Jan Kahdeman
Born : 1957 Cat. W65 Ultrarunner since 1989 USA
25
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
60,9%
Rank quotient ?This runner's calculation uses 25 eligible race(s): Σ(rank − 1) = 2 836; Σ finishers = 4 653. 2 836 / 4 653 × 100 = 60.95%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed25
Km — ultra races1 893 km
> 100 km3
> 160 km2
> 24h1
Longest race160,9 km

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road26,3%
Trail73,7%

Wins & podiums (ultra)

🏆 Win0
🏆 Win F0
🏅 Top 30
🏅 Top 3 F1
Longest winning streak0
Current streak0

HISTORY

25 race(s)
DateRacePerf.Rk
2002
09.03 50km USA13th Way Too Cool 50K Endurance Run 7:26:01 h480
2000
11.03 50km USA11th Way Too Cool 50K Endurance Run 6:49:55 h351
1999
01.05 100km USA4th Miwok 100k Trail race 14:05:53 h95
10.04 50mi USA20th American River 50 Mile Endurance Run 9:36:23 h249
1998
28.11 28mi USA14th Quad Dipsea Trail Run 6:48:10 h136
14.03 50km USA9th Way Too Cool 50K Endurance Run 6:02:36 h189
1997
29.11 28mi USA13th Quad Dipsea Trail Run 6:40:10 h127
05.04 50mi USA18th American River 50 Mile Endurance Run 9:51:18 h302
1996
16.11 50mi USA1st Helen Klein Ultra Classic 50mi 8:49:47 h24
06.10 12h USA4th DSE Distance Classic 12 Hour 64.684 km17
01.09 50km USA2nd Run On The Sly 50 km 7:15:56 h46
1994
23.07 100mi USA6th Vermont 100 Mile Endurance Race 21:53:43 h41
21.05 50km USA9th Silver State 50 km 7:13:17 h28
07.05 50mi USA11th Quicksilver 50 Mile Endurance Run 11:03:51 h43
16.04 100km USA9th Ruth Anderson Ultra 100km 10:23:27 h11
05.02 50km USA16th Jed Smith Ultra Classic - 50 km Race 4:44:43 h35
1993
12.11 24h USA4th Gibson Ranch 24-hour Classic 152.887 km16
09.10 50mi USA11th Dick Collins Firetrails 50 Mile 10:11:46 h46
1992
08.02 50km USA14th Jed Smith Ultra Classic - 50 km Race 4:49:53 h46
1991
14.09 50km USAPacific Crest Trail 50 km 6:49:59 h34
06.04 50mi USA12th American River 50 Mile Endurance Run 9:03:07 h155
09.03 50km USA2nd Way Too Cool 50K Endurance Run 5:53:59 h114
1990
23.06 100mi USA17th Western States 100 Mile Endurance Run 28:51:04 h172
11.02 50mi USA12th Jed Smith Ultra Classic - 50 Mile Race 8:18:12 h62
1989
13.05 50km USA6th Quicksilver 50 km Endurance Run 5:57:16 h42