John Cassilly
ID 44164
Born : 1966 Cat. M60 Ultrarunner since 2007 USA
47
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
9,0%
Rank quotient ?This runner's calculation uses 47 eligible race(s): Σ(rank − 1) = 568; Σ finishers = 6 284. 568 / 6 284 × 100 = 9.04%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed47
Km — ultra races3 199 km
> 100 km3
> 160 km1
Longest race160,9 km
15th Massanutten Mountain Trails 100 Mile — 16/5/2009

Km per year (ultra races)

119
2 races
2022
146
2 races
2023
2024
2025
2026

Race types (share of distance)

Road2,5%
Trail97,5%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M0
🏅 Top 36
🏅 Top 3 M8
Longest winning streak0
Current streak0

Records

50 km4h31'54100 km14h15'1350 mi7h34'14100 mi26h23'5012 h94,15 km

HISTORY

47 race(s)
DateRacePerf.Rk
2023
11.03 50mi USA9th Antelope Canyon 50 Mile Race 10:46:12 h24
04.02 8h USA18th 8 Hour Adventure Trail Run - ICY 65.822 km9
2022
10.12 50km USA4th Freight Train 50km Trail Run 4:31:54 h7
19.02 12h USA1st 12 Hours of Richmond 68.718 km5
2018
19.05 50km USA4th Quest for the Crest 50k 8:50:42 h14
07.04 50mi USA26th Bull Run Run 50 Miler 8:11:18 h8
17.03 50km USA13th Elizabeth's Furnace Fat Ass 50 km Race 6:17:00 h8
03.02 8h USA13th 8 Hour Adventure Trail Run 74.190 km4
2017
16.09 12h USA12th 12 Hour Adventure Trail Run 94.146 km2 🥈
29.04 50km USA17th Promise Land 50K++ 5:57:26 h27
2016
12.03 50km USA11th Elizabeth's Furnace Fat Ass 50 km Race 6:15:00 h8
06.02 8h USA11th 8 Hour Adventure Trail Run 66.626 km9
2015
12.09 40mi USA6th Odyssey Trail Running Rampage 40 Mile 7:02:50 h2 🥈
2013
14.12 50mi USA6th Lookout Mountain 50 Mile Race 9:21:50 h42
31.08 71.1mi USA11th The Ring 71-mile Run 19:45:00 h4
16.03 68mi USA1st Georgia Death Race 13:46:12 h3 🥉
02.02 8h USA8th 8 Hour Adventure Trail Run 79.501 km4
2012
15.12 50mi USA5th Lookout Mountain 50 Mile Race 8:24:05 h8
14.04 50mi USA20th Bull Run Run 50 Miler 7:34:14 h15
10.03 50km USA7th Elizabeth's Furnace Fat Ass 50 km Race 6:19:00 h7
2011
05.11 50mi USA29th Mountain Masochist 50 Mile Trail Run 8:52:07 h20
24.09 50km USA1st Über Rock 50K 4:55:34 h4
23.07 50km USA2nd Catherine's 50k Run 5:57:00 h9
09.04 50mi USA19th Bull Run Run 50 Miler 7:37:10 h14
19.03 50km USA23rd The HAT Run 50K 4:41:13 h14
26.02 40mi USA13th Mount Mitchell Challenge 6:13:16 h18
15.01 50km USA5th Swinging Bridge 50K 4:48:55 h4
2010
11.12 100km USA8th Hellgate 100 km 14:15:13 h23
16.10 50mi USASMUT 50 Mile Run 12:41:00 h2 🥈
24.07 50km USA1st Catherine's 50k Run 7:23:00 h9
27.02 40mi USA12th Mount Mitchell Challenge 5:56:39 h22
2009
07.11 50mi USA27th Mountain Masochist 50 Mile Trail Run 9:18:37 h40
15.08 35mi USA2nd Martha Moats Baker Memorial 35 Mile 7:56:00 h2 🥈
01.08 50km USA14th Catoctin 50k Trail Run 6:22:37 h18
16.05 100mi USA15th Massanutten Mountain Trails 100 Mile 26:23:50 h14
25.04 50km USA9th Promise Land 50K++ 5:50:10 h11
14.03 50km USA4th Elizabeth's Furnace Fat Ass 50 km Race 6:30:00 h3 🥉
2008
01.11 50mi USA26th Mountain Masochist 50 Mile Trail Run 9:24:59 h32
04.10 12h USA1st 12 hours of Momentum 80.467 km4
26.04 50km USA8th Promise Land 50K++ 5:59:48 h21
29.03 50km USA1st Terrapin Mountain 50 km Race 4:52:53 h15
16.02 50km USA13th Holiday Lake 50K++ 4:35:34 h21
2007
03.11 50mi USA25th Mountain Masochist 50 Mile Trail Run 9:19:11 h45
29.09 50km USA5th Great Eastern Endurance Run 50 km 5:20:28 h4
28.04 50km USA7th Promise Land 50K++ 5:39:35 h21
10.02 50km USA12th Holiday Lake 50K++ 4:35:54 h10
20.01 50km USA1st Swinging Bridge 50K 5:07:33 h5