Run 12:59:30 h21
2014
06.12 55km USA3rd Isle du Bois Trail Run 7:34:46 h36
18.10 50km USA30th Palo Duro 50 km Trail Run 6:09:38 h39
2013
16.03 50km USA2nd Toughest N’ Texas Trail Runs 50K 7:04:22 h16