Michael Haviland
Born : 1941 Cat. M85 Ultrarunner since 1998 USA
80
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
80
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
71,5%
Rank quotient ?This runner's calculation uses 170 eligible race(s): Σ(rank − 1) = 10 685; Σ finishers = 14 934. 10 685 / 14 934 × 100 = 71.55%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed170
Km — ultra races13 511 km
> 100 km24
> 160 km14
> 200 km1
> 24h34
Longest race217,3 km

Km per year (ultra races)

420
7 races
2022
359
7 races
2023
249
4 races
2024
319
6 races
2025
101
2 races
2026

Race types (share of distance)

Road35,7%
Trail64,3%

Wins & podiums (ultra)

🏆 Win1
🏆 Win M1
🏅 Top 35
🏅 Top 3 M6
Longest winning streak1
Current streak0

HISTORY

170 race(s) · 1 split(s) nested
DateRacePerf.Rk
2026
06.06 50km USA11th Eagle Up Ultra 50 km 11:59:22 h133
25.04 24h USA9th Locomotion 24 Hour Run 51.499 km39
2025
06.12 34h USA2nd Small Town Christmas 34Hr 64.373 km5
25.10 50km USA13th Kansas Rails-to-Trails Fall Extravaganza 50 km 10:04:59 h55
04.10 24h USA2nd NEO24 51.293 km49
11.07 24h USA14th Merrill's Mile 24 Hour Run 51.246 km37
26.04 12h USA8th Locomotion 12 Hour Run 51.499 km12
25.02 24h USA9th FarmDaze 24 Hour Run 50.155 km34
2024
14.12 34h USA1st Small Town Christmas 34Hr 80.467 km12
14.09 24h USA1st NEO24 65.723 km58
08.06 24h USA13th Merrill's Mile 24 Hour Run 51.246 km28
04.05 12h USA7th Locomotion 12 Hour Run 51.499 km22
2023
03.09 12h USA2nd Not-A-Sprint 12 Endurance Run 53.687 km17
30.07 50km USA5th Badger Trail Races by Ten Junk Miles Racing 9:03:26 h49
01.07 24h USA12th Merrill's Mile 24 Hour Run 50.994 km34
03.06 50km USA8th Eagle Up Ultra 50 km 9:47:07 h123
15.04 50km USA2nd Chief Ladiga 100 - 50 km 9:50:07 h35
04.03 12h USA17th Delano Park 12 Hour Run 51.499 km56
12.02 33mi USA3rd Gone Loco 33 Mile Race 9:17:13 h49
2022
10.12 12h USA9th The Nutcracker 12 Hour Endurance Run 49.954 km39
10.09 50mi USA11th Pine Creek Challenge 50 Miles 15:09:46 h27
02.07 24h USA11th Merrill's Mile 24 Hour Run 50.994 km24
14.05 12h USA5th Locomotion 12 Hour Run 51.499 km29
01.04 36h USA2nd Seven Trails Ultra Festival 56.327 km112
26.03 50mi USA10th Prairie Spirit 50 Mile Trail Ultra Race 12:26:19 h32
19.03 50km USA8th The Pistol 50 km Ultra Run 7:46:26 h88
2021
13.11 50mi USA8th Tunnel Hill 50 Mile Race 15:06:45 h332
23.10 50mi USA9th Kansas Rails-to-Trails Fall Extravaganza 50 Mile 13:27:24 h44
02.10 50mi USA7th The Hennepin Hundred - 50 Mile Run 13:18:05 h53
08.05 12h USA4th Locomotion 12 Hour Run 64.373 km12
2020
14.11 50mi USA7th Tunnel Hill 50 Mile Race 13:18:22 h45
24.10 50mi USA8th Kansas Rails-to-Trails Fall Extravaganza 50 Mile 12:48:29 h33
12.09 50mi USA9th Pine Creek Challenge 50 Miles 12:48:26 h27
08.08 24h USA4th Southern Discomfort 24 Hour Race 81.802 km3 🥉
