Jon Karlen
ID 76509
Born : 1958 Cat. M65 Ultrarunner since 2007 USA
39
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
44
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
2
Countries visited ?ITAItalyUSAUnited States
61,6%
Rank quotient ?This runner's calculation uses 39 eligible race(s): Σ(rank − 1) = 6 231; Σ finishers = 10 121. 6 231 / 10 121 × 100 = 61.57%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed39
Km — ultra races2 499 km
> 100 km2
> 160 km1
Longest race160,9 km
16th Cascade Crest Classic 100 Mile — 23/8/2014

Km per year (ultra races)

2022
50
1 race
2023
80
1 race
2024
50
1 race
2025
2026

Race types (share of distance)

Trail100,0%

Records

50 km5h32'00100 km14h40'0250 mi9h53'10100 mi28h09'27

HISTORY

39 race(s)
DateRacePerf.Rk
2025
15.03 50km USA31st Chuckanut 50K 6:50:49 h407
2024
13.07 50mi USA26th Siskiyou Out Back 50 Miles Trail Run 13:39:26 h28
2023
13.05 50km USA3rd Tiger Claw 8:32:27 h71
2019
28.06 48km ITA8^ Cortina Trail 10:02:49 h1079
16.03 50km USA27th Chuckanut 50K 6:37:19 h243
2018
28.10 50km USA8th Cougar Mountain Trail Run 6:35:19 h29
17.03 50km USA26th Chuckanut 50K 7:08:57 h317
2017
06.05 100km USA22nd Miwok 100k Trail Race 14:40:02 h207
18.03 50km USA25th Chuckanut 50K 6:48:05 h281
2016
20.08 100km USA15th Waldo 100K Trail Run 17:33:26 h75
21.05 50mi USA8th Sun Mountain 50 Mile Trail Races 9:53:10 h57
19.03 50km USA24th Chuckanut 50K 6:52:16 h232
2015
28.08 101km ITA10ème Courmayeur-Champex-Chamonix 23:13:12 h784
25.07 50mi USA23rd White River 50 Mile Trail Run 10:47:18 h139
18.04 50km USA5th Yakima Skyline Rim 50k 9:05:53 h113
07.02 50km USA10th Orcas Island 50k 7:45:22 h165
2014
23.08 100mi USA16th Cascade Crest Classic 100 Mile 28:09:27 h66
26.07 50mi USA22nd White River 50 Mile Trail Run 11:33:18 h144
18.05 50mi USA6th Sun Mountain 50 Mile Trail Races 10:28:05 h77
20.04 50km USA4th Yakima Skyline Rim 50k 8:21:36 h74
2013
14.12 50km USA3rd Deception Pass 50 km 6:17:11 h90
11.08 60km USA3rd Angels Staircase 60k 9:09:06 h46
27.07 50mi USA21st White River 50 Mile Trail Run 11:13:30 h155
19.05 50km USA5th Sun Mountain 50 km Trail Races 5:50:57 h48
16.03 50km USA21th Chuckanut 50K 6:10:03 h193
02.02 50km USA8th Orcas Island 50k 7:29:41 h144
2012
25.03 50km USA2nd Gorge Waterfalls 50k 5:36:53 h76
2011
01.10 50km USA10th Baker Lake 50K Ultra Trail Run 6:24:48 h41
19.03 50km USA19th Chuckanut 50K 6:11:25 h172
13.02 50km USAFishline 50K Run 5:32:00 h8
2010
31.07 50mi USA18th White River 50 Mile Trail Run 11:09:21 h114
20.06 50km USA2nd Sun Mountain 50 km Trail Races 5:53:01 h18
20.03 50km USA18th Chuckanut 50K 5:47:54 h155
2009
25.07 50mi USA17th White River 50 Mile Trail Run 10:40:14 h88
11.04 50km USA1st Sun Mountain 50 km Trail Races 6:32:20 h37
21.03 50km USA17th Chuckanut 50K 6:12:52 h159
2007
06.10 50km USA6th Baker Lake 50K Ultra Trail Run 6:05:29 h30
28.07 50mi USA15th White River 50 Mile Trail Run 10:56:49 h91
28.04 55km USA4th Capitol Peak 55K 7:15:08 h17