Michael Busick
ID 257988
Born : 1972 Cat. M50 Ultrarunner since 2004 USA
49
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
40,1%
Rank quotient ?This runner's calculation uses 50 eligible race(s): Σ(rank − 1) = 1 614; Σ finishers = 4 027. 1 614 / 4 027 × 100 = 40.08%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed50
Km — ultra races3 541 km
> 100 km4
> 160 km3
> 200 km1
> 24h5
> 48h1
Longest race325,1 km
1st Southern States 200 — 12/4/2024

Km per year (ultra races)

431
6 races
2022
2023
382
2 races
2024
50
1 race
2025
50
1 race
2026

Race types (share of distance)

Road8,1%
Trail87,3%
Elim.4,6%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M2
🏅 Top 32
🏅 Top 3 M6
Longest winning streak0
Current streak0

Records

50 km5h43'10100 km15h31'3650 mi9h26'406 h51,50 km12 h87,31 km24 h112,77 km48 h161,45 kmBackyard9 loops

HISTORY

50 race(s)
DateRacePerf.Rk
2026
18.07 50km USA8th Carolina Reaper Challenge 5:48:04 h51
2025
07.06 50km USA2nd Ridge to Rails 50k 7:25:00 h68
2024
28.09 8h USA6th Lady of the Lake 8 Hour Race 56.648 km15
12.04 202Miles USA1st Southern States 200 3d 16:02:08 h20
2022
05.11 50km USA3rd Dark Horse 50 km Ultra Run 6:30:54 h8
22.10 30h USA4th Sadlers Creek Stumble 30 Hour Run 63.247 km45
10.09 12h USA3rd Back 9 (Swan Lake) 12 Hour Ultra Run 56.327 km11
23.07 50km USA2nd Stunner 50km Night Run 6:51:36 h25
11.06 14h USA3rd Longest Day Race 49.889 km56
08.04 48h USA2nd The Country Mile 48 Hour Race 161.449 km41
2021
30.10 50km USA2nd Dark Horse 50 km Ultra Run 6:30:54 h8
17.07 12h USA9th Cacapon 12 Hour Challenge 64.373 km13
10.07 12h USA1st Camp Anderson 12 Hour Endurance Shindig 57.936 km15
19.06 10h USA2nd Longest Day Race 51.499 km7
24.04 50mi USA8th Knock on Wood Ultra - Unbreakable 50 Miles 14:50:51 h13
10.04 50km USA1st Rattling Creek 50km Run 6:53:03 h36
27.03 40mi USA7th Naked Bavarian 40 Miler 8:03:53 h25
13.03 11h USA2nd March Maniac 11 Hour Endurance Run 65.500 km12
07.03 50km USA10th Mid-Maryland Ultra 50k 5:50:55 h21
13.02 50km USA2nd Prisoner of War 50 km Ultra Race 8:45:58 h11
02.01 12h USA4th Resolution Run 83.074 km15
2020
31.10 30h USA1st Dark Horse 30 Hour Ultra Run 165.762 km4
13.09 50km USA2nd Macedonia Trail 50km Race 8:49:29 h11
30.08 50km USA16th Greenland Trail Race 6:23:03 h30
28.08 12h USA4th Night Crawler 12 Hour Endurance Challenge 51.499 km13
15.08 30h USA1st Sandhills Trail & Ultra Festival 30 Hour Run 99.779 km13
08.08 8h USA1st Miles for Maria Crazy 8's 8 Hour Run 64.373 km2 🥈
12.07 50km USA2nd Whiterock 50 km Ultra Race 6:03:07 h15
20.06 50km USA2nd Mount Shasta Gateway 50 km Trail Race 6:44:00 h26
25.01 50mi USA3rd Arches Ultra 50 Mile Race 10:01:06 h42
2019
28.12 12h USA3rd Resolution Run 87.306 km5
07.12 6h USA6th Miles for Maria 6 Hour Run 51.499 km2 🥈
22.11 50mi USA7th Blood Rock 50 Mile Endurance Race 16:59:08 h16
06.10 50km USA11th FATS 50K Trail Race 7:02:13 h22
28.09 50mi USA10th The Bear Chase 50 Mile 10:56:55 h26
21.07 50km USA11th Rosaryville 50 km Trail Run 6:55:30 h23
20.04 50km USA8th Hyner View Trail Challenge 50 km 8:16:37 h209
2018
08.12 50km USA5th Bell Ringer 50k Trail Run 6:44:19 h15
17.11 50km USA8th Little Gunpowder 50K 6:42:50 h27
16.09 8h USA5th Rick O'Donnell 8-hour Ultra Challenge 50.404 km10
18.08 Backyard Ultra USA3rd Backyard Classic 8 Hour Endurance Run 60.994 km10
28.07 50km USA7th Catherine's 50k Run 8:18:00 h49
11.05 24h USA5th Montour 24 Endurance Runs - 24hrs run 112.766 km12
24.03 50km USA5th HARRC's Tuscarora 50K Trails Ultra 7:27:00 h21
2017
30.12 40mi USA5th Boyer's Furnace 40 Mile Race 11:08:00 h29
02.12 100km USA2nd Devil Dog Ultra 100 km Race 15:31:36 h27
18.11 50km USA7th Little Gunpowder 50K 5:43:10 h14
2013
01.06 50mi USA6th Endurance Challenge - Washington D.C. Trail 50 Miles 11:16:33 h127
2012
02.06 50km USA5th Endurance Challenge - Washington D.C. Trail 50 km 6:20:58 h133
2004
20.11 50mi USA42nd JFK 50 Mile 9:26:40 h215