Michael Ubaldini
ID 855236
Born : 1974 Cat. M50 Ultrarunner since 2015 USA
32
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
41,5%
Rank quotient ?This runner's calculation uses 32 eligible race(s): Σ(rank − 1) = 2 531; Σ finishers = 6 101. 2 531 / 6 101 × 100 = 41.49%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed32
Km — ultra races2 915 km
> 100 km8
> 160 km5
> 200 km1
> 24h2
Longest race201,2 km
6th Cocodona Sedona Canyons — 6/5/2026

Km per year (ultra races)

344
4 races
2022
324
3 races
2023
200
3 races
2024
100
2 races
2025
301
2 races
2026

Race types (share of distance)

Road8,3%
Trail86,2%
Stage5,5%

Records

50 km5h41'48100 km13h23'3550 mi9h53'45100 mi24h49'1712 h80,47 km24 h135,02 km

HISTORY

32 race(s)
DateRacePerf.Rk
2026
06.05 125mi USA6th Cocodona Sedona Canyons 43:08:12 h63
14.02 100km USA13th Black Canyon Trail 100 km Run 15:25:16 h441
2025
27.09 50km USA14th Flagstaff Sky Peaks 50 km Mountain Run 7:25:33 h33
22.03 50km USA33rd Crown King Scramble 50K 6:43:21 h58
2024
05.10 100km USA13th Cuyamaca 100 km Endurance Run 15:50:30 h56
04.05 50km USA4th Pine Trail Run 7:15:08 h8
24.02 50km USA5th Copper Corridor 50km Race 5:45:30 h20
2023
09.09 106mi USA12th Mogollon Monster 100 Mile 36:31:52 h55
10.06 54km USA8th Flagstaff Extreme Big Pine 54K Trail Run 6:54:40 h43
18.02 99.9km USA10th Black Canyon Trail 100 km Run 15:03:02 h383
2022
29.10 159.2km USA20th Javelina Jundred 100 Mile Endurance Run 26:15:43 h218
17.09 75km USA13th Javelina Jangover Night Run 75K 9:50:59 h7
07.05 50km USA2nd Pine Trail Run 7:35:29 h7
13.02 59.9km USA9th Black Canyon Trail 60 km Run 7:23:21 h68
2021
19.11 24h USA3rd Fat Ox 24 Hour Run 135.023 km5
06.02 50mi USA9th Elephant Mountain 50 Mile 12:36:26 h31
2020
19.12 50km USA11th Cave Creek Thriller 50K Race 7:51:58 h59
11.07 103mi USA6th Silverheels Trail Run - 100mi 34:49:00 h21
15.02 100km USA7th Black Canyon Trail 100 km Run 13:23:35 h191
2019
07.12 50mi USA10th McDowell Mountain Frenzy 50 Mile 14:24:29 h80
12.10 50km USA10th Cave Creek Thriller 50K Race 5:50:26 h12
08.06 54km USA4th Flagstaff Extreme Big Pine 54K Trail Run 5:58:19 h14
30.03 50km USA27th Crown King Scramble 50K 6:04:19 h30
16.02 100km USA6th Black Canyon Trail 100 km Run 13:46:49 h268
2018
27.10 100mi USA16th Javelina Jundred 100 Mile Endurance Run 25:10:04 h160
29.09 75km USA9th Javelina Jangover Night Run 75K 8:48:44 h7
21.04 24h USA5th 24 Hours of Palmer Lake Fun Run 106.892 km28
03.03 40mi USA4th Naked Bavarian 40 Miler 7:47:21 h28
2017
23.09 100mi USA5th Flagstaff to Grand Canyon Stagecoach Line 100mi 24:49:17 h17
13.05 50mi USA7th Dirty German Endurance Fest 50 Mile 9:53:45 h17
2016
04.09 12h USA7th Labor Pain 12 Hour Endurance Trail Run 80.467 km28
2015
04.10 50km USA10th Blues Cruise 50K Ultra Trail 5:41:48 h107