Nathan Tadlock
Born : 1979 Cat. M45 Ultrarunner since 2009 USA
40
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
48
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
63,9%
Rank quotient ?This runner's calculation uses 40 eligible race(s): Σ(rank − 1) = 4 713; Σ finishers = 7 370. 4 713 / 7 370 × 100 = 63.95%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed40
Km — ultra races2 603 km
> 100 km4
> 160 km4
Longest race160,9 km

Km per year (ultra races)

261
3 races
2022
50
1 race
2023
181
3 races
2024
211
2 races
2025
50
1 race
2026

Race types (share of distance)

Road3,1%
Trail96,9%

HISTORY

40 race(s)
DateRacePerf.Rk
2026
24.01 50km USA32nd Mountain Mist 50k 7:50:49 h173
2025
28.02 100mi USA44th Carl Touchstone Memorial Mississippi Trail 100 Mile 27:33:02 h21
25.01 50km USA31st Mountain Mist 50k 8:01:19 h310
2024
20.07 50km USA13th Big Butts 50 km 6:19:49 h25
11.05 12h USA1st Circle of The Dragon 81.432 km11
27.01 50km USA30th Mountain Mist 50k 8:21:03 h294
2023
28.01 50km USA29th Mountain Mist 50k 7:45:01 h283
2022
19.11 100mi USA1st Fall Creek 100 30:27:15 h18
30.07 50km USA11th Big Butts 50 km 6:41:59 h25
22.01 49.6km USA28th Mountain Mist 50k 8:15:34 h279
2021
23.01 50km USA27th Mountain Mist 50k 7:21:31 h239
09.01 50km USA4th The Great Scorpion Trail Run 6:17:43 h15
2020
25.01 50km USA26th Mountain Mist 50k 7:38:40 h228
04.01 50km USA3rd The Great Scorpion Trail Run 6:29:32 h18
2019
26.01 50km USA25th Mountain Mist 50k 6:53:10 h186
05.01 50km USA2nd The Great Scorpion Trail Run 6:25:04 h17
2018
27.01 50km USA24th Mountain Mist 50k 7:36:27 h253
2017
25.02 50km USA11th Mount Cheaha 50K UltraMarathon Race 8:22:26 h187
28.01 50km USA23rd Mountain Mist 50k 7:33:23 h276
2016
04.12 46mi USA27th Pine Mountain Trail Run 10:40:05 h29
19.11 50km USA4th Blood Rock 50 km Race 8:02:41 h47
05.03 50mi USA35th Carl Touchstone Memorial Mississippi Trail 50 Mile 11:12:03 h40
20.02 50km USA10th Black Warrior 50K 6:45:14 h38
23.01 50km USA22nd Mountain Mist 50k 7:23:40 h148
2015
03.10 50km USA14th Rock/Creek StumpJump 50K 8:50:54 h179
24.01 50km USA21st Mountain Mist 50k 7:05:34 h181
2014
25.01 50km USA20th Mountain Mist 50k 7:24:36 h226
2013
26.01 50km USA19th Mountain Mist 50k 7:40:36 h231
2012
28.07 50km USA2nd Big Butts 50 km 6:42:13 h26
28.01 50km USA18th Mountain Mist 50k 7:21:58 h200
2011
15.10 100mi USA1st Taturs Pumpkin Holler 100 Mile Race 28:35:35 h29
10.09 40mi USA5th Bartlett Park Ultras 40M 8:42:38 h8
30.07 50km USA1st Big Butts 50 km 6:14:57 h7
05.02 100mi USA19th Rocky Raccoon 100 Mile Trail Runs 26:51:20 h121
22.01 50km USA17th Mountain Mist 50k 6:40:44 h138
2010
11.12 50km USA2nd Tashka 50K 6:28:29 h20
05.12 40mi USA21st Pine Mountain 40 Miles 8:19:44 h36
06.03 50mi USA29th Carl Touchstone Memorial Mississippi Trail 50 Mile 10:18:49 h27
23.01 50km USA16th Mountain Mist 50k 6:30:01 h120
2009
06.12 40mi USA20th Pine Mountain 40 Miles 8:57:38 h44