Thomas Brown
ID 102890
Born : 1971 Cat. M55 Ultrarunner since 2002 USA
39
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
6
Countries visited ?CANCanadaGREGreeceJPNJapanKORSouth KoreaNZLNew ZealandUSAUnited States
74,8%
Rank quotient ?This runner's calculation uses 39 eligible race(s): Σ(rank − 1) = 3 795; Σ finishers = 5 075. 3 795 / 5 075 × 100 = 74.78%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed39
Km — ultra races4 468 km
> 100 km17
> 160 km17
> 200 km1
> 24h1
Longest race255,0 km
4. Dolichos Race Delphi - Olympia — 1/5/2015

Km per year (ultra races)

355
4 races
2022
709
5 races
2023
2024
2025
2026

Race types (share of distance)

Road10,2%
Trail89,8%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M0
🏅 Top 30
🏅 Top 3 M1
Longest winning streak0
Current streak0

Records

50 km5h47'18100 km15h21'5750 mi9h51'13100 mi27h08'2712 h64,86 km24 h94,15 km

HISTORY

39 race(s)
DateRacePerf.Rk
2023
08.09 100mi USA44th Wasatch Front 100 Mile 35:15:12 h166
29.07 100mi USA5th Badger Trail Races by Ten Junk Miles Racing 29:05:28 h55
24.06 100mi USA50th Western States 100 Mile Endurance Run 29:40:12 h312
03.06 100mi USA45th Old Dominion 100 Mile Endurance Run 27:25:30 h45
22.04 12h USA2nd The Firefly Trail Run 64.856 km14
2022
10.12 24h USA2nd Stillwater Ultras 24 Hour Race 94.146 km8
06.05 100mi USA4th The Hellbender One Hundred 39:22:25 h67
26.03 50km USA3rd Cold Mountain 50km Trail Race 7:49:17 h19
12.03 50km USA10th Marin Ultra Challenge 50 km Race 9:29:12 h235
2021
13.11 100mi USA8th Tunnel Hill 100 Mile Race 27:08:27 h167
17.09 100mi USA13th Grindstone 100 Mile 37:15:38 h150
04.09 30mi USA16th Iron Mountain 30 Mile Trail Run 7:46:06 h68
05.06 100mi USA43rd Old Dominion 100 Mile Endurance Run 27:31:47 h43
2020
29.02 40mi USA21st Mount Mitchell Challenge 5:55:09 h199
2019
04.10 100mi USA11th Grindstone 100 Mile 37:45:34 h196
21.09 50km USA9th Table Rock 50 km Ultra 9:13:56 h208
31.08 50mi USA14th Iron Mountain 50 Mile Trail Run 11:44:41 h60
23.03 100mi NZL9th Northburn Station 100 Miler Mountain Run 45:06:05 h46
2018
20.10 55mi USA11th Peacock Challenge 55 (PC 55) Mile Run 16:38:04 h36
05.05 100km USA23nd Miwok 100k Trail Race 15:21:57 h275
2017
21.10 55mi USA10th Peacock Challenge 55 (PC 55) Mile Run 15:51:50 h32
11.08 120mi CAN8th Fat Dog 120 Mile Trail Race 46:08:34 h95
03.06 100mi USA39th Old Dominion 100 Mile Endurance Run 27:44:19 h28
2016
15.10 55mi USA9th Peacock Challenge 55 (PC 55) Mile Run 15:45:11 h29
03.09 30mi USA11th Tantalus Triple Trek 30 Mile 8:30:17 h56
23.04 200km KOR15th Jeju-do around 200 km 31:48:24 h19
2015
31.10 100km KOR1st Busan 100k Ultra Trail Race 22:59:06 h39
25.09 170.3km JPN4th Ultra-Trail Mt. Fuji 43:32:56 h416
01.05 255km GRE4. Dolichos Race Delphi - Olympia 47:28:30 h16
2014
07.06 100mi USA36th Old Dominion 100 Mile Endurance Run 27:10:10 h33
2013
19.10 100km USA6th Peacock Challenge 100k 19:48:00 h32
2005
20.08 100mi USA23rd Leadville Trail 100 Mile 29:43:59 h199
16.07 50km USA3rd Santa Cruz Mountains 50 km 6:30:26 h10
02.07 50km USA3rd Angel Island 50k 5:47:18 h15
04.06 50km USA16th Shadow of the Giants 50K 6:14:14 h42
07.05 50mi USA22nd Quicksilver 50 Mile Endurance Run 10:50:48 h57
26.03 50km USA4th Pirates Cove Trail Run 6:39:37 h19
2003
22.11 50mi USA41st JFK 50 Mile 9:51:13 h296
2002
18.05 50mi USA9th Bishop High Sierra Ultramarathons 50 Miles 11:58:59 h32