William Koppenheffer
ID 67026
Born : 1953 Cat. M70 Ultrarunner since 1983 USA
44
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
50
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 ?CANCanadaUSAUnited States
44,5%
Rank quotient ?This runner's calculation uses 44 eligible race(s): Σ(rank − 1) = 1 881; Σ finishers = 4 229. 1 881 / 4 229 × 100 = 44.48%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed44
Km — ultra races3 937 km
> 100 km10
> 160 km9
> 200 km1
> 24h4
Longest race217,3 km
14th Badwater Ultramarathon — 27/7/2000

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road32,6%
Trail67,4%

Wins & podiums (ultra)

🏆 Win1
🏆 Win M1
🏅 Top 33
🏅 Top 3 M3
Longest winning streak1
Current streak0

Records

50 km4h33'32100 km12h53'4450 mi7h36'50100 mi20h50'2212 h56,33 km24 h165,76 km

HISTORY

44 race(s) · 7 split(s) nested
DateRacePerf.Rk
2004
17.01 100km USA4th HURT 100 Endurance Run 100 km 22:53:00 h22
2002
23.03 50km USA14th The HAT Run 50K 6:15:14 h171
2001
11.08 50km USA6th Catoctin 50k Trail Run 8:12:23 h62
12.05 100mi USA7th Massanutten Mountain Trails 100 Mile 35:08:52 h73
31.03 50mi USA7th Croom Trail 50 Mile Fools Run 10:09:07 h20
24.03 50km USA13th The HAT Run 50K 5:58:54 h152
2000
09.09 50km USA16th Groundhog Fall 50K 6:07:33 h25
27.07 135mi USA14th Badwater Ultramarathon 46:25:49 h25
01.07 50km USA12th Finger Lakes Fifties 50 km Run 6:27:46 h21
13.05 100mi USA6th Massanutten Mountain Trails 100 Mile 34:48:39 h45
1999
03.07 50km USA11th Finger Lakes Fifties 50 km Run 6:23:32 h25
10.04 50mi USA5th Umstead Endurance Run 50 Miles 9:56:17 h30
20.03 50km USA11th The HAT Run 50K 5:27:13 h113
1998
28.03 50km USA10th The HAT Run 50K 5:44:33 h71
21.02 100km USA2nd Catalina 100K Trail Run 12:53:44 h33
1997
22.11 50mi USA35th JFK 50 Mile 9:53:59 h280
31.05 100mi USA19th Old Dominion 100 Mile Endurance Run 26:35:43 h45
03.05 12h USA14th Dawn to Dusk 12 Hour 56.327 km8
12.04 50mi USA5th Bull Run Run 50 Miler 9:49:15 h76
1994
29.10 50mi USA11th San Juan Trail 50 Mile 10:16:26 h32
09.04 50mi USA2nd Bull Run Run 50 Miler 10:00:07 h38
26.03 50km USA6th The HAT Run 50K 4:46:08 h57
1993
11.09 50mi USA10th Groundhog Fall 50 Mile Endurance Run 9:21:30 h70
31.07 100mi USA5th Vermont 100 Mile Endurance Race 20:50:22 h37
08.05 24h USA10th Dawn to Dusk 24 Hour 165.762 km2 🥈
17.04 50mi USA1st Bull Run Run 50 Miler 10:36:00 h19
27.03 50km USA5th The HAT Run 50K 5:02:04 h23
1992
12.09 50mi USA9th Groundhog Fall 50 Mile Endurance Run 9:11:47 h46
1991
07.09 50mi USA8th Groundhog Fall 50 Mile Endurance Run 8:40:24 h38
1990
15.09 24h USA13th Sri Chinmoy 24 Hour Race 162.543 km16
24.03 50km USA2nd The HAT Run 50K 5:01:40 h17
1989
18.11 50mi USA27th JFK 50 Mile 8:22:41 h56
30.04 50mi USA15th Lake Waramaug 50mi Ultra Marathon 7:36:50 h16
25.03 50km USA1st The HAT Run 50K 4:45:58 h7
1988
11.06 100mi USA10th Old Dominion 100 Mile Endurance Run 25:02:00 h41
07.05 50km USA5th Dawn to Dusk 50K 4:33:32 h1 🏆
24.04 50mi USA14th Lake Waramaug 50mi Ultra Marathon 7:46:22 h9
14.02 50mi USA10th Pacific Crest Trail Fifty 9:13:00 h35
1987
04.07 52.4mi CANNunavut Midnight Sun Ultramarathon 8:20:28 h5
09.05 24h USA4th Dawn to Dusk 24 Hour 115.872 km7
1986
10.05 24h USA3rd Dawn to Dusk 24 Hour 163.348 km5
1985
11.05 50km USA2nd Dawn to Dusk 50K 4:42:27 h3 🥉
1984
10.11 50mi USA14th Metropolitan 50 Mile Race 8:18:56 h28
1983
02.10 60km USAUnited Way Runfest 60 km 6:13:00 h20