Thomas Booker
ID 99009
Born : 1960 Cat. M65 Ultrarunner since 2009 USA
50
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
55
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
41,8%
Rank quotient ?This runner's calculation uses 72 eligible race(s): Σ(rank − 1) = 2 063; Σ finishers = 4 933. 2 063 / 4 933 × 100 = 41.82%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed72
Km — ultra races5 871 km
> 100 km18
> 160 km7
> 24h13
Longest race170,6 km
6th Cruel Jewel 100 Mile — 18/5/2018

Km per year (ultra races)

231
2 races
2022
166
2 races
2023
239
3 races
2024
364
4 races
2025
113
1 race
2026

Race types (share of distance)

Road2,5%
Trail97,5%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M0
🏅 Top 37
🏅 Top 3 M9
Longest winning streak0
Current streak0

Records

50 km5h07'32100 km14h30'5650 mi8h10'49100 mi25h20'436 h50,69 km24 h160,93 km

HISTORY

72 race(s)
DateRacePerf.Rk
2026
06.06 24h USA11th Three Sisters Ultra Festival 24 Hour Run 113.297 km7
2025
22.11 50mi USA4th Fall Creek 50 8:10:49 h49
25.10 100km USA11th Firewater 100k Trail Race 19:04:39 h15
19.07 70km USA2nd The Cherokee 70k 14:39:29 h32
07.06 24h USA10th Three Sisters Ultra Festival 24 Hour Run 113.297 km9
2024
26.10 50km USA10th Firewater 50k Trail Race Sunset 7:57:04 h6
10.08 24h USA5th Fort Frenzy 24 Hour Run 108.630 km7
01.06 24h USA9th Three Sisters Ultra Festival 24 Hour Run 80.467 km15
2023
28.10 50km USA9th Firewater 50k Trail Race 8:43:25 h21
03.06 24h USA8th Three Sisters Ultra Festival 24 Hour Run 115.872 km8
2022
22.10 100km USA8th Firewater 100k Trail Race 17:33:42 h15
28.05 24h USA7th Three Sisters Ultra Festival 24 Hour Run 130.759 km5
2021
23.10 100km USA7th Firewater 100k Trail Race 15:59:45 h14
29.05 24h USA6th Three Sisters Ultra Festival 24 Hour Run 140.817 km5
2020
12.12 33mi USA1st Gone Loco 33 Mile Race 6:03:20 h10
14.11 50km USA13th Upchuck 50K Trail Running Race 7:00:04 h57
24.10 100km USA6th Firewater 100k Trail Race 14:30:56 h3 🥉
15.08 6h USA1st Fort Frenzy 6 Hour Run 50.694 km5
25.07 24h USA5th Three Sisters Ultra Festival 24 Hour Run 110.642 km11
25.01 50km USA26th Mountain Mist 50k 6:43:19 h118
2019
09.11 50km USA12th Upchuck 50K Trail Running Race 6:50:46 h50
31.08 50mi USA14th Iron Mountain 50 Mile Trail Run 10:28:58 h22
27.04 24h USA4th Three Sisters Ultra Festival 24 Hour Run 150.876 km2 🥈
02.03 50mi USA4th Fontandango 50 Mile 12:07:32 h14
2018
10.11 50km USA11th Upchuck 50K Trail Running Race 7:13:47 h58
20.10 100km USA4th Firewater 100k Trail Race 14:39:13 h4
22.09 50km USA10th Cumberland Trail 50k 8:18:02 h6
18.05 106mi USA6th Cruel Jewel 100 Mile 34:30:37 h27
28.04 24h USA3rd Three Sisters Ultra Festival 24 Hour Run 160.934 km2 🥈
27.01 50km USA24th Mountain Mist 50k 6:28:58 h110
2017
09.12 24h USA6th One Epic Run 24 Hour Race 149.668 km5
11.11 50km USA10th Upchuck 50K Trail Running Race 6:36:01 h33
21.10 100mi USA3rd Firewater 100 Mile Trail Race 31:16:52 h3 🥉
16.09 50km USA4th The Barkley Fall Classic 12:59:03 h111
02.09 50mi USA12th Iron Mountain 50 Mile Trail Run 11:22:27 h73
29.04 24h USA2nd Three Sisters Ultra Festival 24 Hour Run 125.730 km2 🥈
2016
12.11 50km USA9th Upchuck 50K Trail Running Race 6:17:34 h44
22.10 100mi USA2nd Firewater 100 Mile Trail Race 27:47:00 h3 🥉
03.09 50mi USA11th Iron Mountain 50 Mile Trail Run 11:40:16 h72
30.04 24h USA1st Three Sisters Ultra Festival 24 Hour Run 110.642 km5
05.03 50km USA1st Conquer the Rock - Foothills 50K 8:07:01 h12
09.01 50mi USA2nd Cloudland Canyon 50 Mile Race 10:40:57 h26
2015
14.11 50km USA8th Upchuck 50K Trail Running Race 7:15:41 h50
24.10 100mi USA1st Firewater 100 Mile Trail Race 28:30:54 h3 🥉
03.10 50km USA7th Cumberland Trail 50k 8:44:47 h20
05.09 50mi USA10th Iron Mountain 50 Mile Trail Run 11:36:48 h70
2014
11.10 50km USA6th Cumberland Trail 50k 8:29:00 h13
30.08 30mi USA9th Iron Mountain 30 Mile Trail Run 6:53:33 h37
2012
03.11 100mi USA5th Pinhoti 100 Mile 25:20:43 h33
23.09 32mi USA4th Autumn Equinox 32 Miles Ultra 5:47:41 h10
01.09 50mi USA7th Iron Mountain 50 Mile Trail Run 10:55:58 h33
28.07 50km USA2nd Kanawha Trace Trail Runs 7:11:40 h40
11.02 50km USA9th Louisville's Love'n the Hills (LLTH 50K) 7:07:04 h34
07.01 50km USA3rd Tsali Frosty Foot 50k 5:27:11 h38
2011
12.11 50km USA4th Upchuck 50K Trail Running Race 7:23:25 h35
08.10 100mi USA4th Grindstone 100 Mile 30:30:30 h39
03.09 30mi USA6th Iron Mountain 30 Mile Trail Run 5:26:26 h6
16.07 50km USA1st Kanawha Trace Trail Runs 7:07:41 h18
16.04 50km USA5th SweetH2O 50 km 6:43:03 h69
05.03 50mi USA1st GUTS Reactor 50 Mile Run 12:41:50 h20
19.02 50km USA6th Black Warrior 50K 5:46:53 h37
2010
18.12 50mi USA3rd Lookout Mountain 50 Mile Race 9:48:15 h34
05.12 40mi USA21st Pine Mountain 40 Miles 7:58:07 h27
20.11 50km USA7th Dizzy Fifties - 50 km Trail Run 5:07:32 h15
02.10 50km USA9th Rock/Creek StumpJump 50K 6:21:09 h105
04.09 30mi USA5th Iron Mountain 30 Mile Trail Run 5:30:37 h11
24.04 50km USA10th Promise Land 50K++ 7:06:14 h117
13.03 50mi USA7th Land Between The Lakes 50 Mile Trail Run 8:58:36 h15
20.02 50km USA5th Black Warrior 50K 5:40:00 h18
02.01 50km USA2nd Tsali Frosty Foot 50k 5:42:50 h20
2009
06.12 40mi USA20th Pine Mountain 40 Miles 8:35:59 h37
14.11 50km USA2nd Upchuck 50K Trail Running Race 7:32:26 h35