John Brown
ID 143701
Born : 1957 Cat. M65 Ultrarunner since 2010 USA
50
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
62
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
31,7%
Rank quotient ?This runner's calculation uses 56 eligible race(s): Σ(rank − 1) = 1 660; Σ finishers = 5 230. 1 660 / 5 230 × 100 = 31.74%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed56
Km — ultra races5 699 km
> 100 km19
> 160 km10
> 200 km2
> 24h16
> 48h2
Longest race362,1 km
10th 3 Days at the Fair 72 Hour Race — 17/5/2018

Km per year (ultra races)

169
2 races
2022
145
2 races
2023
146
2 races
2024
111
1 race
2025
2026

Race types (share of distance)

Road28,5%
Trail71,5%

Wins & podiums (ultra)

🏆 Win3
🏆 Win M4
🏅 Top 310
🏅 Top 3 M12
Longest winning streak1
Current streak0

Records

50 km4h55'00100 km9h45'2350 mi7h51'47100 mi19h45'156 h69,55 km24 h163,30 km

HISTORY

56 race(s) · 1 split(s) nested
DateRacePerf.Rk
2025
18.10 30h USA17th Ghost Train Rail Trail Race 30 Hours 111.152 km115
2024
15.12 8h USA4th Frosty Looper 8 Hour Race 72.430 km35
19.10 30h USA16th Ghost Train Rail Trail Race 30 Hours 73.579 km187
2023
17.12 8h USA3rd Frosty Looper 8 Hour Race 72.433 km15
14.10 30h USA15th Ghost Train Rail Trail Race 30 Hours 72.434 km177
2022
18.12 8h USA2nd Frosty Looper 8 Hour Race 72.436 km9
15.10 60mi USA14th Ghost Train Rail Trail Race 60 Mile 11:53:09 h3 🥉
2021
16.10 100mi USA13th Ghost Train Rail Trail Races 100 Mile 28:25:56 h30
2019
19.10 100mi USA11th Ghost Train Rail Trail Races 100 Mile 21:23:25 h5
16.08 24h USA5th Anchor Down Ultra 24 Hour Run 149.829 km16
29.06 30h USA2nd Forbidden Forest 30-Hour Ultra Run 82.543 km51
16.05 72h USA11th 3 Days at the Fair 72 Hour Race 325.087 km7
20.04 50km USA9th TARC Spring Classic 50 km 5:22:22 h20
2018
20.10 100mi USA10th Ghost Train Rail Trail Races 100 Mile 19:45:15 h8
22.09 9h USA3rd Forgotten Forest 9 Hour Ultra Marathon 78.857 km2 🥈
17.08 24h USA4th Anchor Down Ultra 24 Hour Run 125.528 km13
09.06 50mi USA2nd Endurance Challenge - Massachusetts Trail 50 Miles 14:40:00 h116
17.05 72h USA10th 3 Days at the Fair 72 Hour Race 362.102 km3 🥉
21.04 50km USA8th TARC Spring Classic 50 km 5:18:05 h21
2017
21.10 100mi USA9th Ghost Train Rail Trail Races 100 Mile 20:23:55 h14
16.09 9h USA2nd Forgotten Forest 9 Hour Ultra Marathon 70.070 km5
18.08 24h USA3rd Anchor Down Ultra 24 Hour Run 130.115 km11
01.04 50km USA8th New Jersey Ultra Festival 50 km Race 7:47:00 h7
04.02 50km USA11th Cape Cod Frozen 50k Race 4:55:00 h1 🏆
2016
22.10 100mi USA8th Ghost Train Rail Trail Races 100 Mile 20:05:00 h7
01.10 9h USA1st Forgotten Forest 9 Hour Ultra Marathon 80.080 km1 🏆
19.08 24h USA2nd Anchor Down Ultra 24 Hour Run 102.515 km20
16.07 100mi USA28th Vermont 100 Mile Endurance Race 22:50:53 h70
29.05 50mi USA11th Trail Festival at Pineland Farms 8:10:45 h28
24.04 50km USA1st Goat Hill Trail Festival 5:46:16 h7
2015
24.10 60mi USA7th Ghost Train Rail Trail Race 60 Mile 11:53:00 h5
14.08 24h USA1st Anchor Down Ultra 24 Hour Run 141.863 km7
18.07 24h USA7th Lone Ranger 24 hr Urban Ultra 122.535 km24
24.05 50mi USA10th Trail Festival at Pineland Farms 9:35:03 h49
25.04 50km USA5th TARC Spring Classic 50 km 5:13:25 h17
2014
19.07 24h USA6th Lone Ranger 24 hr Urban Ultra 122.535 km34
07.06 50mi USA2nd TARC 50 Mile 11:58:39 h25
25.05 50km USA9th Trail Festival at Pineland Farms 6:10:00 h147
22.03 50mi USA5th New Jersey Ultra Festival 50 Mile Race 8:21:45 h3 🥉
2013
26.10 60mi USA5th Ghost Train Rail Trail Race 60 Mile 10:59:00 h1 🏆
14.06 100mi USA1st TARC 100 Mile 23:26:07 h15
26.05 50mi USA8th Trail Festival at Pineland Farms 8:04:44 h10
24.03 6h USA2nd TARC Spring Thaw 6 Hour 50.694 km6
2012
03.11 37.5mi USA12th Stone Cat 37.5 Mile 6:40:49 h2 🥈
13.10 50km USA2nd TARC Fall Classic 50 km 5:09:55 h19
18.08 50km USA1st TARC Summer Classic 50 km 5:50:00 h3 🥉
14.07 24h USA4th Lone Ranger 24 hr Ultra-Marathon 54.434 km186
27.05 50km USA7th Trail Festival at Pineland Farms 5:06:41 h48
2011
13.11 6h USA3rd Rhode Island 6 Hour Ultra 69.549 km4
08.10 50km USA1st TARC Fall Classic 50 km 5:31:57 h12
16.07 24h USA3rd Lone Ranger 24 hr Ultra-Marathon 122.477 km42
29.05 50mi USA6th Trail Festival at Pineland Farms 7:51:47 h21
19.03 100km USA2nd New Jersey Ultra Festival 100 km Race 9:45:23 h2 🥈
2010
06.11 50mi USA10th Stone Cat 50 Mile 7:59:55 h9
17.07 24h USA2nd Lone Ranger 24 hr Ultra-Marathon 163.300 km13
22.05 100km USA2nd Mayapple 100 km Trail Run 14:03:00 h8