Tom Zinkle
Born : 1943 Cat. M80 Ultrarunner since 1997 USA
50
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
1
Countries visited ?USAUnited States
89,7%
Rank quotient ?This runner's calculation uses 59 eligible race(s): Σ(rank − 1) = 10 940; Σ finishers = 12 195. 10 940 / 12 195 × 100 = 89.71%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed59
Km — ultra races3 717 km
> 100 km2
> 160 km2
Longest race160,9 km

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road7,2%
Trail92,8%

HISTORY

59 race(s)
DateRacePerf.Rk
2018
10.11 50mi USA5th Tunnel Hill 50 Mile Race 14:35:10 h369
29.09 50km USA5th Overlook Endurance Run 50K 9:42:23 h97
21.07 55km USA17th Tahoe Rim Trail 55km Endurance Run 11:13:13 h108
2017
15.07 55km USA16th Tahoe Rim Trail 55km Endurance Run 11:26:19 h126
04.03 50km USA28th Way Too Cool 50K Endurance Run 9:02:56 h696
2016
15.10 50km USA3rd Overlook Endurance Run 50K 8:17:20 h129
16.07 55km USA15th Tahoe Rim Trail 55km Endurance Run 12:06:42 h101
05.03 50km USA27th Way Too Cool 50K Endurance Run 8:25:31 h778
2015
18.10 50km USA2nd Overlook Endurance Run 50K 9:19:38 h149
07.03 50km USA26th Way Too Cool 50K Endurance Run 8:25:46 h963
2014
06.09 50km USA1st Overlook Endurance Run 50K 8:43:13 h66
19.07 50km USA13th Tahoe Rim Trail 50km Endurance Run 11:56:25 h108
08.03 50km USA25th Way Too Cool 50K Endurance Run 8:06:35 h971
2012
10.03 50km USA23rd Way Too Cool 50K Endurance Run 8:11:15 h692
2009
21.03 50km USA5th Rucky Chucky Roundabout 50K 8:07:17 h42
28.02 50km USA6th Pony Express 50K Sprint 6:30:15 h16
07.02 50km USA8th Woodside Trail Run 50K 7:12:53 h82
2008
05.04 50mi USA29th American River 50 Mile Endurance Run 11:56:10 h413
22.03 50km USA4th Rucky Chucky Roundabout 50K 8:23:25 h77
08.03 50km USA19th Way Too Cool 50K Endurance Run 7:29:00 h413
02.02 50km USA7th Woodside Trail Run 50K 7:05:39 h58
2007
22.12 50km USA3rd Rodeo Beach 50km 7:38:04 h53
15.12 50km USAMuir Beach Trail Run 8:00:50 h53
03.11 50km USA12th Helen Klein Ultra Classic 50km 6:36:34 h57
22.09 100mi USA8th Rio Del Lago 100 Mile 28:58:04 h57
02.09 50km USA12th Run On The Sly 50 km 8:03:25 h79
04.08 12h USA1st Cool 12 Hour Night Run 57.936 km32
21.07 50mi USA6th Tahoe Rim Trail 50M Endurance Runs 15:49:45 h103
14.04 50mi USA28th American River 50 Mile Endurance Run 11:50:51 h410
2006
11.03 50km USA17th Way Too Cool 50K Endurance Run 7:25:46 h341
2005
05.11 50mi USA10th Helen Klein Ultra Classic 50mi 11:27:53 h105
04.09 50km USA11th Run On The Sly 50 km 7:09:16 h42
16.07 50km USA4th Tahoe Rim Trail 50km Endurance Runs 9:05:59 h122
04.06 50km USA16th Shadow of the Giants 50K 7:18:38 h71
02.04 50mi USA26th American River 50 Mile Endurance Run 12:46:21 h434
19.03 50km USA3rd Rucky Chucky Roundabout 50K 8:49:07 h112
2004
05.09 50km USA10th Run On The Sly 50 km 7:51:03 h70
01.08 50km USA23rd Skyline 50k Endurance Run 7:25:39 h147
05.06 50km USA15th Shadow of the Giants 50K 8:06:04 h102
15.05 50km USA19th Silver State 50 km 9:22:05 h59
17.04 50mi USA3rd Pony Express 50 Mile Run 11:04:44 h13
20.03 50km USA2nd Rucky Chucky Roundabout 50K 8:54:07 h130
13.03 50km USA15th Way Too Cool 50K Endurance Run 7:40:47 h454
2001
28.07 50km USA8th Buckeye Trail 50k 8:08:42 h38
2000
29.07 50km USA7th Buckeye Trail 50k 7:32:57 h32
08.07 50mi USA1st Elk Valley Ultra Run 11:08:30 h14
15.04 50mi USA8th Bull Run Run 50 Miler 10:40:26 h138
18.03 54mi USA4th Kentucky Ultra Trail Sojourn 50 Miles 12:13:00 h18
1999
11.09 50mi USA4th Dances with Dirt - Hell 50M Ultra 12:09:03 h32
19.06 100mi USA10th Mohican Trail 100 Mile 28:09:23 h55
17.04 50mi USA7th Bull Run Run 50 Miler 11:29:58 h166
16.02 40mi USA7th Uwharrie Mountain Run 10:49:12 h67
1998
21.11 50mi USA36th JFK 50 Mile 11:12:48 h551
25.07 50km USA5th Buckeye Trail 50k 8:03:43 h32
18.04 50mi USA6th Bull Run Run 50 Miler 12:10:47 h161
04.04 50mi USA4th Umstead Endurance Run 50 Miles 12:23:00 h47
1997
13.09 50mi USA14th Groundhog Classic 50 Mile 12:11:00 h27
26.07 50km USA4th Buckeye Trail 50k 7:37:53 h33
08.02 40mi USA5th Uwharrie Mountain Run 11:28:40 h88