Isaac Espy
ID 64757
Born : 1962 Cat. M60 Ultrarunner since 2002 USA
52
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
72
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
47,1%
Rank quotient ?This runner's calculation uses 78 eligible race(s): Σ(rank − 1) = 3 168; Σ finishers = 6 731. 3 168 / 6 731 × 100 = 47.07%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed78
Km — ultra races7 309 km
> 100 km24
> 160 km24
Longest race160,9 km
10th The Zion 100 Mile Run — 10/4/2021

Km per year (ultra races)

2022
80
1 race
2023
50
1 race
2024
2025
2026

Race types (share of distance)

Road1,8%
Trail98,2%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M0
🏅 Top 31
🏅 Top 3 M2
Longest winning streak0
Current streak0

Records

50 km5h24'3750 mi8h50'45100 mi22h35'5212 h81,77 km

HISTORY

78 race(s)
DateRacePerf.Rk
2024
27.04 50km USA12th Rockin Choccolocco 50K 8:31:43 h73
2023
09.09 50mi USA7th Rebecca Mountain 50 Mile Race 13:03:28 h40
2021
12.06 50km USA9th Rockin Choccolocco 50K 7:59:14 h19
10.04 100mi USA10th The Zion 100 Mile Run 32:10:08 h84
20.03 50mi USA9th Lake Martin 50 Mile Endurance Trial Race 10:57:02 h28
06.03 50mi USA40th Carl Touchstone Memorial Mississippi Trail 50 Mile 9:46:46 h21
27.02 50km USA15th Mount Cheaha 50K UltraMarathon Race 7:45:30 h97
2020
12.09 50mi USA4th Rebecca Mountain 50 Mile Race 12:00:20 h19
07.03 50mi USA39th Carl Touchstone Memorial Mississippi Trail 50 Mile 9:07:41 h12
29.02 50km USA14th Mount Cheaha 50K UltraMarathon Race 6:47:39 h56
01.02 100mi USA28th Rocky Raccoon 100 Mile Trail Run 22:35:52 h52
25.01 50km USA26th Mountain Mist 50k 6:46:35 h120
04.01 50km USA3rd The Great Scorpion Trail Run 5:56:46 h13
2019
02.11 100mi USA12th Pinhoti 100 Mile 28:22:53 h70
05.10 100mi USA29th Arkansas Traveller 100 25:38:14 h45
07.09 50mi USA3rd Rebecca Mountain 50 Mile Race 11:12:58 h7
20.07 50km USA28th Full Moon Run - Midnight 50K 5:24:37 h14
14.06 100mi USA27th Bighorn Mountain Wild & Scenic 100 Mile Trail Run 33:36:25 h140
01.06 50km USA7th Rockin Choccolocco 50K 5:41:24 h6
13.04 33mi USA20th Oak Mountain 50km Race 6:35:46 h22
23.03 100mi USA7th Lake Martin 100 Mile Ultra Trail Race 27:32:52 h11
02.03 50mi USA38th Carl Touchstone Memorial Mississippi Trail 50 Mile 9:23:40 h12
23.02 50km USA13th Mount Cheaha 50K UltraMarathon Race 7:46:55 h90
16.02 50km USA13th Black Warrior 50K 5:52:28 h8
2018
16.09 32mi USA10th Autumn Equinox 32 Miles Ultra 7:30:55 h12
08.09 50mi USA2nd Rebecca Mountain 50 Mile Race 13:08:21 h39
21.07 50km USA27th Full Moon Run - Midnight 50K 7:11:18 h77
03.03 50mi USA37th Carl Touchstone Memorial Mississippi Trail 50 Mile 10:25:38 h15
24.02 50km USA12th Mount Cheaha 50K UltraMarathon Race 8:14:01 h135
2017
09.09 50mi USA1st Rebecca Mountain 50 Mile Race 13:19:57 h63
27.05 50km USA5th Rockin Choccolocco 50K 6:52:50 h30
29.04 50km USA11th SweetH2O 50 km 8:21:57 h24
20.04 50km USA6th Double Top 50 km 8:59:00 h9
