Mike Bailey
Born : 1981 Cat. M45 Ultrarunner since 2004 USA
55
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
61
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
31,4%
Rank quotient ?This runner's calculation uses 105 eligible race(s): Σ(rank − 1) = 4 771; Σ finishers = 15 201. 4 771 / 15 201 × 100 = 31.39%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed105
Km — ultra races7 867 km
> 100 km19
> 160 km10
> 24h18
> 48h3
Longest race196,3 km

Km per year (ultra races)

53
1 race
2022
111
2 races
2023
346
6 races
2024
547
9 races
2025
376
7 races
2026

Race types (share of distance)

Road17,1%
Trail81,5%
Elim.1,4%

Wins & podiums (ultra)

🏆 Win5
🏆 Win M6
🏅 Top 315
🏅 Top 3 M17
Longest winning streak1
Current streak0

HISTORY

105 race(s)
DateRacePerf.Rk
2026
08.08 50km USA18th Dahlgren Heritage Rail Trail 50K 6:20:23 h50
11.07 10h USA5th Windsor Castle 10 Hour Run 54.886 km29
23.05 Backyard Ultra USA4th Furbutt’s Backyard 24 53.648 km57
25.04 24h USA23rd Virginia 24 Hour Run for Cancer 66.385 km89
11.04 50km USA4th James River Trail Runs 7:53:32 h19
14.02 50km USA15th Angela Ivory 50K Memorial Run 10:01:00 h8
10.01 8h USA5th Sandy Bottom 8-Hour Training Run 50.694 km17
2025
25.10 24h USA3rd Greensprings 24 110.505 km31
18.10 8h USA11th Piedmont 8 Hour Run 52.593 km25
13.09 50km USA2nd Sherando Park Endurance Athletic Run 50km Challenge 7:22:09 h7
06.09 11h USA5th Joe's 11 Hour Night Run At The Hamptons 61.155 km7
23.08 12h USA1st Terrible Twelve 55.200 km19
26.07 12h USA1st Murderkill Ultramarathons 51.499 km9
26.04 24h USA22nd Virginia 24 Hour Run for Cancer 66.385 km120
12.04 50km USA3rd James River Trail Runs 6:39:46 h25
25.01 50km USA14th Angela Ivory 50K Memorial Run 8:40:00 h15
2024
23.11 50mi USA62nd JFK 50 Mile 10:29:40 h588
02.11 50km USA42nd Mountain Masochist 50km Trail Run 9:08:34 h71
19.10 8h USA10th Piedmont 8 Hour Run 56.697 km7
28.09 15h USA1st 15 Hours of Fun Run 49.889 km14
20.04 24h USA21st Virginia 24 Hour Run for Cancer 56.327 km129
03.02 8h USA19th 8 Hour Adventure Trail Run - ICY 52.947 km19
2023
21.10 8h USA9th Piedmont 8 Hour Run 57.534 km13
13.05 Backyard Ultra USA2nd Just A Training Run’s Backyard Ultra 53.648 km (8h)26
2022
26.11 8h USA2nd Get Outside 8 Hour Race 53.108 km16
2021
27.11 8h USA1st Get Outside 8 Hour Race 52.046 km31
23.10 8h USA7th Piedmont 8 Hour Run 71.760 km3 🥉
24.04 24h USA18th Virginia 24 Hour Run for Cancer 66.385 km123
13.02 50km USA26th Holiday Lake 50K++ 6:54:40 h73
2020
01.02 8h USA15th 8 Hour Adventure Trail Groundhog Day Run 52.947 km2 🥈
2019
12.10 50km USA4th High Bridge Ultra 50K 4:36:33 h7
28.08 87h USA5th A Race for the Ages 196.339 km33
27.04 24h USA16th Virginia 24 Hour Run for Cancer 90.525 km77
30.03 12h USA5th Dogwood 12 Hour Run 94.388 km1 🏆
26.01 24h USA3rd Tideland 24 Hours 102.998 km12
2018
13.10 50km USA3rd High Bridge Ultra 50K 4:22:35 h7
30.08 86h USA4th A Race for the Ages 185.074 km56
2017
30.09 24h USA12th Hinson Lake 24 Hour Ultra Classic 104.024 km44
03.06 50km USA2nd Run it with Janet 50k Race 4:32:34 h3 🥉
22.04 12h USAJordan Lake 12-Hour Challenge 69.358 km14
25.03 6h USA1st Miocene Epic 6 Hour Endurance Challenge 45.866 km4
21.01 50km USA18th Salem Lakeshore Frosty Fifty 3:58:15 h5
2016
10.12 12h USA3rd The Nutcracker 12 Hour Endurance Run 123.919 km1 🏆
24.09 24h USA11th Hinson Lake 24 Hour Ultra Classic 101.591 km48
01.09 85h USA2nd A Race for the Ages 165.762 km76
30.04 24h USA13th Virginia 24 Hour Run for Cancer 114.665 km50
2015