04.07 24h USA9th Merrill's Mile 24 Hour Run 81.272 km13
29.02 24h USA7th Save the Daylight 24 Hour Race 51.297 km20
2019
31.12 24h USATeam RWB New Year’s Eve Ultramarathon 24 hours 82.076 km3 🥉
07.12 50mi USA6th Brazos Bend 100 - 50 Mile 13:41:33 h140
09.11 50mi USA6th Tunnel Hill 50 Mile Race 13:11:07 h313
26.10 50mi USA7th Kansas Rails-to-Trails Fall Extravaganza 50 Mile 12:57:44 h29
21.09 24h USA13th North Coast 24 Hour Endurance Run 113.741 km28
27.07 24h USA3rd Southern Discomfort 24 Hour Race 81.980 km10
27.04 50mi USA6th Heartland 50 Mile Race 13:21:39 h32
30.03 50mi USA7th Prairie Spirit 50 Mile Trail Ultra Race 12:43:08 h45
09.02 50mi USA14th Iron Horse 50 Mile Endurance Run 12:34:00 h17
19.01 24h USA2nd Fasttrack 24 Hour Run 80.467 km23
2018
08.12 50mi USA5th Brazos Bend 100 - 50 Mile 15:09:50 h129
10.11 50mi USA5th Tunnel Hill 50 Mile Race 12:23:52 h265
27.10 50mi USA6th Kansas Rails-to-Trails Fall Extravaganza 50 Mile 12:42:59 h34
06.10 50mi USA4th The Hennepin Hundred - 50 Mile Run 12:12:09 h77
22.09 24h USA12th North Coast 24 Hour Endurance Run 111.224 km67
04.08 50mi USA9th Beast of Burden Summer 50 Miler 15:14:44 h29
07.07 24h USA7th Merrill's Mile 24 Hour Run 81.272 km18
16.06 24h USA4th Midsummer Nights Dream 24 Hour Ultra 80.467 km11
02.06 24h USA3rd Ozone Endurance Challenge 24 Hour Race 54.750 km14
07.04 51mi USA5th Brazos Bend 50 - 50 Mile 12:59:23 h79
24.03 50mi USA6th Prairie Spirit 50 Mile Trail Ultra Race 12:26:19 h33
03.03 12h USA12th Delano Park 12 Hour Run 77.248 km27
27.01 50km USA3rd Chehaw Challenge 50 km 8:16:52 h34
2017
09.12 50mi USA4th Brazos Bend 100 - 50 Mile 13:10:28 h123
11.11 50mi USA4th Tunnel Hill 50 Mile Race 12:28:31 h222
28.10 50mi USA5th Kansas Rails-to-Trails Fall Extravaganza 50 Mile 12:54:07 h23
20.10 50mi USA5th Darkside Distance Festival - Running Dead 50-Mile Run 14:40:00 h7
16.09 24h USA11th North Coast 24 Hour Endurance Run 113.581 km62
2016
12.11 50mi USA3rd Tunnel Hill 50 Mile Race 12:35:44 h252
21.10 50mi USA4th Darkside Distance Festival - Running Dead 50-Mile Run 12:52:00 h3 🥉
01.10 50mi USA2nd The Hennepin Hundred - 50 Mile Run 12:37:23 h54
03.09 50km USA2nd Wildcat 100 - 50 km Race 8:36:45 h10
03.07 24h USA5th Merrill's Mile 24 Hour Run 57.661 km16
02.04 50mi USA4th Prairie Spirit 50 Mile Trail Ultra Race 12:32:47 h27
12.03 12h USA6th A Stroll in The Park 12-Hour Endurance Run 57.936 km30
06.02 50mi USA11th Iron Horse 50 Mile Endurance Run 12:39:24 h31
2015
14.11 50mi USA2nd Tunnel Hill 50 Mile Race 12:19:20 h183
25.04 50mi USA2nd Brazos Bend 50 - 50 Mile 12:31:56 h70
28.03 50mi USA3rd Prairie Spirit 50 Mile Trail Ultra Race 12:09:49 h78
03.01 100km USA1st Wildcat 100 - 100 km Race 15:59:25 h2 🥈
2014
15.11 50mi USA1st Tunnel Hill 50 Mile Race 12:42:07 h142
20.09 24h USA8th North Coast 24 Hour Endurance Run 124.745 km49
