Robin Kokjohn
Born : 1956 Cat. W70 Ultrarunner since 1994 USA
35
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
40
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
60,5%
Rank quotient ?This runner's calculation uses 35 eligible race(s): Σ(rank − 1) = 1 725; Σ finishers = 2 852. 1 725 / 2 852 × 100 = 60.48%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed35
Km — ultra races2 340 km
> 24h4
Longest race97,8 km

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road39,2%
Trail60,8%

Wins & podiums (ultra)

🏆 Win0
🏆 Win F3
🏅 Top 30
🏅 Top 3 F13
Longest winning streak0
Current streak0

HISTORY

35 race(s)
DateRacePerf.Rk
2010
14.08 8h USA20th Howl at the Moon 8h Run 64.341 km39
27.03 30mi USA4th Clinton Lake Ultra 6:16:27 h54
2009
24.10 50km USA2nd Endurance Challenge - Wisconsin Trail 50 km 6:33:20 h154
2007
01.09 12h USA3rd Flatlanders 12 Hour Run 95.926 km7
19.05 50mi USA8th Berryman 50 Mile 11:03:52 h35
2006
01.07 50km USA13th Afton Trail Run 50K 6:44:35 h57
20.05 50mi USA7th Berryman 50 Mile 12:39:52 h31
2005
15.10 24h USA3rd The Equalizer 24 Hour Run 82.720 km16
23.04 50km USA15th Trail Mix Race 6:27:57 h87
02.04 50km USA6th Chicago Lakefront Spring 50km Race 5:20:50 h47
2004
10.10 50km USA18th Glacial Trail 50 km Race 6:03:26 h30
25.09 6h USA2nd The Equalizer 6 Hour Run 53.269 km6
05.06 12h USA15th FANS 12 Hour Run 97.799 km11
22.05 50km USA2nd Superior Spring 50 km Trail Race 6:14:24 h29
17.04 50km USA6th Double Chubb 50k 5:50:34 h16
10.04 44.4mi USA4th Brew to Brew 44.4 mile 6:44:17 h8
2003
08.11 50km USA10th Quivering Quads 50K Trail Race 6:05:08 h32
03.05 24h USA22nd Cornbelt Running Club 24 Hour Run 81.287 km46
19.04 50km USA5th Double Chubb 50k 5:51:58 h17
12.04 44.4mi USA3rd Brew to Brew 44.4 mile 7:33:06 h16
2002
04.05 24h USA21st Cornbelt Running Club 24 Hour Run 97.558 km34
20.04 50km USA4th Double Chubb 50k 6:01:31 h34
2001
10.11 50km USA8th Quivering Quads 50K Trail Race 6:35:27 h51
2000
30.09 6h USA1st The Equalizer 6 Hour Run 54.395 km10
24.06 24h USA11th FANS 24 Hour Runs 97.671 km60
08.04 50km USA2nd Double Chubb 50k 5:48:40 h27
1999
13.11 50mi USA6th Quivering Quads 50M Trail Race 10:54:22 h14
28.08 50km USAFairfield Trail Runs - 50 km 6:16:20 h7
08.05 50mi USA18th Ice Age Trail 50 Mile Run 10:32:20 h244
10.04 50km USA1st Double Chubb 50k 5:42:01 h25
1998
07.11 50mi USA5th Quivering Quads 50M Trail Race 10:41:39 h9
29.08 50mi USAFairfield Trail Runs - 50 miles 10:56:20 h12
16.05 50mi USA17th Ice Age Trail 50 Mile Run 11:27:40 h277
1997
17.05 50mi USA16th Ice Age Trail 50 Mile Run 10:11:11 h213
1994
01.10 50mi USA1st Quivering Quads 50M Trail Race 10:57:03 h5