Ryan Brown
ID 772463
Born : 1991 Cat. M35 Ultrarunner since 2016 USA
22
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
48
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
19,0%
Rank quotient ?This runner's calculation uses 22 eligible race(s): Σ(rank − 1) = 486; Σ finishers = 2 557. 486 / 2 557 × 100 = 19.01%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed22
Km — ultra races2 612 km
> 100 km11
> 160 km11
> 24h1
Longest race160,9 km
3rd Big Tex Backyard — 18/10/2025

Km per year (ultra races)

180
2 races
2022
2023
2024
483
3 races
2025
100
1 race
2026

Race types (share of distance)

Road3,8%
Trail90,0%
Elim.6,2%

Wins & podiums (ultra)

🏆 Win3
🏆 Win M3
🏅 Top 36
🏅 Top 3 M7
Longest winning streak1
Current streak0

Records

50 km3h52'30100 km12h07'0050 mi10h07'06100 mi18h51'00Backyard24 loops

HISTORY

22 race(s)
DateRacePerf.Rk
2026
10.01 100km USA26th Bandera 100 km Endurance Run 12:53:58 h48
2025
18.10 Backyard Ultra USA3rd Big Tex Backyard 160.944 km (24h)5
15.03 100mi USA26th Grasslands 100 Mile Trail Run 22:05:15 h4
01.02 100mi USA33rd Rocky Raccoon 100 Mile Trail Run 19:31:38 h14
2022
23.04 100km USA29th Leona Divide 100 km Run 13:08:14 h30
12.02 50mi USA4th Outlaw 100 Oklahoma - 50 Mile Run 10:51:07 h1 🏆
2021
02.10 100mi USA31st Arkansas Traveller 100 22:26:01 h10
26.02 100km USA8th Lake Ouachita Vista Trail Endurance 100 km Run (LOViT) 17:20:05 h28
2020
24.10 100mi USA14th Cactus Rose 100 Mile 24:55:49 h5
29.02 100mi USA4th Red Dirt Ultra 100 Miles 18:51:00 h1 🏆
2019
07.12 100mi USA6th Brazos Bend 100 - 100 Mile 20:52:34 h28
03.11 50km USA10th Potomac Heritage Trail 5:42:00 h2 🥈
26.10 100mi USA1st Lake Murray 100 Mile Endurance Run 23:32:15 h1 🏆
29.06 100mi USA46th Western States 100 Mile Endurance Run 25:57:22 h155
16.02 50mi USA38th Cross Timbers Trail Run 10:07:06 h2 🥈
2018
09.12 50km USA1st Dallas 50 km Race 4:37:11 h15
01.12 100mi USA4th Dinosaur Valley Endurance Run 100 Mile 22:59:28 h2 🥈
04.11 50km USA9th Potomac Heritage Trail 5:44:00 h4
03.02 100mi USA26th Rocky Raccoon 100 Mile Trail Run 21:46:27 h29
2017
29.04 50mi USA10th Endurance Challenge - Washington D.C. Trail 50 Miles 11:13:30 h82
07.01 100km USA17th Bandera 100 km Ultratrail 12:07:00 h32
2016
28.02 50km USA9th The Cowtown Marathon 3:52:30 h10