Michael Krattley
ID 795540
Born : 1964 Cat. M60 Ultrarunner since 2015 USA
39
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
45
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
46,3%
Rank quotient ?This runner's calculation uses 39 eligible race(s): Σ(rank − 1) = 1 991; Σ finishers = 4 303. 1 991 / 4 303 × 100 = 46.27%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed39
Km — ultra races2 562 km
> 100 km2
> 160 km2
> 24h1
Longest race160,9 km
31st Kettle Moraine 100 Mile Endurance Run — 13/6/2026

Km per year (ultra races)

150
3 races
2022
307
5 races
2023
130
2 races
2024
280
5 races
2025
291
3 races
2026

Race types (share of distance)

Trail96,8%
Elim.3,2%

Wins & podiums (ultra)

🏆 Win1
🏆 Win M1
🏅 Top 31
🏅 Top 3 M3
Longest winning streak1
Current streak0

Records

50 km5h29'55100 km13h46'3050 mi10h21'09100 mi24h30'1012 h45,41 kmBackyard12 loops

HISTORY

39 race(s)
DateRacePerf.Rk
2026
13.06 100mi USA31st Kettle Moraine 100 Mile Endurance Run 28:42:21 h71
09.05 50mi USA45th Ice Age Trail 50 Mile Run 11:25:06 h174
18.04 50km USA15th Double Top 50 km 8:45:00 h4
2025
12.10 50km USA39th Glacial Trail 50 km Race 6:14:38 h24
26.07 50km USA10th Grand Island 50 km Race 6:11:02 h34
10.05 50mi USA44th Ice Age Trail 50 Mile Run 11:31:04 h146
12.04 50km USA35th Ouachita Trail 50 km 6:55:11 h20
22.03 50km USA33rd Crown King Scramble 50K 7:42:51 h111
2024
11.05 50mi USA43th Ice Age Trail 50 Mile Run 11:31:34 h222
14.04 50km USA13th Mountains to Sea Challenge 6:45:37 h42
2023
11.11 31.2mi USA11th tBunk Endurance Challenge 50 km Night 7:04:00 h7
14.10 Backyard Ultra USA4th Last Dot Standing Backyard 81.110 km14
02.09 12h USA18th Badgerland F/X 12 Hour Run (night) 45.407 km7
13.05 50mi USA42th Ice Age Trail 50 Mile Run 11:36:01 h237
15.04 50km USA33th Ouachita Trail 50 km 7:16:33 h25
2022
09.10 50km USA36th Glacial Trail 50 km Race 6:27:05 h32
31.07 50km USA4th Badger Trail Races by Ten Junk Miles Racing 5:39:55 h10
16.04 50km USA24th Double Chubb 50k 6:31:40 h22
2021
10.10 50km USA35th Glacial Trail 50 km Race 6:21:02 h31
17.04 50km USA23th Double Chubb 50k 6:35:44 h30
2020
14.11 50km USA1st Bucks and Does Fifty Pointer 50km Race 5:37:32 h15
11.10 50km USA34th Glacial Trail 50 km Race 5:49:18 h20
2019
13.10 50km USA33rd Glacial Trail 50 km Race 5:52:50 h29
04.08 50km USA3rd Wedel Farm 50 km 6:03:00 h12
03.08 50mi USA3rd Wedel Farm 50 Mile 10:24:12 h15
01.06 50km USA24th Kettle Moraine 50 km Endurance Run 6:26:19 h25
11.05 50mi USA38th Ice Age Trail 50 Mile Run 10:21:09 h164
20.04 50km USA21th Double Chubb 50k 6:11:13 h23
2018
20.10 100km USA10th Wild Duluth 100 km Races 17:02:16 h32
02.06 100mi USA23rd Kettle Moraine 100 Mile Endurance Run 24:30:10 h57
28.04 50km USA11th Chippewa Moraine 50km Ultra Marathon 5:56:23 h59
2017
02.12 50mi USA4th Jackson County 50-50 Ultra-marathon - 50 Mile 11:18:49 h12
12.11 43.5mi USA1st Wolf Pack Trail Run 43 Mile 8:37:20 h1 🏆
03.06 100km USA22nd Kettle Moraine 100 km Endurance Run 13:46:30 h22
13.05 50mi USA36th Ice Age Trail 50 Mile Run 10:40:56 h108
29.04 50km USA10th Chippewa Moraine 50km Ultra Marathon 5:36:09 h39
2016
09.10 50km USA30th Glacial Trail 50 km Race 5:31:06 h28
16.04 50km USA18th Double Chubb 50k 6:06:20 h24
2015
03.10 50km USA8th Endurance Challenge - Wisconsin Trail 50 km 5:29:55 h82