Norris Cochran
ID 476126
Born : 1970 Cat. M55 Ultrarunner since 2013 USA
29
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
40
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
31,2%
Rank quotient ?This runner's calculation uses 29 eligible race(s): Σ(rank − 1) = 1 349; Σ finishers = 4 320. 1 349 / 4 320 × 100 = 31.23%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed29
Km — ultra races1 871 km
> 100 km1
> 160 km1
Longest race160,9 km
11th Ghost Train Rail Trail Races 100 Mile — 19/10/2019

Km per year (ultra races)

180
3 races
2022
230
4 races
2023
130
2 races
2024
211
3 races
2025
50
1 race
2026

Race types (share of distance)

Road5,7%
Trail94,3%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M3
🏅 Top 32
🏅 Top 3 M7
Longest winning streak0
Current streak0

Records

50 km4h44'31100 km10h42'3050 mi9h40'06100 mi21h59'446 h56,18 km

HISTORY

29 race(s)
DateRacePerf.Rk
2026
07.03 50km USA21st Seneca Creek Greenway Trail 50k 6:31:50 h69
2025
08.11 50mi USA16th Stone Mill 50 Mile Run 10:52:21 h72
19.04 50km USA13th Hyner View Trail Challenge 50 km 7:36:32 h161
05.04 50mi USA31st Bull Run Run 50 Miler 11:24:22 h56
2024
07.12 50km USA9th Devil Dog Ultra 50 km Race 6:53:14 h32
06.04 50mi USA30th Bull Run Run 50 Miler 11:28:21 h75
2023
21.10 50km USA10th Patapsco Valley 50K 6:57:50 h94
06.05 6h USA12th Farm Park Challenge - 6 Hour Run 49.245 km6
15.04 50mi USA29th Bull Run Run 50 Miler 11:49:39 h83
11.03 50km USA18th Elizabeth's Furnace Fat Ass 50 km Race 9:56:00 h39
2022
12.11 50mi USA13th Stone Mill 50 Mile Run 11:09:03 h56
29.10 50km USA23th Chicago Lakefront Fall 50km Race 4:44:31 h15
07.05 6h USA11th Farm Park Challenge - 6 Hour Run 49.970 km5
2019
19.10 100mi USA11th Ghost Train Rail Trail Races 100 Mile 21:59:44 h8
01.06 50km USA4th Run it with Janet 50k Race 4:56:30 h4
04.05 10h USA8th Farm Park Challenge - 10 Hour Run 50.018 km5
27.04 50km USA12th Endurance Challenge - Washington D.C. Trail 50 km 5:06:23 h30
2018
22.09 6h USA2nd Mason District Running Festival 49.889 km6
12.05 55mi USA4th Manchester to Monadnock Ultramarathon 11:22:14 h12
05.05 6h USA7th Farm Park Challenge - 6 Hour Run 49.889 km3 🥉
28.04 50km USA11th Endurance Challenge - Washington D.C. Trail 50 km 5:39:25 h75
2017
23.09 6h USA1st Mason District Running Festival 49.889 km5
06.05 10h USA6th Farm Park Challenge - 10 Hour Run 83.364 km5
2016
21.08 50km USA4th Hampshire 100 - 50K run 5:42:15 h15
30.07 6h USA6th Endless Summer 6-Hour Run 56.175 km15
09.04 50km USA9th Endurance Challenge - Washington D.C. Trail 50 km 5:46:01 h74
2015
18.04 50km USA8th Endurance Challenge - Washington D.C. Trail 50 km 5:18:12 h32
2014
06.09 100km USA3rd Pine Creek Challenge 100 km 10:42:30 h3 🥉
2013
23.11 50mi USA51st JFK 50 Mile 9:40:06 h323