Rebecca Walker
ID 234063
Born : 1978 Cat. W45 Ultrarunner since 2011 USA
50
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
80
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
5
Countries visited ?CHNChinaGBRUnited KingdomROURomaniaTHAThailandUSAUnited States
71,9%
Rank quotient ?This runner's calculation uses 64 eligible race(s): Σ(rank − 1) = 5 405; Σ finishers = 7 516. 5 405 / 7 516 × 100 = 71.91%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed73
Km — ultra races9 421 km
> 100 km32
> 160 km30
> 200 km14
> 24h7
> 48h2
Longest race496,6 km
1st Arizona Monster 300 — 4/4/2025

Km per year (ultra races)

945
6 races
2022
713
4 races
2023
1 069
6 races
2024
869
3 races
2025
1 155
5 races
2026

Race types (share of distance)

Road7,9%
Trail87,0%
Stage5,1%

Wins & podiums (ultra)

🏆 Win0
🏆 Win F4
🏅 Top 33
🏅 Top 3 F9
Longest winning streak0
Current streak0

Records

50 km6h47'42100 km16h36'1150 mi11h30'42100 mi25h52'1812 h66,30 km24 h121,41 km48 h185,85 km

HISTORY

64 race(s) · 1 split(s) nested
DateRacePerf.Rk
2026
27.07 200mi USA3rd The Summit 200 3d 23:54:49 h17
26.06 100mi USA4th Copper Kings 100 34:10:00 h77
30.05 50km USA17th North Fork 50 km Trail Race 7:31:45 h94
15.04 200mi GBRSouth Wales 200 4d 03:42:10 h56
14.01 300km THA1st 300 Thailand 4d 00:29:27 h2 🥈
2025
12.11 200mi USA1st Across Florida 200 3d 09:51:34 h21
04.04 308.6mi USA1st Arizona Monster 300 6d 05:37:35 h152
01.03 50km USA11th Sierra Vista Trail Runs 50 km Race 8:35:48 h30
2024
23.11 100mi USA10th Dinosaur Valley Endurance Run 100 Mile 33:08:58 h51
19.10 30h USA16th Ghost Train Rail Trail Race 30 Hours 161.368 km33
05.10 100mi USA10th The Hennepin Hundred - 100 Mile Run 27:06:43 h117
29.08 100mi USA1st Front Range Ultra Dayze 100Miles 32:31:09 h7
12.04 202Miles USA1st Southern States 200 3d 21:52:42 h24
17.02 100km USA8th Red Dirt Ultra 100 km 21:11:54 h16
2023
26.08 100mi USA3rd Oregon Cascades 100 Mile Race 29:46:33 h123
01.05 250mi USA3rd Cocodona 250 Mile Race 5d 01:53:00 h135
25.03 50km USA31st Crown King Scramble 50K 7:54:38 h145
18.02 99.9km USA10th Black Canyon Trail 100 km Run 16:36:11 h543
2022
03.12 100mi USA9th Brazos Bend 100 25:52:18 h55
05.11 200mi USA1st Cowboy 200 2d 19:31:00 h12
07.10 125mi USA23th Heartland 125 Mile Race 36:49:31 h4
20.08 100mi USA17th Lean Horse Ultra-Marathon 100 Mile 28:50:51 h41
15.07 50km USA4th Palisades Ultra Trail Series (PUTS) - Big Elk 50k 10:06:00 h57
05.02 50km USA10th Elephant Mountain 50 km 8:06:39 h60
2021
16.10 100mi USA8th Cloudsplitter 100 - 100 Mile Run 37:04:06 h48
25.09 50km USA1st West Line Winder 50 km Race 8:44:59 h80
13.08 206mi USA7th Bigfoot 200 Endurance Run 4d 08:43:44 h92
22.05 52mi USA3rd Possums Revenge 52 Mile Race 15:20:04 h17
2020
09.10 238mi USA4th Moab 240 Endurance Run 4d 15:54:40 h124
11.01 100km USA20th Bandera 100 km Endurance Run 21:13:37 h309
2019
13.09 202mi USA6th Tahoe 200 Mile Endurance Run 4d 01:14:50 h124
02.08 100km USA1st The Shippey 100km Endurance Runs 17:41:54 h3 🥉
02.02 100mi USA27th Rocky Raccoon 100 Mile Trail Run 29:21:00 h187
2018
27.10 100mi USA16th Javelina Jundred 100 Mile Endurance Run 27:29:33 h257
29.09 50km USA9th The Bear Chase 50 km 6:49:22 h95
28.07 102mi USA12th Burning River 100 Mile Endurance Run 29:11:46 h132
19.05 50km ROUTransylvania Half Hundred 15:01:58 h273
2017
28.10 50km USA10th Sage Burner Trail Run 8:00:06 h40
30.09 50km USA8th The Bear Chase 50 km 7:16:34 h108
26.08 50mi USA18th North Country Trail Run 50 Mile 12:44:11 h104
07.07 12h USA4th Chase the Moon 12 Hour Endurance Run 66.304 km28
03.06 50km USA9th Golden Gate Dirty 30 10:16:50 h339
15.04 24h USA4th 24 Hours of Palmer Lake Fun Run 121.408 km15
2016
31.12 48h USA32nd Across the Years, 48h 165.569 km16
19.11 50km USA2nd Dead Horse 50 km Race 7:12:54 h140
27.08 100mi USA12th Lean Horse Ultra-Marathon 100 Mile 28:22:45 h35
22.07 12h USA3rd Chase the Moon 12 Hour Endurance Run 66.304 km30
09.04 24h USA3rd 24 Hours of Palmer Lake Fun Run 106.892 km9
02.04 50km USA3rd Behind the Rocks 50km Race 8:16:41 h88
2015
31.12 48h USA31st Across the Years, 48h 185.847 km9
14.06 146mi/5stages USA9th Desert RATS Multi-day Footrace Adventure 39:47:00 h6
21.03 24h USA9th 24 Hours of Utah 85.295 km2 🥈
2014
28.09 50mi USA5th The Bear Chase 50 Mile 11:30:42 h42
11.07 12h USA1st Chase the Moon 12 Hour Endurance Run 66.304 km50
2013
12.10 100mi USA7th Boulder 100 Mile Run 29:04:00 h6
29.09 50km USA4th The Bear Chase 50 km 8:07:38 h150
27.07 60km USA4th Grand Mesa 60 km Trail Race 9:58:00 h11
14.06 50km USA22th Bighorn Mountain Wild & Scenic 50km Trail Run 8:30:56 h168
02.06 250km/6stages CHNGobi March China 42:19:40 h68
23.03 24h USA7th 24 Hours of Utah 77.779 km5
2012
20.10 50km USA28th Palo Duro 50 km Trail Run 8:23:44 h70
30.09 50km USA3rd The Bear Chase 50 km 7:06:15 h136
2011
25.09 50mi USA2nd The Bear Chase 50 Mile 11:52:20 h53
07.05 50km USA7th Greenland Trail Race 6:47:42 h128