Lou Donofrio
ID 201790
Born : 1978 Cat. M45 Ultrarunner since 2011 USA
50
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
59
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
15,7%
Rank quotient ?This runner's calculation uses 51 eligible race(s): Σ(rank − 1) = 1 264; Σ finishers = 8 068. 1 264 / 8 068 × 100 = 15.67%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed51
Km — ultra races5 371 km
> 100 km18
> 160 km17
> 24h2
Longest race165,6 km
30th Across the Years, 24h — 2/1/2015

Km per year (ultra races)

261
2 races
2022
335
3 races
2023
97
1 race
2024
89
1 race
2025
2026

Race types (share of distance)

Road11,1%
Trail88,9%

Wins & podiums (ultra)

🏆 Win3
🏆 Win M3
🏅 Top 310
🏅 Top 3 M11
Longest winning streak1
Current streak0

Records

50 km3h41'54100 km12h40'5950 mi7h59'30100 mi19h21'3012 h99,94 km24 h165,57 km

HISTORY

51 race(s)
DateRacePerf.Rk
2025
31.08 12h USA15th Labor Pain 12 Hour Endurance Trail Run 88.513 km10
2024
01.09 12h USA14th Labor Pain 12 Hour Endurance Trail Run 96.560 km2 🥈
2023
03.09 12h USA13th Labor Pain 12 Hour Endurance Trail Run 99.940 km2 🥈
29.04 100mi USA11th C&O Canal 100 Mile 20:18:12 h8
04.02 8h USA18th 8 Hour Adventure Trail Run - ICY 74.029 km2 🥈
2022
04.09 12h USA12th Labor Pain 12 Hour Endurance Trail Run 99.940 km1 🏆
30.04 100mi USA10th C&O Canal 100 Mile 20:32:06 h8
2021
04.12 100mi USA6th Devil Dog Ultra 100 Mile Race 24:21:11 h8
2019
07.12 100mi USA4th Devil Dog Ultra 100 Mile Race 23:52:34 h4
12.10 100mi USA7th Tesla Hertz Run 100 Miles 22:54:44 h3 🥉
01.09 12h USA10th Labor Pain 12 Hour Endurance Trail Run 99.779 km6
27.04 100mi USA7th C&O Canal 100 Mile 19:21:30 h5
22.03 100mi USA14th Antelope Island Buffalo Run 100 Mile 22:45:12 h11
2018
25.11 50km USA1st Dirty Bird Trail Run 5:04:00 h4
06.10 100mi USA6th Tesla Hertz Run 100 Miles 22:45:20 h2 🥈
02.09 12h USA9th Labor Pain 12 Hour Endurance Trail Run 96.560 km9
09.06 50mi USA7th OSS/CIA 50 Mile Night Run 11:22:34 h10
2017
18.11 50mi USA55th JFK 50 Mile 8:10:28 h74
03.09 12h USA8th Labor Pain 12 Hour Endurance Trail Run 99.779 km4
29.07 50km USA10th Speedgoat 50k 9:57:50 h117
2016
19.11 50mi USA54th JFK 50 Mile 7:59:30 h65
04.09 12h USA7th Labor Pain 12 Hour Endurance Trail Run 96.560 km6
06.03 50km USA14th Caumsett Park 50K Lloyd Neck - Open Race 3:41:54 h3 🥉
06.02 8h USA11th 8 Hour Adventure Trail Run 80.950 km2 🥈
2015
07.11 100mi USA8th Pinhoti 100 Mile 27:27:19 h76
30.05 24h USA20th Dawn to Dusk to Dawn 24 Hour 149.200 km14
01.03 50km USA13th Caumsett Park 50K Lloyd Neck - Championships 4:27:03 h34
02.01 24h USA30th Across the Years, 24h 165.570 km9
2014
11.10 50mi USA12th Can Lake 50 Mile Ultra 8:27:07 h12
19.07 100mi USA26th Vermont 100 Mile Endurance Race 26:04:57 h159
31.05 50km USA19th Dawn to Dusk to Dawn 50K 4:17:01 h1 🏆
01.02 100mi USA22nd Rocky Raccoon 100 Mile Trail Run 20:34:28 h42
2013
23.11 50mi USA51st JFK 50 Mile 8:04:38 h82
27.09 100mi USA15th The Bear 100 Mile Endurance Run 29:10:00 h69
20.07 100mi USA25th Vermont 100 Mile Endurance Race 22:37:56 h62
04.05 50mi USA6th Endurance Challenge - New York Trail 50 Miles 10:37:45 h52
20.04 50mi USA9th Bel Monte 50 Mile Endurance Run 10:42:09 h9
02.02 8h USA8th 8 Hour Adventure Trail Run 75.639 km8
05.01 50km USA2nd PHUNT 50K Run 5:00:00 h8
2012
13.10 100mi USA4th Oil Creek 100 Miles Trail Run 25:41:46 h30
22.09 50km USA5th Virgil Crest 50 km Ultra 5:07:00 h1 🏆
02.09 12h USA3rd Labor Pain 12 Hour Endurance Trail Run 80.467 km46
02.06 50mi USA5th Endurance Challenge - Washington D.C. Trail 50 Miles 8:04:15 h13
30.03 100mi USA2nd Badger Mountain 100 Mile Challenge 26:00:21 h12
04.03 50km USA10th Caumsett Park 50K Lloyd Neck 4:04:27 h31
04.02 8h USA7th 8 Hour Adventure Trail Run 68.075 km10
2011
24.09 100mi USA4th Virgil Crest 100 Mile Ultra 30:45:00 h10
04.09 12h USA2nd Labor Pain 12 Hour Endurance Trail Run 49.889 km93
13.08 100km USA2nd Mahlon Mayhem 100 km 12:40:59 h9
04.06 50mi USA4th Endurance Challenge - Washington D.C. Trail 50 Miles 9:05:59 h43
07.05 50km USA9th Long Island Greenbelt Trail 50 km 5:42:56 h14