05.07 12h USA3rd Merrill's Mile 12 Hour Run 78.085 km8
10.02 50mi USA1st Heartland 50 Mile Race 12:53:48 h27
2013
14.12 100km USA4th The Bartram Forest 100 km Race 29:55:49 h19
26.10 24h USA5th 24H The Hard Way 134.605 km44
20.04 50mi USA1st Indiana Trail 50 Mile 14:04:19 h70
07.04 42.6mi USA1st Darkside Distance Festival - Running Dead 42.6M Ultra 9:55:51 h15
2012
15.12 100km USA3rd The Bartram Forest 100 km Race 16:22:25 h20
03.11 50mi USA5th Nashville 50 Mile Ultra Marathon 12:40:32 h65
07.09 50km USA4th Run Woodstock - Freak 50 km 8:26:52 h107
06.05 24h USA4th North Coast 24 Hour Endurance Run Spring 137.711 km33
31.03 24h USA2nd Operation Endurance 24 Hour Run 49.648 km31
18.02 50mi USA7th Iron Horse 50 Mile Endurance Run 12:51:00 h37
2011
10.12 100km USA2nd The Bartram Forest 100 km Race 17:31:50 h16
13.11 50km USA10th Peachtree City 50K 7:05:58 h39
15.10 60km USA4th Nashville 60 km Ultra Marathon 8:59:55 h11
24.09 24h USA6th Hinson Lake 24 Hour Ultra Classic 66.047 km111
27.08 50mi USA7th Lean Horse Ultra-Marathon 50 Mile 13:54:56 h28
25.06 8h USA9th Darkside 8 Hour Run 50.372 km16
28.05 12h USA1st Run for Kids 12 Hour Challenge 48.602 km11
12.02 12h USA1st A Stroll in The Park 12-Hour Endurance Run 53.043 km25
2010
11.12 100km USA1st The Bartram Forest 100 km Race 29:38:00 h24
14.11 50km USA9th Peachtree City 50K 7:11:42 h41
09.10 50mi USA11th Heartland 50 Mile Race 12:24:13 h19
25.09 24h USA5th Hinson Lake 24 Hour Ultra Classic 80.724 km92
12.06 12h USA5th Hawthorn Half Day Run 69.845 km31
15.05 8h USA8th Darkside 8 Hour Run 58.338 km8
03.04 50km USA16th Croom Trail 50K I'm Not A Fool Run 7:19:44 h52
2009
08.11 50km USA8th Peachtree City 50K 6:08:48 h34
23.05 12h USA1st Nanny Goat 12 Hour Race 82.077 km7
04.04 50mi USA30th American River 50 Mile Endurance Run 11:53:18 h439
2008
11.10 50mi USA9th Heartland 50 Mile Race 13:17:45 h32
23.08 100mi USA4th Lean Horse Ultra-Marathon 100 Mile 28:24:02 h71
19.04 50mi USA16th Leona Divide 50 Mile Run 12:38:12 h142
16.02 100km USA3rd Orange Curtain 100km Ultra Race 13:37:40 h18
20.01 50km USA4th Calico Trail Run 50 km 7:55:45 h128
12.01 50mi USA28th Avalon Benefit 50-Mile Run 11:07:23 h100
2007
03.11 50mi USA12th Helen Klein Ultra Classic 50mi 11:11:37 h104
13.10 50mi USA8th Heartland 50 Mile Race 10:42:20 h10
25.08 50mi USA3rd Lean Horse Ultra-Marathon 50 Mile 12:43:00 h31
07.05 50km USA27th Wild Wild West 50k 7:59:03 h60
14.04 50mi USA28th American River 50 Mile Endurance Run 12:02:29 h423
31.03 50km USA4th Lake Hodges Trail Fest 50K 7:41:36 h145
17.02 50km USA2nd Orange Curtain 50km Ultra Race 6:46:13 h32
13.01 50mi USA27th Avalon Benefit 50-Mile Run 11:37:53 h117
2006
12.08 50km USA2nd Angeles National Forest 50k Trail Race 9:27:34 h125
03.06 100km USA11th Kettle Moraine 100 km Endurance Run 15:54:20 h38
