Jonathan Zeif
ID 47372
Born : 1953 Cat. M70 Ultrarunner since 1998 USA
32
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
51
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
46,5%
Rank quotient ?This runner's calculation uses 32 eligible race(s): Σ(rank − 1) = 2 205; Σ finishers = 4 738. 2 205 / 4 738 × 100 = 46.54%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed32
Km — ultra races3 349 km
> 100 km14
> 160 km14
Longest race160,9 km
28th Vermont 100 Mile Endurance Race — 16/7/2016

Km per year (ultra races)

2022
60
1 race
2023
55
1 race
2024
2025
2026

Race types (share of distance)

Road1,6%
Trail98,4%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M0
🏅 Top 30
🏅 Top 3 M1
Longest winning streak0
Current streak0

Records

50 km5h51'3750 mi10h04'50100 mi23h10'1112 h54,72 km

HISTORY

32 race(s)
DateRacePerf.Rk
2024
02.11 12h USA1st Colorado 12 Hour Run 54.717 km19
2023
28.07 60km USA9th Never Summer 60k 12:10:53 h136
2019
07.04 70km USA5th Paumanok Pursuit 70K Trail Run 10:32:36 h36
16.02 60km USA6th Black Canyon Trail 60 km Run 7:19:10 h96
2016
16.07 100mi USA28th Vermont 100 Mile Endurance Race 27:46:29 h198
07.05 50km USA14th Long Island Greenbelt Trail 50 km 5:51:37 h17
02.04 50mi USA7th New Jersey Ultra Festival 50 Mile Race 13:17:40 h6
2015
09.05 50km USA13th Long Island Greenbelt Trail 50 km 6:00:38 h12
2014
10.05 50km USA12th Long Island Greenbelt Trail 50 km 6:17:18 h19
2011
20.08 100mi USA29th Leadville Trail 100 Mile 28:36:21 h217
2010
03.10 50mi USA1st The Bear Chase 50 Mile 10:04:50 h27
18.07 50mi USA3rd Leadville Silver Rush 50 Mile Run 11:34:27 h116
2009
22.08 100mi USA27th Leadville Trail 100 Mile 26:49:46 h96
26.07 50mi USA2nd Leadville Silver Rush 50 Mile Run 10:19:31 h54
2008
16.08 100mi USA26th Leadville Trail 100 Mile 29:32:52 h155
2007
23.06 100mi USA34th Western States 100 Mile Endurance Run 26:47:07 h149
2006
19.08 100mi USA24th Leadville Trail 100 Mile 27:30:59 h85
16.07 50km USA7th High Mountain 50 km 6:09:25 h14
18.03 50km USA19th Crown King Scramble 50K 5:51:38 h22
2005
26.11 28mi USA21st Quad Dipsea Trail Run 5:33:46 h49
20.08 100mi USA23rd Leadville Trail 100 Mile 23:10:11 h24
17.07 50km USA6th High Mountain 50 km 6:11:33 h16
25.06 100mi USA32th Western States 100 Mile Endurance Run 26:48:16 h170
29.05 52.4mi USA28th Rocky Mountain Double Marathon 10:06:05 h5
2004
21.08 100mi USA22nd Leadville Trail 100 Mile 24:13:46 h30
2003
16.08 100mi USA21st Leadville Trail 100 Mile 26:14:41 h53
2002
20.07 50km USA3rd High Mountain 50 km 6:44:29 h14
2001
18.08 100mi USA19th Leadville Trail 100 Mile 26:45:27 h58
2000
19.08 100mi USA18th Leadville Trail 100 Mile 27:35:47 h71
15.07 50km USA1st High Mountain 50 km 6:31:26 h4
1999
21.08 100mi USA17th Leadville Trail 100 Mile 28:04:57 h99
1998
22.08 100mi USA16th Leadville Trail 100 Mile 29:25:42 h170