Mary Arnold
Born : 1979 Cat. W45 Ultrarunner since 2010 USA
39
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
2
Countries visited ?ITAItalyUSAUnited States
48,9%
Rank quotient ?This runner's calculation uses 39 eligible race(s): Σ(rank − 1) = 3 723; Σ finishers = 7 612. 3 723 / 7 612 × 100 = 48.91%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed39
Km — ultra races3 272 km
> 100 km10
> 160 km10
Longest race160,9 km

Km per year (ultra races)

291
3 races
2022
50
1 race
2023
50
1 race
2024
50
1 race
2025
2026

Race types (share of distance)

Road12,0%
Trail88,0%

Wins & podiums (ultra)

🏆 Win0
🏆 Win F0
🏅 Top 30
🏅 Top 3 F5
Longest winning streak0
Current streak0

HISTORY

39 race(s)
DateRacePerf.Rk
2025
07.12 50km USA17th Hunter S. Thompson Fear & Loathing 50 km 7:30:00 h76
2024
08.12 50km USA16th Hunter S. Thompson Fear & Loathing 50 km 7:34:00 h44
2023
09.12 50km USA15th Hunter S. Thompson Fear & Loathing 50 km 9:43:00 h84
2022
08.10 50mi USA20th Can Lake 50 Mile Ultra 9:23:02 h12
16.07 100mi USA33th Vermont 100 Mile Endurance Race 26:53:50 h117
04.06 50km USA5th Chesterfield Gorge 50 km Ultra Race 6:39:00 h41
2019
26.10 100mi USA17th Javelina Jundred 100 Mile Endurance Run 24:45:57 h169
06.10 50km USA14th Blues Cruise 50K Ultra Trail 5:49:38 h108
07.09 50km USA5th Water Gap 50 km Race 5:22:46 h38
23.06 12h USA6th Tommyknocker Ultramarathons 12-Hour 51.338 km41
18.05 50mi USA7th Bryce 50 Mile Trail Run 14:18:02 h115
2018
21.07 100mi USA30th Vermont 100 Mile Endurance Race 22:08:33 h75
23.06 50km USA5th Catamount Ultra Marathon 5:29:50 h59
2017
16.09 50km USA10th Endurance Challenge - Wisconsin Trail 50 km 5:43:26 h42
15.07 100mi USA29th Vermont 100 Mile Endurance Race 23:11:02 h102
10.06 50km USA1st Endurance Challenge - Massachusetts Trail 50 km 8:26:03 h93
13.05 50km USA10th Endurance Challenge - New York Trail 50 km 7:22:30 h230
2016
17.12 50km USA5th Woodside Ramble 50K - Winter 5:59:29 h46
22.10 100mi USA8th Ghost Train Rail Trail Races 100 Mile 21:46:00 h9
02.10 50km USA11th Blues Cruise 50K Ultra Trail 5:26:34 h62
15.05 50km USA6th Dirty German Endurance Fest 50 km 5:02:03 h40
30.04 50km USA9th Endurance Challenge - New York Trail 50 km 7:08:46 h266
2015
14.11 50mi USA6th Stone Mill 50 Mile Run 10:03:47 h83
27.06 47km ITA4^ Cortina Trail 8:53:44 h634
06.06 50mi USA1st Tulsa Urban 50 Mile Race 15:55:57 h6
17.05 50km USA5th Dirty German Endurance Fest 50 km 5:19:42 h30
2014
19.07 100mi USA26th Vermont 100 Mile Endurance Race 21:59:39 h76
18.05 50km USA4th Dirty German Endurance Fest 50 km 5:00:46 h33
12.04 50mi USA6th Lake Sonoma 50 Mile Race 11:02:02 h199
2013
26.10 100mi USA5th Ghost Train Rail Trail Race 100 Mile 21:07:00 h6
20.07 100mi USA25th Vermont 100 Mile Endurance Race 24:50:02 h107
14.06 50mi USA1st TARC 50 Mile 11:25:35 h29
26.05 50km USA3rd Dirty German Endurance Fest 50 km 4:54:27 h23
05.01 50km USA2nd PHUNT 50K Run 6:35:00 h58
2012
27.10 100mi USA4th Ghost Train Rail Trail Race 100 Mile 25:26:00 h9
25.08 31.5mi USA13th Tamalpa Headlands 50K 6:50:50 h99
2011
20.08 100mi USA29th Leadville Trail 100 Mile 29:45:46 h329
07.05 50km USA4th Endurance Challenge - New York Trail 50 km 7:51:14 h154
2010
09.10 50mi USA8th Can Lake 50 Mile Ultra 8:38:15 h18