David Walker
Born : 1966 Cat. M60 Ultrarunner since 1998 USA
21
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
36
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
3
Countries visited ?CANCanadaNEDNetherlandsUSAUnited States
38,0%
Rank quotient ?This runner's calculation uses 24 eligible race(s): Σ(rank − 1) = 831; Σ finishers = 2 188. 831 / 2 188 × 100 = 37.98%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed24
Km — ultra races1 943 km
> 100 km2
> 160 km2
Longest race160,9 km

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road62,1%
Trail37,9%

Wins & podiums (ultra)

🏆 Win3
🏆 Win M4
🏅 Top 39
🏅 Top 3 M10
Longest winning streak1
Current streak0

HISTORY

25 race(s)
DateRacePerf.Rk
2021
09.10 50mi USA9th Tesla Hertz Run 50 Miles 10:15:55 h3 🥉
2020
01.02 100mi USA28th Rocky Raccoon 100 Mile Trail Run 25:14:54 h104
2019
26.10 50km USA4th Gate2Gate Trail Race 6:04:06 h20
17.08 100km USA5th Twisted Branch Trail Run 18:58:55 h113
28.04 50km USA45th Lake Waramaug 50km Ultra Marathon 4:16:27 h1 🏆
2018
06.10 50mi USA6th Tesla Hertz Run 50 Miles 9:17:22 h5
04.08 33.4mi USA4th XTERRA Northeast Trail Run Series – Steep Rock 50K 6:33:35 h5
2016
12.11 100mi USA3rd Tunnel Hill 100 Mile Race 19:26:14 h15
2015
19.09 6h CAN3rd That Dam Hill 6 Hour Run 63.250 km1 🏆
2014
19.10 6h USA15th 6 Hour 60th Birthday Run 64.599 km7
12.04 100km USA8th Mad City 100K Road Race 9:20:25 h12
2013
21.09 6h CAN1st That Dam Hill 6 Hour Run 70.705 km3 🥉
21.09 50km CAN1st That Dam Hill 50 km Run 4:11:17 h2 🥈
22.06 50km CAN21st Niagara Ultra 50 km 4:18:42 h6
2012
14.10 6h USA13th 6 Hour 60th Birthday Run 66.498 km3 🥉
2011
10.09 100km NEDWMA 100km WC (RUN Winschoten 100 km) 9:31:44 h43
10.09 100km NEDIAU 100km WC (RUN Winschoten 100 km) 9:31:44 h126
10.09 50km NED36. RUN Winschoten 100 km - 50km Split 4:19:26 h140
10.09 100km NED36. RUN Winschoten 100 km 9:31:44 h140
2010
22.05 50mi USA1st Des Plaines River 50 Miles Trail Race 7:03:00 h4
2005
19.02 100km USA1st 100km Silver Comet Ultra Run 8:54:40 h10
2004
01.05 50mi CAN17th Harriers Elk/Beaver Ultras, 50mi 7:22:07 h1 🏆
15.02 50mi USA33rd Metropolitan 50 Mile Race 7:11:47 h2 🥈
2001
01.12 50km USA12th Sunmart Texas Trails 50 km 5:44:46 h227
1998
28.11 50km USA6th Kurt Steiner 50K 3:33:59 h2 🥈