Donald Dukes
ID 843493
Born : 1955 Cat. M70 Ultrarunner since 2013 USA
19
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
40
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
60,3%
Rank quotient ?This runner's calculation uses 19 eligible race(s): Σ(rank − 1) = 1 446; Σ finishers = 2 400. 1 446 / 2 400 × 100 = 60.25%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed19
Km — ultra races1 885 km
> 100 km7
> 160 km7
Longest race164,2 km
11th Burning River 100 Mile Endurance Run — 29/7/2017

Km per year (ultra races)

161
1 race
2022
261
3 races
2023
241
2 races
2024
241
2 races
2025
80
1 race
2026

Race types (share of distance)

Trail100,0%

Records

50 km5h58'1450 mi11h05'40100 mi27h41'13

HISTORY

19 race(s)
DateRacePerf.Rk
2026
25.07 50mi USA20th Burning River 50 Mile Endurance Run 12:54:17 h164
2025
26.07 100mi USA19th Burning River 100 Mile Endurance Run 29:36:29 h83
31.05 50mi USA36th Mohican Trail 50 Mile 13:50:11 h93
2024
12.10 100mi USA12th Indiana Trail 100 Mile 27:41:13 h83
27.07 50mi USA18th Burning River 50 Mile Endurance Run 11:12:54 h94
2023
14.10 100mi USA11th Indiana Trail 100 Mile 29:19:52 h108
19.02 50km USA10th Rocks and Roots Trail Series 50K #2 7:10:43 h30
15.01 50km USA10th Rocks and Roots Trail Series 50K #1 7:00:12 h40
2022
30.07 100mi USA16th Burning River 100 Mile Endurance Run 28:55:00 h106
2021
24.07 100mi USA15th Burning River 100 Mile Endurance Run 28:45:25 h108
25.04 50km USA10th The Trail Marathon 50K 6:57:22 h31
2019
12.10 100mi USA7th Indiana Trail 100 Mile 29:20:29 h117
2018
29.12 50km USA22nd Huff 50K Trail Run 6:17:09 h64
28.07 52mi USA12th Burning River 50 Mile Back Endurance Run 15:03:23 h62
2017
29.07 102mi USA11th Burning River 100 Mile Endurance Run 29:30:51 h116
2016
06.08 50mi USA10th Burning River 50 Mile Endurance Run 11:05:40 h34
2015
16.05 50km USAPlayin’ Possum 50K Trail Run 5:58:25 h36
2014
17.05 50km USAPlayin’ Possum 50K Trail Run 6:01:53 h36
2013
18.05 50km USAPlayin’ Possum 50K Trail Run 5:58:14 h60