Zachary Wieluns
ID 157408
Born : 1979 Cat. M45 Ultrarunner since 2009 USA
29
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
43
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
5
Countries visited ?CANCanadaESPSpainFRAFranceISLIcelandUSAUnited States
19,1%
Rank quotient ?This runner's calculation uses 29 eligible race(s): Σ(rank − 1) = 877; Σ finishers = 4 590. 877 / 4 590 × 100 = 19.11%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed29
Km — ultra races2 512 km
> 100 km8
> 160 km6
> 24h1
> 48h1
Longest race171,0 km
16ème Ultra Trail Tour du Mont Blanc (UTMB) — 31/8/2018

Km per year (ultra races)

108
1 race
2022
2023
2024
2025
103
2 races
2026

Race types (share of distance)

Road3,2%
Trail96,8%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M0
🏅 Top 33
🏅 Top 3 M3
Longest winning streak0
Current streak0

Records

50 km4h17'1350 mi8h31'49100 mi20h03'31

HISTORY

29 race(s)
DateRacePerf.Rk
2026
05.09 50km USA15th TARC Fall Classic 50 km 6:41:31 h38
06.06 53km ISL14th Hengill Ultra 53k 7:25:54 h49
2022
24.09 108km ESP12a Ultra Trail Guara Somontano 17:36:39 h93
2019
27.09 100mi USA21st The Bear 100 Mile Endurance Run 30:01:14 h98
2018
31.08 171km FRA16ème Ultra Trail Tour du Mont Blanc 33:21:16 h236
09.06 50mi USA2nd Endurance Challenge - Massachusetts Trail 50 Miles 10:13:38 h11
21.04 50km USA8th TARC Spring Classic 50 km 4:33:33 h6
2017
09.06 100mi USA16th San Diego 100 Mile Endurance Run 22:24:40 h10
08.04 50km USA4th Runamuck 50K 4:34:34 h19
2016
10.09 125km CAN4th Ultra trail Harricana of Canada 125 km 15:33:33 h7
18.06 54mi USA4th Manitou's Revenge Ultramarathon 14:17:50 h12
23.04 50km USA6th TARC Spring Classic 50 km 4:28:01 h5
2015
15.08 100mi USA2nd Eastern States 100 Mile 30:15:59 h18
2014
19.07 100mi USA26th Vermont 100 Mile Endurance Race 20:03:31 h38
03.05 50km USA4th Big A 50K Trail Race 6:44:00 h4
2013
20.10 50mi USA2nd Big Brad Ultras - Punisher 50 Mile 8:41:45 h2 🥈
20.07 100mi USA25th Vermont 100 Mile Endurance Race 21:45:52 h44
14.06 50mi USA1st TARC 50 Mile 9:11:59 h6
26.05 50km USA8th Trail Festival at Pineland Farms 4:17:13 h9
04.05 50km USA3rd Big A 50K Trail Race 6:07:00 h4
2012
20.10 50mi USA1st Big Brad Ultras - Punisher 50 Mile 9:30:04 h2 🥈
03.05 72h USA4th Peak Ultra 30/50/100/150/200 Endurance Runs 80.467 km24
2011
05.11 50mi USA11th Stone Cat 50 Mile 8:31:49 h22
23.10 50km USA4th Bimblers Bluff 50k 5:49:11 h22
04.06 50km USA3rd Peak Ultra 50 km Endurance Run 5:26:01 h3 🥉
2010
16.10 50mi USA1st Pennellville 50 Mile Race 8:59:33 h4
30.05 50km USA5th Trail Festival at Pineland Farms 5:00:33 h22
2009
25.10 50km USA2nd Bimblers Bluff 50k 7:28:11 h60
24.05 50km USA4th Trail Festival at Pineland Farms 4:59:04 h38