Philip Kahn
ID 44771
Born : 1953 Cat. M70 Ultrarunner since 1988 USA
45
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
53
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
55,6%
Rank quotient ?This runner's calculation uses 45 eligible race(s): Σ(rank − 1) = 2 402; Σ finishers = 4 317. 2 402 / 4 317 × 100 = 55.64%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed45
Km — ultra races4 682 km
> 100 km18
> 160 km18
Longest race160,9 km
2nd Boulder 100 Mile — 18/10/2008

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Trail100,0%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M0
🏅 Top 31
🏅 Top 3 M2
Longest winning streak0
Current streak0

Records

50 km4h59'1850 mi9h02'00100 mi22h51'5412 h69,14 km

HISTORY

45 race(s)
DateRacePerf.Rk
2015
25.07 60km USA6th Grand Mesa 60 km Trail Race 9:53:35 h16
2014
06.12 50km USA5th McDowell Mountain Frenzy 50 km 7:36:32 h55
26.07 50km USA3rd Mount Werner Classic 50K Trail Run 8:30:54 h82
28.06 50mi USA4th Black Hills 50 Mile Run 16:41:18 h35
2013
26.10 50km USA7th Goblin Valley Ultra 50k 5:24:08 h25
27.07 60km USA4th Grand Mesa 60 km Trail Race 9:57:00 h10
2012
19.05 50km USA7th Jemez Mountain 50km Trail Run 9:12:46 h97
2011
01.10 50km USA3rd Devil Mountain Ultra 50 km 8:34:58 h71
2010
17.07 50km USA1st North Fork 50 km Trail Race 8:32:33 h65
22.05 50km USA5th Jemez Mountain 50km Trail Run 10:29:58 h115
2009
28.03 12h USA3rd 24 Hours of Utah - 12 hour race 69.137 km6
2008
18.10 100mi USA2nd Boulder 100 Mile 24:22:00 h3 🥉
20.09 50mi USA2nd Run Rabbit Run 50 Mile UltraMarathon 13:53:00 h66
21.06 50mi USA14th San Juan Solstice 50 Mile Run 14:56:53 h96
17.05 50mi USA3rd Jemez Mountain 50mi Trail Run 14:47:25 h72
2007
18.08 100mi USA25th Leadville Trail 100 Mile 28:58:39 h159
19.05 50km USA2nd Jemez Mountain 50km Trail Run 10:19:52 h52
2006
28.10 50km USA2nd Goblin Valley Ultra 50k 4:59:18 h23
15.07 100mi USA13th Hardrock Hundred Endurance Run 41:10:51 h37
24.06 50km USA4th Old Gabe 50K 9:06:11 h17
13.05 50mi USA1st Jemez Mountain 50mi Trail Run 13:10:43 h15
2005
20.08 100mi USA23rd Leadville Trail 100 Mile 28:34:32 h128
16.07 50mi USA4th Tahoe Rim Trail 50M Endurance Runs 11:16:09 h38
18.06 50mi USA11th San Juan Solstice 50 Mile Run 13:43:56 h54
21.05 50mi USA20th Silver State 50 Miles 11:20:21 h25
23.04 50mi USA16th Zane Grey Highline Trail 50 Mile 13:43:03 h55
2004
21.08 100mi USA22nd Leadville Trail 100 Mile 29:45:14 h182
2003
16.08 100mi USA21st Leadville Trail 100 Mile 28:01:53 h99
21.06 50mi USA9th San Juan Solstice 50 Mile Run 13:15:38 h52
1998
22.08 100mi USA16th Leadville Trail 100 Mile 29:20:04 h162
10.07 100mi USA6th Hardrock Hundred Endurance Run 44:53:58 h26
1997
21.06 50mi USA3rd San Juan Solstice 50 Mile Run 13:32:38 h30
1996
12.07 100mi USA4th Hardrock Hundred Endurance Run 37:14:32 h10
1995
07.10 100mi USA5th Arkansas Traveller 100 22:51:54 h22
17.06 50mi USA1st San Juan Solstice 50 Mile Run 9:02:00 h14
1994
20.08 100mi USA12th Leadville Trail 100 Mile 24:40:14 h36
07.07 100mi USA3rd Hardrock Hundred Endurance Run 43:41:47 h22
1993
21.08 100mi USA11th Leadville Trail 100 Mile 23:49:44 h23
1992
02.05 50mi USA4th Ouachita Trail 50 Mile 9:52:07 h34
1991
17.08 100mi USA9th Leadville Trail 100 Mile 24:28:55 h34
29.06 100mi USA18th Western States 100 Mile Endurance Run 26:39:57 h137
1990
18.08 100mi USA8th Leadville Trail 100 Mile 22:56:15 h18
02.06 50km USA1st Shadow of the Giants 50K 5:02:50 h33
1989
19.08 100mi USA7th Leadville Trail 100 Mile 24:48:48 h46
1988
20.08 100mi USA6th Leadville Trail 100 Mile 26:04:28 h50