Joe Ziegenfuss
ID 27608
Born : 1974 Cat. M50 Ultrarunner since 2007 USA
38
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
47
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
8,0%
Rank quotient ?This runner's calculation uses 38 eligible race(s): Σ(rank − 1) = 481; Σ finishers = 6 038. 481 / 6 038 × 100 = 7.97%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed38
Km — ultra races2 779 km
> 100 km5
> 160 km4
Longest race160,9 km
42nd Western States 100 Mile Endurance Run — 27/6/2015

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road4,5%
Trail95,5%

Wins & podiums (ultra)

🏆 Win6
🏆 Win M6
🏅 Top 314
🏅 Top 3 M14
Longest winning streak2
Current streak0

Records

50 km3h37'15100 km10h31'5950 mi7h36'12100 mi21h08'1212 h125,20 km

HISTORY

38 race(s)
DateRacePerf.Rk
2018
24.11 28mi USA34th Quad Dipsea Trail Run 5:19:18 h19
2016
12.11 50km USA5th Mt. Tam Trail Run 5:13:32 h17
2015
27.06 100mi USA42nd Western States 100 Mile Endurance Run 23:21:37 h69
23.05 50mi USA10th Jemez Mountain 50mi Trail Run 11:00:45 h22
2014
26.07 50km USA3rd Mount Werner Classic 50K Trail Run 5:13:35 h7
31.05 50km USA6th Golden Gate Dirty 30 6:09:12 h23
03.05 100km USA19th Miwok 100k Trail Race 10:31:59 h14
15.02 55km USA8th Moab Red Hot 55k 5:03:58 h37
2013
17.08 100mi USA31st Leadville Trail 100 Mile 22:49:14 h45
29.06 50mi USA4th North Fork 50 Mile Trail Race 8:38:20 h4
01.06 50km USA5th Golden Gate Dirty 30 5:41:21 h30
04.05 50mi USA14th Collegiate Peaks 50 Miles 8:34:11 h14
20.04 50km USA1st Chatfield Ultra Racing Event (C.U.R.E.) 50 km 4:34:46 h1 🏆
2012
13.10 50mi USA30th Dick Collins Firetrails 50 Mile 8:20:39 h18
15.07 50mi USA5th Leadville Silver Rush 50 Mile Run 8:53:09 h34
02.06 50km USA4th Golden Gate Dirty 30 5:48:54 h21
12.05 50mi USA1st Quad Rock 50 Mile 9:39:46 h22
18.02 55km USA6th Moab Red Hot 55k 4:50:53 h12
2011
17.09 50mi USA5th Run Rabbit Run 50 Mile UltraMarathon 9:57:00 h22
02.07 50km USA18th Afton Trail Run 50K 4:52:03 h2 🥈
04.06 50km USA3rd Golden Gate Dirty 30 5:45:26 h23
23.04 50km USA4th Chippewa Moraine 50km Ultra Marathon 4:26:43 h8
2010
30.10 50mi USA3rd Surf the Murph 50 Mile Run 8:30:00 h2 🥈
15.05 50km USA8th Superior Spring 50 km Trail Race 4:07:40 h3 🥉
2009
22.08 100mi USA27th Leadville Trail 100 Mile 21:08:12 h17
25.07 50mi USA28th Minnesota Voyageur Trail 50 Mile Ultra 7:39:12 h2 🥈
04.07 50km USA16th Afton Trail Run 50K 4:10:24 h2 🥈
16.05 50km USA7th Superior Spring 50 km Trail Race 4:25:36 h3 🥉
25.04 50km USA2nd Chippewa Moraine 50km Ultra Marathon 4:08:05 h5
18.04 50km USA19th Trail Mix Race 3:37:15 h1 🏆
2008
05.09 100mi USA18th Superior Fall Trail Races 100 Mile 23:46:39 h2 🥈
26.07 50mi USA27th Minnesota Voyageur Trail 50 Mile Ultra 7:36:12 h1 🏆
05.07 50km USA15th Afton Trail Run 50K 4:02:09 h1 🏆
17.05 50km USA6th Superior Spring 50 km Trail Race 4:18:36 h2 🥈
12.04 50km USA1st Chippewa Moraine 50km Ultra Marathon 5:00:37 h1 🏆
2007
07.07 50km USA14th Afton Trail Run 50K 4:21:39 h7
02.06 12h USA18th FANS 12 Hour Run 125.203 km1 🏆
19.05 50km USA5th Superior Spring 50 km Trail Race 4:23:53 h5