25.03 33mi USA18th Oak Mountain 50km Race 7:16:33 h29
18.03 50mi USA5th Lake Martin 50 Mile Ultra Trail Race 12:02:40 h37
04.03 50mi USA36th Carl Touchstone Memorial Mississippi Trail 50 Mile 9:28:40 h11
25.02 50km USA11th Mount Cheaha 50K UltraMarathon Race 7:43:50 h144
28.01 50km USA23rd Mountain Mist 50k 6:38:31 h156
2016
01.10 100mi USA26th Arkansas Traveller 100 27:38:09 h59
07.05 50km USA6th Run for Kids 50 km Challenge 6:05:27 h18
19.03 100mi USA4th Lake Martin 100 Mile Ultra Trail Race 28:32:09 h8
05.03 50mi USA35th Carl Touchstone Memorial Mississippi Trail 50 Mile 9:34:51 h13
16.01 50km USA7th Tashka 50K 6:06:02 h9
2015
03.10 100mi USA25th Arkansas Traveller 100 26:22:07 h62
21.03 100mi USA3rd Lake Martin 100 Mile Ultra Trail Race 28:32:27 h12
07.03 50mi USA34th Carl Touchstone Memorial Mississippi Trail 50 Mile 8:50:45 h11
17.01 50km USA6th Tashka 50K 5:37:18 h8
2014
04.10 100mi USA24th Arkansas Traveller 100 27:25:48 h69
24.08 50mi USA1st Coldwater Mountain 50 Mile 13:13:34 h10
29.03 100mi USA2nd Lake Martin 100 Mile Ultra Trail Race 26:26:44 h3 🥉
01.03 50mi USA33th Carl Touchstone Memorial Mississippi Trail 50 Mile 9:11:11 h12
18.01 50km USA5th Tashka 50K 5:28:09 h8
2013
05.10 100mi trail race USA23rd Arkansas Traveller 100 28:28:03 h52
27.07 100mi USA7th Burning River 100 Mile Endurance Run 29:24:26 h143
02.03 50mi USA32th Carl Touchstone Memorial Mississippi Trail 50 Mile 10:42:45 h38
2012
08.12 50km USA4th Tashka 50K 6:22:21 h29
06.10 100mi USA22nd Arkansas Traveller 100 26:41:46 h30
16.06 100mi USA23th Mohican Trail 100 Mile 29:35:31 h69
05.05 12h USA2nd Run for Kids 12 Hour Challenge 81.774 km7
2011
10.12 50km USA3rd Tashka 50K 5:42:47 h10
01.10 100mi USA21st Arkansas Traveller 100 25:10:55 h26
18.06 100mi USA22th Mohican Trail 100 Mile 30:11:44 h43
19.03 33mi USA12th Oak Mountain 50km Race 7:31:35 h49
05.03 50mi USA30th Carl Touchstone Memorial Mississippi Trail 50 Mile 9:37:50 h16
2010
02.10 100mi USA20th Arkansas Traveller 100 27:22:41 h40
2008
08.11 100mi USA1st Pinhoti 100 Mile 27:59:00 h43
2007
06.10 100mi USA17th Arkansas Traveller 100 27:48:06 h42
10.03 50mi USA26th Carl Touchstone Memorial Mississippi Trail 50 Mile 9:52:46 h20
03.02 100mi USA15th Rocky Raccoon 100 Mile Trail Run 23:38:20 h55
2006
07.10 100mi USA16th Arkansas Traveller 100 27:11:15 h46
2005
12.03 50mi USA25th Carl Touchstone Memorial Mississippi Trail 50 Mile 10:12:08 h22
29.01 50km USA11th Mountain Mist 50k 6:38:44 h122
2004
20.11 50km USA1st Dizzy Fifties - 50 km Trail Run 5:52:50 h36
03.04 100mi USA10th Umstead Endurance Run 100 Miles 23:42:50 h45
06.03 50mi USA24th Carl Touchstone Memorial Mississippi Trail 50 Mile 10:33:33 h22
2003
15.03 33mi USA4th Oak Mountain 50km Race 6:48:20 h44
01.03 50mi USA23th Carl Touchstone Memorial Mississippi Trail 50 Mile 10:47:55 h23
2002
07.12 50mi USA10th Kentucky Arches 50 Mile 11:14:00 h32