20.05 50km USA13th Bishop High Sierra Ultramarathons 50 km 9:39:18 h42
22.04 50mi USA14th Leona Divide 50 Mile Run 11:42:43 h115
2005
04.06 50km USA16th Shadow of the Giants 50K 7:15:01 h70
21.05 50km USA12th Bishop High Sierra Ultramarathons 50 km 8:30:26 h44
02.04 50mi USA25th Avalon Benefit 50-Mile Run 11:31:37 h57
26.02 50km USA2nd Lake Hodges Trail Fest 50K 6:05:54 h35
16.01 50km USA1st Calico Trail Run 50 km 6:41:40 h50
2004
04.12 50km USA18th OTHTC High Desert 50K Ultra 6:16:28 h122
06.11 12h USA6th San Diego One Day 12-Hour Race 101.839 km1 🏆
09.10 100mi USA5th Heartland 100 Mile Race 26:23:06 h13
18.09 50mi USA10th Bohemian Alps 50 Miles 11:38:12 h5
05.09 50km USA10th Run On The Sly 50 km 6:52:08 h37
28.08 50km USA13th Bulldog 50k Ultra Run 6:51:24 h59
15.05 50km USA11th Bishop High Sierra Ultramarathons 50 km 8:20:33 h56
03.04 50km USA6th San Gabriel Mountain 50K 7:40:23 h32
2003
31.08 50km USA9th Run On The Sly 50 km 7:27:03 h67
05.04 100mi USA9th Umstead Endurance Run 100 Miles 27:58:03 h56
01.02 100mi USA11th Rocky Raccoon 100 Mile Trail Run 26:58:40 h52
2002
31.12 24h USA20th Across the Years, 24h 140.800 km12
08.12 50km USA16th OTHTC High Desert 50K Ultra 6:18:07 h141
09.11 24h USA4th San Diego One Day 24-Hour Race 138.516 km20
12.10 50km USA9th Cuyamaca-Laguna 50k Trail Race 7:59:13 h78
14.09 24h USA12th Olander Park 24 Hour Run 159.777 km39
07.09 50km USA11th Bulldog 50k Ultra Run 7:11:15 h71
23.07 135mi USA16th Badwater Ultramarathon 2d 05:07:41 h47
15.06 100mi USA13th Mohican Trail 100 Mile 28:16:54 h44
20.04 50mi USA11th Leona Divide 50 Mile Run 11:19:05 h95
06.04 50mi USA23rd American River 50 Mile Endurance Run 10:36:10 h279
2001
09.12 50km USA15th OTHTC High Desert 50K Ultra 6:12:08 h129
10.11 24h USA3rd San Diego One Day 24-Hour Race 162.833 km13
03.11 50km USA9th OPSF Ultra 50 km Race 7:11:00 h22
21.07 100mi USA13th Vermont 100 Mile Endurance Race 26:43:21 h126
16.06 100mi USA12th Mohican Trail 100 Mile 26:28:46 h27
13.01 50mi USA21st Avalon Benefit 50-Mile Run 10:59:20 h112
2000
10.12 50km USA14th OTHTC High Desert 50K Ultra 6:15:22 h124
14.10 100mi USA1st Heartland 100 Mile Race 23:18:15 h7
03.09 50km USA6th Run On The Sly 50 km 7:09:52 h66
15.07 100mi USA12th Vermont 100 Mile Endurance Race 25:46:05 h103
02.06 100mi USA5th Kettle Moraine 100 Mile Endurance Run 26:03:46 h40
20.05 50km USA7th Bishop High Sierra Ultramarathons 50 km 13:20:40 h61
05.02 100mi USA8th Rocky Raccoon 100 Mile Trail Run 24:05:45 h51
1999
12.06 50km USA2nd Best Run By A Dam Site 6:25:26 h38
15.05 50km USA6th Bishop High Sierra Ultramarathons 50 km 9:52:10 h29
10.04 50mi USA20th American River 50 Mile Endurance Run 10:59:24 h425
06.02 100mi USA7th Rocky Raccoon 100 Mile Trail Run 25:15:12 h43
1998
06.09 50mi USA4th Run On The Sly 50 Mile 10:34:56 h23