William Palmer
ID 284806
Born : 1969 Cat. M55 Ultrarunner since 2006 USA
32
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 ?GBRUnited KingdomUSAUnited States
33,0%
Rank quotient ?This runner's calculation uses 32 eligible race(s): Σ(rank − 1) = 2 226; Σ finishers = 6 743. 2 226 / 6 743 × 100 = 33.01%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed32
Km — ultra races2 939 km
> 100 km8
> 160 km8
Longest race160,9 km
53rd Western States 100 Mile Endurance Run — 27/6/2026

Km per year (ultra races)

306
3 races
2022
322
2 races
2023
164
2 races
2024
361
3 races
2025
261
2 races
2026

Race types (share of distance)

Trail100,0%

Wins & podiums (ultra)

🏆 Win2
🏆 Win M3
🏅 Top 34
🏅 Top 3 M4
Longest winning streak1
Current streak0

Records

50 km4h46'43100 km11h00'0050 mi8h51'36100 mi19h00'45

HISTORY

32 race(s)
DateRacePerf.Rk
2026
27.06 100mi USA53rd Western States 100 Mile Endurance Run 23:28:42 h108
14.02 100km USA13th Black Canyon Trail 100 km Run 11:00:00 h120
2025
20.09 100km USA17th Grindstone 100 km 13:19:53 h16
16.05 100mi USA13th Cruel Jewel 100 Mile 32:22:54 h18
08.02 100km USA12th Black Canyon Trail 100 km Run 12:55:36 h208
2024
02.11 40mi USA2nd Fire Tower Frenzy 40miles 7:30:32 h5
10.02 99.9km USA11th Black Canyon Trail 100 km Run 13:18:49 h205
2023
04.11 100mi USA16th Pinhoti 100 Mile 25:43:33 h34
23.06 100mi USA13th Black Hills 100 Mile Run 29:27:43 h16
2022
01.10 4h USA4th Lady of the Lake 4 Hour Race 45.061 km1 🏆
02.04 100mi USA27th Umstead Endurance Run 100 Miles 19:00:45 h12
12.02 99.9km USA9th Black Canyon Trail 100 km Run 11:57:02 h92
2021
02.10 50km USA5th Bull Mountain 50 km Epic Run 5:37:01 h2 🥈
27.03 50mi USA26th Umstead Endurance Run 50 Miles 8:51:36 h4
2020
07.11 100mi USA13th Pinhoti 100 Mile 22:27:06 h9
10.10 50km USA2nd Blue Ridge 50km Ultra 5:41:01 h11
07.03 50km USA1st Cold Mountain 50km Trail Race 4:46:43 h5
2019
16.11 50mi USA2nd Looking Glass 50mi Trail Race 11:49:30 h42
12.10 50km USA1st Blue Ridge 50km Ultra 5:58:00 h2 🥈
05.10 100km USA3rd Bull Mountain 100 km Epic Run 13:14:32 h5
06.04 100mi USA25th Umstead Endurance Run 100 Miles 21:20:43 h33
2018
28.07 50km USA3rd Last at the Lake 50k Run 6:30:00 h6
08.04 100mi USA24th Umstead Endurance Run 100 Miles 24:49:57 h43
2017
16.12 50mi USA10th Lookout Mountain 50 Mile Race 11:40:55 h82
22.07 50km USA2nd Last at the Lake 50k Run 5:35:17 h1 🏆
2015
01.08 77km GBRRound the Rock Jersey 48 Miles 7:19:49 h5
2012
21.04 50km USA6th SweetH2O 50 km 9:47:21 h183
24.03 55.1km GBRCoastal Trail Series - Sussex Ultra 5:38:37 h5
2010
19.06 34mi USA14th Rachel Carson Trail Challenge 13:31:28 h276
2009
20.06 34mi USA13th Rachel Carson Trail Challenge 14:04:33 h337
2007
23.06 34mi USA11th Rachel Carson Trail Challenge 11:48:50 h193
2006
17.06 34mi USA10th Rachel Carson Trail Challenge 12:16:52 h179