Scott Klopfenstein
Born : 1970 Cat. M55 Ultrarunner since 1996 USA
60
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
80
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
17,6%
Rank quotient ?This runner's calculation uses 69 eligible race(s): Σ(rank − 1) = 1 654; Σ finishers = 9 377. 1 654 / 9 377 × 100 = 17.64%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed69
Km — ultra races7 364 km
> 100 km26
> 160 km25
> 24h2
Longest race161,4 km

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road2,2%
Trail97,8%

Wins & podiums (ultra)

🏆 Win3
🏆 Win M3
🏅 Top 36
🏅 Top 3 M7
Longest winning streak1
Current streak0

HISTORY

69 race(s)
DateRacePerf.Rk
2021
24.04 50km USA11th Cheyenne Mountain Trail Race 5:01:33 h4
2019
01.06 100mi USA24th Kettle Moraine 100 Mile Endurance Run 22:25:51 h13
04.05 51.4mi USA20th Collegiate Peaks 50 Miles 9:30:38 h7
2018
28.07 50mi USA4th Pikes Peak Ultra 50 Mile 10:58:59 h12
23.06 50mi USA24th San Juan Solstice 50 Mile Run 12:12:09 h63
12.05 50mi USA7th Quad Rock 50 Mile 10:52:30 h44
28.04 50km USA8th Cheyenne Mountain Trail Race 5:37:20 h13
2017
19.08 100mi USA35th Leadville Trail 100 Mile 26:13:30 h75
24.06 50mi USA23rd San Juan Solstice 50 Mile Run 12:13:41 h59
13.05 50mi USA6th Quad Rock 50 Mile 10:50:30 h29
2016
16.09 100mi USA10th Run Rabbit Run 100 Mile UltraMarathon - Tortoises Run 25:23:04 h8
23.07 100km USA2nd Never Summer 100k 16:41:47 h41
04.06 50km USA8th Golden Gate Dirty 30 6:59:46 h98
2015
18.09 100mi USA9th Run Rabbit Run 100 Mile UltraMarathon - Tortoises Run 25:10:03 h4
01.08 50mi USA1st Pikes Peak Ultra 10:59:59 h7
27.06 50mi USA21st San Juan Solstice 50 Mile Run 11:48:15 h49
14.06 50mi USA4th Quad Rock 50 Mile 11:20:15 h11
25.04 50km USA5th Cheyenne Mountain Trail Race 5:13:55 h7
2014
12.09 100mi USA8th Run Rabbit Run 100 Mile UltraMarathon - Tortoises Run 22:35:05 h1 🏆
13.07 50mi USA7th Leadville Silver Rush 50 Mile Run 8:33:52 h15
31.05 50km USA6th Golden Gate Dirty 30 6:31:13 h38
10.05 50mi USA3rd Quad Rock 50 Mile 9:51:45 h26
26.04 50km USA4th Cheyenne Mountain Trail Race 5:15:44 h14
2013
14.07 50mi USA6th Leadville Silver Rush 50 Mile Run 8:31:59 h28
22.06 50mi USA19th San Juan Solstice 50 Mile Run 11:33:23 h42
11.05 50mi USA2nd Quad Rock 50 Mile 10:20:10 h35
27.04 50km USA3rd Cheyenne Mountain Trail Race 5:16:48 h19
2012
18.08 100mi USA30th Leadville Trail 100 Mile 23:53:33 h53
15.07 50mi USA5th Leadville Silver Rush 50 Mile Run 8:53:35 h35
02.06 100mi USA17th Kettle Moraine 100 Mile Endurance Run 20:19:50 h6
12.05 50mi USA1st Quad Rock 50 Mile 10:09:05 h31
05.05 50km USA8th Greenland Trail Race 4:36:19 h20
2011
20.08 100mi USA29th Leadville Trail 100 Mile 23:52:45 h53
17.07 50mi USA4th Leadville Silver Rush 50 Mile Run 8:48:07 h23
18.06 50mi USA17th San Juan Solstice 50 Mile Run 12:10:18 h53
20.05 24h USA2nd CRUD 24h Hour Trail Run 146.450 km1 🏆
07.05 50mi USA12th Collegiate Peaks 50 Miles 8:35:01 h20
2010
21.08 100mi USA28th Leadville Trail 100 Mile 22:53:53 h34
18.07 50mi USA3rd Leadville Silver Rush 50 Mile Run 8:56:45 h20
26.06 24h USA4th 24 Hours of Laramie 161.417 km1 🏆
01.05 50mi USA11th Collegiate Peaks 50 Miles 8:28:41 h17
2009
22.08 100mi USA27th Leadville Trail 100 Mile 23:56:11 h39
26.07 50mi USA2nd Leadville Silver Rush 50 Mile Run 8:04:35 h9
06.06 100mi USA14th Kettle Moraine 100 Mile Endurance Run 17:34:18 h2 🥈
02.05 50mi USA10th Collegiate Peaks 50 Miles 8:32:46 h13
2008
16.08 100mi USA26th Leadville Trail 100 Mile 23:48:43 h22
20.07 50mi USA1st Leadville Silver Rush 50 Mile Run 9:02:35 h14
03.05 50mi USA9th Collegiate Peaks 50 Miles 8:32:23 h5
29.03 100mi USA2nd 24 Hours of Utah - 100 mile race 24:47:00 h2 🥈
2007
18.08 100mi USA25th Leadville Trail 100 Mile 23:42:47 h29
02.06 100mi USA12th Kettle Moraine 100 Mile Endurance Run 20:25:45 h7
05.05 50mi USA8th Collegiate Peaks 50 Miles 9:09:34 h14
2006
19.08 100mi USA24th Leadville Trail 100 Mile 22:40:50 h19
06.05 50mi USA7th Collegiate Peaks 50 Miles 8:27:22 h7
2005
20.08 100mi USA23rd Leadville Trail 100 Mile 22:37:50 h16
04.06 100mi USA10th Kettle Moraine 100 Mile Endurance Run 21:11:36 h5
07.05 50mi USA6th Collegiate Peaks 50 Miles 9:00:08 h20
2004
21.08 100mi USA22nd Leadville Trail 100 Mile 25:59:40 h53
05.06 100mi USA9th Kettle Moraine 100 Mile Endurance Run 24:49:40 h17
2003
16.08 100mi USA21st Leadville Trail 100 Mile 27:05:46 h69
07.06 100mi USA8th Kettle Moraine 100 Mile Endurance Run 23:21:16 h13
2002
17.08 100mi USA20th Leadville Trail 100 Mile 29:07:32 h143
01.06 100mi USA7th Kettle Moraine 100 Mile Endurance Run 24:51:19 h15
04.05 50mi USA4th Collegiate Peaks 50 Miles 9:39:49 h26
2001
15.12 30mi USA1st Frozen Ass Trail 30 Mile 4:57:31 h4
2000
08.07 50mi USASnow Mountain Trail Challenge - 50 Miler 9:53:34 h6
06.05 50mi USA3rd Collegiate Peaks 50 Miles 9:27:09 h19
08.04 75km USA3rd Mile High Metric Challenge 75 km 7:39:21 h2 🥈
1996
02.11 46mi USA14th Pine Mountain Trail Run 8:27:12 h4