A.J. Zenkert
ID 146335
Born : 1975 Cat. M50 Ultrarunner since 2009 USA
28
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
62,4%
Rank quotient ?This runner's calculation uses 28 eligible race(s): Σ(rank − 1) = 1 360; Σ finishers = 2 180. 1 360 / 2 180 × 100 = 62.39%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed28
Km — ultra races2 076 km
> 100 km6
> 160 km3
Longest race160,9 km
23rd The Bear 100 Mile Endurance Run — 24/9/2021

Km per year (ultra races)

53
1 race
2022
55
1 race
2023
2024
2025
2026

Race types (share of distance)

Road7,8%
Trail92,2%

Records

50 km4h59'33100 km18h05'3350 mi12h58'55100 mi28h56'22

HISTORY

28 race(s)
DateRacePerf.Rk
2023
15.07 55km USA10th Beaverhead 55K Endurance Run 9:57:06 h98
2022
18.06 53km USA9th River of No Return Endurance Run 53K 9:43:49 h68
2021
24.09 100mi USA23rd The Bear 100 Mile Endurance Run 33:50:10 h152
2019
15.06 108km USA6th River of No Return Endurance Run 108K 19:27:09 h32
12.04 100mi USA8th The Zion 100 Mile Run 29:24:21 h68
19.01 50km USA7th Wilson Creek Frozen 50K 6:57:11 h32
2018
13.10 50km USA4th Gnarly Bear Endurance Run 6:15:35 h19
09.09 50km USA5th Moscow Mountain Madness 50K 6:53:02 h10
14.07 100km USA5th Beaverhead 100K Endurance Run 18:38:54 h72
16.06 108km USA5th River of No Return Endurance Run 108K 20:10:39 h28
02.06 50mi USA5th Scout Mountain 50 Miles Ultra Trail 14:15:40 h51
13.01 50km USA6th Wilson Creek Frozen 50K 8:12:37 h51
2017
07.10 50km USA7th Foothills 50K Frenzy 7:22:57 h85
10.09 50km USA4th Moscow Mountain Madness 50K 7:43:24 h11
17.06 108km USA4th River of No Return Endurance Run 108K 21:14:50 h27
03.06 100km USA4th Scout Mountain 100 km Ultra Trail 18:05:33 h37
22.04 50km USA8th Weiser River Trail 4:59:33 h20
2016
15.10 50km USA2nd Gnarly Bear Endurance Run 6:41:09 h13
01.10 50km USA6th Foothills 50K Frenzy 6:42:25 h49
23.04 50km USA7th Weiser River Trail 5:23:37 h24
25.03 100mi USA5th Pulse Endurance Runs (Pickled Feet) 100 Mile 28:56:22 h4
2015
14.02 50km USA17th Pemberton Trail 50 km 6:17:54 h53
17.01 50km USA5th Wilson Creek Frozen 50K 7:40:20 h43
2014
04.10 50km USA4th Foothills 50K Frenzy 9:55:41 h114
21.06 50km USA1st River of No Return Endurance Run 50K 7:43:38 h59
2013
19.01 50km USA3rd Wilson Creek Frozen 50K 9:01:34 h52
2012
21.01 50km USA2nd Wilson Creek Frozen 50K 9:42:23 h34
2009
10.10 50mi USA28th Le Grizz 50 Mile Ultramarathon 12:58:55 h82