Dionisio de Leon
Born : 1951 Cat. M75 Ultrarunner since 2001 USA
38
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
42
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
71,4%
Rank quotient ?This runner's calculation uses 38 eligible race(s): Σ(rank − 1) = 6 708; Σ finishers = 9 391. 6 708 / 9 391 × 100 = 71.43%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed38
Km — ultra races2 480 km
> 100 km2
> 160 km1
> 24h1
Longest race160,9 km

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Trail100,0%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M0
🏅 Top 30
🏅 Top 3 M1
Longest winning streak0
Current streak0

HISTORY

38 race(s)
DateRacePerf.Rk
2014
12.07 12h USA2nd Cacapon 12 Hour Challenge 48.280 km44
2013
09.02 50km USA2nd Mid-Maryland Ultra 50k 8:11:44 h94
2012
11.11 50km USA3rd Rosaryville Veterans Day 50K 7:27:57 h113
04.08 50km USA4th Dahlgren Heritage Rail Trail 50K 7:55:24 h78
11.02 50km USA1st Mid-Maryland Ultra 50k 8:02:50 h78
2011
10.09 12h USA6th 12 Hour Adventure Trail Run 52.303 km54
2010
10.07 50km USA1st Skyline Challenge Trail 50k Ultra-Marathon 11:00:00 h117
2009
19.09 12h USA4th 12 Hour Adventure Trail Run 52.303 km27
08.08 50km USA1st Dahlgren Heritage Rail Trail 50K 6:57:06 h45
2008
22.11 50mi USA46th JFK 50 Mile 11:49:22 h744
2007
15.09 12h USA2nd 12 Hour Adventure Trail Run 73.225 km19
04.08 50km USA12th Catoctin 50k Trail Run 8:52:24 h99
2006
18.11 50mi USA44th JFK 50 Mile 10:22:23 h484
29.04 24h USA1st 24 Hour Adventure Trail Run 128.747 km9
08.04 50mi USA14th Bull Run Run 50 Miler 12:45:14 h261
25.03 50km USA18th The HAT Run 50K 6:42:32 h265
2005
10.12 50km USA10th Magnus Gluteus Maximus - Potchari Hippu 50 km 8:55:00 h53
10.09 50km USA21th Groundhog Fall 50K 7:30:44 h76
06.08 50km USA10th Catoctin 50k Trail Run 8:24:32 h100
14.05 50km USA7th Capon Valley 50K Run 7:29:30 h125
02.04 100mi USA11th Umstead Endurance Run 100 Miles 28:32:35 h76
05.02 40mi USA13th Uwharrie Mountain Run 12:05:36 h78
2004
20.11 50mi USA42nd JFK 50 Mile 11:09:02 h561
16.10 50mi USA22th Mountain Masochist 50 Mile Trail Run 11:57:00 h212
07.08 50km USA9th Catoctin 50k Trail Run 7:55:57 h89
12.06 40mi USA2nd Highlands Sky 40M Trail Run 11:52:33 h103
17.04 50mi USA12th Bull Run Run 50 Miler 11:28:28 h187
2003
22.11 50mi USA41st JFK 50 Mile 10:28:45 h399
18.10 50mi USA21th Mountain Masochist 50 Mile Trail Run 11:31:12 h177
20.09 50km USA1st Great Eastern Endurance Run 50 km 6:43:11 h85
02.08 50km USA8th Catoctin 50k Trail Run 8:27:58 h71
12.04 50mi USA11th Bull Run Run 50 Miler 11:14:25 h168
11.02 50km USA8th Holiday Lake 50K++ 7:15:35 h136
2002
23.11 50mi USA40th JFK 50 Mile 10:41:31 h451
10.08 50km USA7th Catoctin 50k Trail Run 7:56:16 h56
23.03 50km USA14th The HAT Run 50K 6:43:21 h207
2001
17.11 50mi USA39th JFK 50 Mile 12:45:48 h718
11.08 50km USA6th Catoctin 50k Trail Run 8:51:25 h87