Jon Teisher
Born : 1975 Cat. M50 Ultrarunner since 2005 USA
52
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
64
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
32,1%
Rank quotient ?This runner's calculation uses 75 eligible race(s): Σ(rank − 1) = 3 146; Σ finishers = 9 813. 3 146 / 9 813 × 100 = 32.06%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed75
Km — ultra races6 550 km
> 100 km16
> 160 km14
> 24h3
Longest race160,9 km

Km per year (ultra races)

2022
250
5 races
2023
343
3 races
2024
581
6 races
2025
401
4 races
2026

Race types (share of distance)

Road3,4%
Trail96,6%

Wins & podiums (ultra)

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

HISTORY

75 race(s)
DateRacePerf.Rk
2026
14.08 100mi USA3rd San Juan Softie 100 33:52:00 h38
25.07 50mi USA5th Creede 50 13:59:02 h10
20.06 37mi USA29th Rachel Carson Trail Challenge 8:51:02 h33
06.06 100km USA6th The Great Divide Ultra 100km 16:11:52 h12
2025
15.11 50km USA11th Dead Horse 50 km Race 5:44:09 h179
01.11 24h USA2nd Colorado 24 Hour Run 122.310 km16
23.08 100mi USA3rd Rio Grande 100 34:00:56 h13
26.07 54mi USA10th Maah Daah Hey 50 Mile Trail Run 14:47:45 h15
21.06 50mi USA31st San Juan Solstice 50 Mile Run 13:48:00 h128
07.06 50mi USA5th Mace's Hideout 50 Mile Race 15:58:20 h10
2024
02.11 24h USA1st Colorado 24 Hour Run 101.388 km27
27.07 100mi USA3rd Creede 100 35:51:36 h6
22.06 50mi USA30th San Juan Solstice 50 Mile Run 12:33:50 h81
2023
04.11 50km USA2nd Bridge Burner Ultra 6:26:43 h30
21.10 50km USA1st Methodist Mountain Ultra 6:50:42 h18
24.09 50km USA3rd Sawatch Ascent 50km Race 8:10:58 h71
23.09 50km USA3rd West Line Winder 50 km Race 6:14:59 h48
29.07 50km USA9th Pikes Peak Ultra 50 km 7:34:47 h34
2021
05.09 50km USA9th The Rut Mountain Runs 8:59:34 h137
2020
24.10 50km USA10th Cheyenne Mountain Trail Race 5:22:39 h19
2018
17.11 50mi USA56th JFK 50 Mile 8:44:09 h113
2017
24.06 50mi USA23rd San Juan Solstice 50 Mile Run 13:20:55 h86
07.05 50km USA4th Cimarron Endurance Run 4:49:32 h6
15.04 50km USA3rd Rattler Trail Race 50K 5:37:44 h12
2016
25.06 50mi USA22nd San Juan Solstice 50 Mile Run 13:53:57 h109
2015
25.07 100km USA1st Never Summer 100k 17:33:00 h37
18.04 50km USARattler Trail Race 50K 5:51:52 h11
2014
16.08 100mi USA32nd Leadville Trail 100 Mile 27:27:55 h139
13.07 50mi USA7th Leadville Silver Rush 50 Mile Run 9:30:06 h65
10.05 50mi USA3rd Quad Rock 50 Mile 12:31:23 h93
26.04 50km USA4th Cheyenne Mountain Trail Race 6:37:01 h50
2013
12.07 100mi USA20th Hardrock Hundred Endurance Run 33:45:04 h20
25.05 50mi USA8th Jemez Mountain 50mi Trail Run 12:44:54 h43
11.05 50mi USA2nd Quad Rock 50 Mile 10:48:15 h48
27.04 50km USA3rd Cheyenne Mountain Trail Race 5:19:02 h20
23.02 40mi USA15th Mount Mitchell Challenge 6:51:00 h59
2012
13.07 100mi USA19th Hardrock Hundred Endurance Run 36:06:00 h35
23.06 50mi USA18th San Juan Solstice 50 Mile Run 12:39:39 h50
02.06 50km USA4th Golden Gate Dirty 30 6:07:03 h35
19.05 50mi USA7th Jemez Mountain 50mi Trail Run 11:43:37 h30
12.05 50mi USA1st Quad Rock 50 Mile 11:31:37 h67
21.04 100km USA6th Vasque Free State Trail 100 km Run 11:45:06 h7
2011
18.06 50mi USA17th San Juan Solstice 50 Mile Run 13:34:30 h96
04.06 50km USA3rd Golden Gate Dirty 30 6:19:47 h37
21.05 50mi USA6th Jemez Mountain 50mi Trail Run 10:44:36 h12
07.05 50mi USA12th Collegiate Peaks 50 Miles 8:06:37 h13
23.04 50km USA1st Cheyenne Mountain Trail Race 6:32:31 h45
26.03 24h USA5th 24 Hours of Utah 69.137 km8
2010
24.09 100mi USA12th The Bear 100 Mile Endurance Run 29:15:24 h48
21.08 100mi USA28th Leadville Trail 100 Mile 23:42:16 h54
09.07 100mi USA17th Hardrock Hundred Endurance Run 37:31:00 h36
18.06 100mi USA19th Bighorn Mountain Wild & Scenic 100 Mile Trail Run 29:24:07 h44
05.06 50km USA2nd Golden Gate Dirty 30 6:41:47 h25
2009
22.08 100mi USA27th Leadville Trail 100 Mile 24:29:20 h50
10.07 100mi USA16th Hardrock Hundred Endurance Run 36:35:51 h34
19.05 50mi USA4th Jemez Mountain 50mi Trail Run 13:37:58 h46
02.05 50mi USA10th Collegiate Peaks 50 Miles 9:12:59 h18
18.04 50mi USA6th Desert Rats Trail Running Festival 50 Miles 10:33:19 h23
2008
11.07 100mi USA15th Hardrock Hundred Endurance Run 42:55:01 h59
21.06 50mi USA14th San Juan Solstice 50 Mile Run 11:52:40 h38
03.05 50mi USA9th Collegiate Peaks 50 Miles 8:34:36 h6
19.04 50km USA4th Greenland Trail Race 4:23:37 h6
2007
18.08 100mi USA25th Leadville Trail 100 Mile 28:37:32 h138
16.06 50mi USA13th San Juan Solstice 50 Mile Run 15:47:31 h118
14.04 50km USA3rd Greenland Trail Race 5:01:12 h18
2006
21.10 50mi USA22nd Palo Duro 50 Mile Trail Run 9:33:03 h17
17.06 50mi USA12th San Juan Solstice 50 Mile Run 13:30:47 h59
06.05 50mi USA7th Collegiate Peaks 50 Miles 9:54:15 h30
07.01 100km USA6th Bandera 100 km Ultratrail 12:32:27 h7
2005
03.12 50mi USA16th Sunmart Texas Trails 50 Mile 8:47:14 h47
19.11 44mi USA1st Wild Hare 44 Mile Race 7:39:00 h4
22.10 50km USA13th Rocky 50 km Trail Run 4:22:55 h5
14.05 50km USA3rd Prickly Pear 50 km Trail Run 4:58:51 h5
23.04 50km USA5th Hells Hills 50km Race 4:53:02 h6
02.04 50km USA13th Hog's Hunt 50K Trail Run 4:49:47 h9