Marie Walker
ID 361950
Born : 1979 Cat. W45 Ultrarunner since 2012 USA
50
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
39,0%
Rank quotient ?This runner's calculation uses 59 eligible race(s): Σ(rank − 1) = 1 573; Σ finishers = 4 033. 1 573 / 4 033 × 100 = 39.00%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed59
Km — ultra races4 201 km
> 100 km1
Longest race102,5 km
2nd LX3 Timed Event 12 hour — 28/4/2018

Km per year (ultra races)

2022
228
3 races
2023
237
3 races
2024
293
4 races
2025
348
5 races
2026

Race types (share of distance)

Road68,0%
Trail32,0%

Wins & podiums (ultra)

🏆 Win0
🏆 Win F6
🏅 Top 33
🏅 Top 3 F23
Longest winning streak0
Current streak0

Records

50 km5h15'28100 km12h06'0050 mi9h12'096 h52,71 km12 h102,52 km

HISTORY

59 race(s)
DateRacePerf.Rk
2026
01.08 50mi USA8th Badger Trail Races by Ten Junk Miles Racing 10:29:51 h8
16.05 11h USA2nd Chicago 7-11 Hour Endurance Ru 77.248 km6
11.04 50km USA20th Mad City 50K Road Race 5:44:13 h17
13.03 12h USA17th Howard Aslinger 12 Hour Endurance Run 90.235 km7
21.02 50km USA3rd Flat Branch Ultra 5:24:02 h54
2025
08.11 50mi USA12th Tunnel Hill 50 Mile Race 10:00:27 h84
18.10 12h USA6th Minnie Ha Ha 12 Hour Run 81.125 km14
14.03 12h USA16th Howard Aslinger 12 Hour Endurance Run 81.416 km8
15.02 50km USA2nd Flat Branch Ultra 5:20:30 h9
2024
19.10 12h USA5th Minnie Ha Ha 12 Hour Run 93.202 km6
20.04 50km USA18th Mad City 50K Road Race 5:15:28 h24
15.03 12h USA15th Howard Aslinger 12 Hour Endurance Run 94.001 km4
2023
14.10 12h USA4th Minnie Ha Ha 12 Hour Run 89.445 km8
22.04 50km USA17th Mad City 50K Road Race 5:57:38 h23
17.03 12h USA14th Howard Aslinger 12 Hour Endurance Run 88.224 km3 🥉
2021
16.10 12h USA2nd Minnie Ha Ha 12 Hour Run 49.052 km21
2020
07.03 12h USA3rd The Endurance Trials - Timed Ultra 12 Hour Run 45.254 km11
2019
19.10 12h USA1st Minnie Ha Ha 12 Hour Run 66.031 km22
07.09 100km USA2nd KATY Trail 100 km 12:06:00 h6
27.04 12h USA3rd LX3 Timed Event 12 hour 96.882 km6
02.03 12h USA2nd The Endurance Trials - Timed Ultra 12 Hour Run 94.951 km5
2018
10.11 50mi USA5th Tunnel Hill 50 Mile Race 10:17:31 h122
02.09 12h USA14th Flatlanders 12 Hour Run 80.467 km6
14.07 6h USA3rd Get Your Butt Kicked 6 Hour Race 49.950 km29
28.04 12h USA2nd LX3 Timed Event 12 hour 102.515 km8
2016
31.12 6h USA17th Run for the Ranch 6-Hour Endurance Run 52.706 km2 🥈
12.11 50mi USA3rd Tunnel Hill 50 Mile Race 10:09:31 h94
04.09 12h USA12th Flatlanders 12 Hour Run 90.847 km6
23.07 6h USA1st Get Your Butt Kicked 6 Hour Race 46.670 km27
11.06 10h USA10th Run Under The Stars - Paducah 50.694 km98
30.04 50mi USA8th Frisco Railroad 50 Mile Run 9:33:03 h14
16.04 50km USA18th Double Chubb 50k 6:27:07 h29
09.04 50km USA10th Mad City 50K Road Race 5:33:07 h26
13.02 60km USA3rd Black Canyon Trail 60 km Run 9:25:20 h44
16.01 50km USA1st Valley of Fire Backcountry 50 km Trailrace 5:45:24 h13
2015
14.11 50mi USA2nd Tunnel Hill 50 Mile Race 10:09:10 h73
10.10 50mi USA10th Farmdale Trail Run 50 Mile 11:36:01 h7
06.09 12h USA11th Flatlanders 12 Hour Run 47.314 km24
18.07 12h USA2nd Christmas in July 12 Hour Run 78.318 km11
06.06 10h USA9th Run Under The Stars - Paducah 65.178 km46
25.04 50mi USA7th Frisco Railroad 50 Mile Run 9:14:15 h10
11.04 50km USA9th Mad City 50K Road Race 5:44:11 h22
24.01 52km USA5th Coldwater Rumble 52K Race 7:20:11 h46
2014
06.12 50km USA1st Jackson County 50-50 Ultramarathon - 50 km 7:41:45 h19
15.11 50mi USA1st Tunnel Hill 50 Mile Race 9:43:57 h56
01.11 50mi USA7th Nashville 50 Mile Ultra Marathon 10:42:00 h32
31.08 12h USA10th Flatlanders 12 Hour Run 87.033 km4
04.07 51.5mi USA5th Midnight Madness 50 Miler Road Race 10:00:09 h20
07.06 10h USA8th Run Under The Stars - Paducah 81.271 km10
24.05 50km USA9th Jemez Mountain 50km Trail Run 10:15:39 h132
14.03 12h USA5th Howard Aslinger 12 Hour Endurance Run 95.718 km3 🥉
08.03 60km USA11th Land Between The Lakes 60 km Trail Run 9:16:10 h117
10.02 50mi USA1st Heartland 50 Mile Race 9:52:01 h8
01.02 50mi USA1st Antelope Canyon 50 Mile Race 12:21:47 h13
2013
20.10 50km USA7th Spirit of the Osage 50k 5:25:00 h7
05.07 51.5mi USA4th Midnight Madness 50 Miler Road Race 11:04:09 h36
01.06 38mi USA18th Kettle Moraine 38 Mile Fun Run 9:54:30 h34
27.04 50mi USA5th Frisco Railroad 50 Mile Run 9:12:09 h11
2012
03.11 50mi USA5th Nashville 50 Mile Ultra Marathon 10:07:40 h27