19.09 12h USA10th 12 Hour Adventure Trail Run 73.225 km12
08.02 100km USA1st Virginia Beach Distance Races 100k 8:53:50 h1 🏆
2014
13.12 100km USA12th Hellgate 100 km 13:35:43 h20
12.04 50mi USA22nd Bull Run Run 50 Miler 8:27:14 h24
07.02 50mi USA1st Maysville to Macon 50 Mile Run 8:21:41 h2 🥈
11.01 50km USA2nd Willis River 50K Trail Run 5:18:26 h3 🥉
2013
26.10 45mi USA5th Ghost Train Rail Trail Race 45 Mile 11:13:00 h20
15.06 100mi USA24th Mohican Trail 100 Mile 28:55:11 h52
18.05 100mi USA19th Massanutten Mountain Trails 100 Mile 31:38:13 h87
27.04 50km USA13th Promise Land 50K++ 6:19:12 h63
09.02 50km USA18th Holiday Lake 50K++ 5:47:59 h158
02.02 8h USA8th 8 Hour Adventure Trail Run 76.443 km6
2012
22.09 12h USA7th 12 Hour Adventure Trail Run 62.764 km29
01.09 50mi USA7th Iron Mountain 50 Mile Trail Run 9:29:51 h11
21.07 12h USA6th 12 Hours of Big Bear Trail Run 104.607 km1 🏆
02.06 100mi USA34th Old Dominion 100 Mile Endurance Run 20:35:41 h5
19.05 50km USA14th Capon Valley 50K Run 4:52:50 h13
28.04 50km USA12th Promise Land 50K++ 8:05:47 h241
10.03 100mi USA1st Graveyard 100 Mile Ultramarathon 20:28:16 h4
04.02 8h USA7th 8 Hour Adventure Trail Run 78.696 km2 🥈
14.01 50km USA6th Swinging Bridge 50K 4:55:00 h6
2011
19.11 24h USA1st Crooked Road 24 Hour Ultra 100.950 km18
25.06 100mi USA38th Western States 100 Mile Endurance Run 25:26:15 h139
04.06 50mi USA4th Endurance Challenge - Washington D.C. Trail 50 Miles 8:43:13 h34
12.03 50km USA6th Elizabeth's Furnace Fat Ass 50 km Race 8:04:00 h25
2010
20.11 50mi USA48th JFK 50 Mile 7:35:46 h63
07.11 50km USA3rd Potomac Heritage Trail 5:52:00 h14
25.09 50km USA8th Great Eastern Endurance Run 50 km 4:55:56 h3 🥉
10.07 50km USA1st Skyline Challenge Trail 50k Ultra-Marathon 5:16:00 h3 🥉
05.06 100mi USA32nd Old Dominion 100 Mile Endurance Run 21:52:01 h9
08.05 50km USA12th Capon Valley 50K Run 4:48:24 h18
24.04 50km USA10th Promise Land 50K++ 5:51:13 h23
27.03 50km USA3rd Terrapin Mountain 50 km Race 5:23:05 h22
13.03 50km USA5th Elizabeth's Furnace Fat Ass 50 km Race 7:58:00 h16
06.03 50km USA6th Seneca Creek Greenway Trail 50k 5:46:45 h46
2009
21.11 50mi USA47th JFK 50 Mile 8:32:17 h132
07.11 50mi USA27th Mountain Masochist 50 Mile Trail Run 9:56:02 h67
15.08 35mi USA2nd Martha Moats Baker Memorial 35 Mile 8:29:00 h3 🥉
02.05 24h USA4th 24 Hour Adventure Trail Run 64.373 km33
25.04 50km USA9th Promise Land 50K++ 6:39:34 h46
04.04 50mi USA30th American River 50 Mile Endurance Run 8:40:04 h104
28.03 50km USA5th Bel Monte 50 km Endurance Run 5:28:44 h9
07.03 50km USA5th Seneca Creek Greenway Trail 50k 5:18:10 h14
07.02 8h USA4th 8 Hour Adventure Trail Run 80.950 km1 🏆
17.01 50km USA3rd Swinging Bridge 50K 5:38:56 h3 🥉
2008
01.11 50mi USA26th Mountain Masochist 50 Mile Trail Run 9:31:36 h37
06.09 71.1mi USA6th The Ring 71-mile Run 21:45:26 h6
12.04 24h USA5th Virginia 24 Hour Run for Cancer 84.490 km14
22.03 50km USA4th Bel Monte 50 km Endurance Run 5:43:18 h13
16.02 50km USA13th Holiday Lake 50K++ 5:13:16 h62
2007
17.06 40mi USA5th Highlands Sky 40M Trail Run 11:02:29 h105
31.03 100mi USA13th Umstead Endurance Run 100 Miles 22:47:48 h28
2006
23.09 50km USA4th Great Eastern Endurance Run 50 km 6:29:18 h18
29.04 50km USA6th Promise Land 50K++ 7:39:06 h109
25.03 50km USA2nd Bel Monte 50 km Endurance Run 6:43:59 h32
2005
19.11 50mi USA43rd JFK 50 Mile 9:31:56 h247
17.09 50km USA3rd Great Eastern Endurance Run 50 km 6:45:19 h21
26.03 50km USA1st Bel Monte 50 km Endurance Run 7:16:21 h53
2004
20.11 50mi USA42nd JFK 50 Mile 10:39:03 h446