John Stacy
ID 96826
Born : 1956 Cat. M70 Ultrarunner since 2008 USA
41
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
50
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
47,2%
Rank quotient ?This runner's calculation uses 41 eligible race(s): Σ(rank − 1) = 4 674; Σ finishers = 9 893. 4 674 / 9 893 × 100 = 47.25%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed41
Km — ultra races3 465 km
> 100 km9
> 160 km7
> 24h3
Longest race160,9 km
34th Leadville Trail 100 Mile — 20/8/2016

Km per year (ultra races)

53
1 race
2022
2023
2024
2025
64
1 race
2026

Race types (share of distance)

Road1,5%
Trail98,5%

Wins & podiums (ultra)

🏆 Win1
🏆 Win M1
🏅 Top 31
🏅 Top 3 M2
Longest winning streak1
Current streak0

Records

50 km5h11'3650 mi8h44'43100 mi23h09'5412 h83,69 km24 h140,82 km

HISTORY

41 race(s)
DateRacePerf.Rk
2026
20.06 40mi USA23rd Highlands Sky 40M Trail Run 11:35:59 h150
2022
28.08 9h USA1st Moonlight on the Falls Distance Challenge 52.706 km13
2018
01.01 50km USA22nd Red Eye 50km 7:55:00 h20
2017
09.12 50km USA20th Magnus Gluteus Maximus 50 km 7:58:00 h40
08.04 50mi USA25th Bull Run Run 50 Miler 11:16:08 h171
2016
20.08 100mi USA34th Leadville Trail 100 Mile 29:32:55 h304
09.04 50mi USA24th Bull Run Run 50 Miler 11:39:57 h171
01.01 50km USA20th Red Eye 50km 8:00:00 h40
2015
07.02 8h USA10th 8 Hour Adventure Trail Run 61.316 km20
2014
13.12 50km USA17th Magnus Gluteus Maximus 50 km 6:44:00 h45
15.11 50mi USA5th Stone Mill 50 Mile Run 11:41:46 h186
19.07 100mi USA26th Vermont 100 Mile Endurance Race 27:35:51 h185
28.06 100mi USA41st Western States 100 Mile Endurance Run 28:55:17 h255
10.05 50km USA16th Capon Valley 50K Run 7:29:57 h55
05.04 50mi USA35th American River 50 Mile Endurance Run 10:53:18 h430
01.02 8h USA9th 8 Hour Adventure Trail Run 59.062 km25
2013
28.12 40mi USA1st Boyer's Furnace 40 Mile Race 10:28:00 h19
16.11 50mi USA4th Stone Mill 50 Mile Run 10:29:38 h113
20.07 100mi USA25th Vermont 100 Mile Endurance Race 27:50:02 h166
11.05 50km USA15th Capon Valley 50K Run 6:27:46 h63
13.04 50mi USA21st Bull Run Run 50 Miler 10:35:53 h149
01.01 50km USA17th Red Eye 50km 7:01:00 h12
2012
17.11 50mi USA3rd Stone Mill 50 Mile Run 10:33:21 h102
21.07 100mi USA24th Vermont 100 Mile Endurance Race 23:09:54 h98
23.06 50mi USA1st OSS/CIA 50 Mile Night Run 11:53:45 h20
19.05 50km USA14th Capon Valley 50K Run 5:47:05 h56
21.04 24h USA7th 24 Hour Adventure Trail Run 140.817 km1 🏆
01.01 50km USA16th Red Eye 50km 6:57:00 h19
2011
19.11 50mi USA49th JFK 50 Mile 9:39:42 h324
10.09 12h USA6th 12 Hour Adventure Trail Run 83.685 km11
20.08 100mi USA29th Leadville Trail 100 Mile 28:23:55 h200
07.05 24h USA6th 24 Hour Adventure Trail Run 120.700 km13
05.02 8h USA6th 8 Hour Adventure Trail Run 61.316 km16
01.01 50km USA15th Red Eye 50km 6:45:00 h13
2010
20.11 50mi USA48th JFK 50 Mile 10:18:49 h471
21.08 100mi USA28th Leadville Trail 100 Mile 28:58:51 h262
08.05 50km USA12th Capon Valley 50K Run 5:11:36 h33
01.05 24h USA5th 24 Hour Adventure Trail Run 64.373 km30
2009
21.11 50mi USA47th JFK 50 Mile 8:44:43 h160
09.05 50km USA11th Capon Valley 50K Run 8:12:56 h116
2008
22.11 50mi USA46th JFK 50 Mile 8:53:50 h138