Michael Hartmann
ID 21677
Born : 1958 Cat. M65 Ultrarunner since 1994 USA
32
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
43
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
86,9%
Rank quotient ?This runner's calculation uses 32 eligible race(s): Σ(rank − 1) = 1 633; Σ finishers = 1 879. 1 633 / 1 879 × 100 = 86.91%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed32
Km — ultra races2 294 km
> 100 km6
> 160 km2
> 200 km1
> 24h11
> 48h2
Longest race219,2 km
16th Across the Years, 72h — 29/12/1998

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road69,0%
Trail31,0%

Records

50 km6h46'1850 mi13h16'1512 h51,82 km24 h101,61 km48 h177,99 km

HISTORY

32 race(s) · 3 split(s) nested
DateRacePerf.Rk
2018
02.09 12h USA14th Flatlanders 12 Hour Run 46.670 km25
2017
06.05 24h USA36th Cornbelt Running Club 24 Hour Run 65.854 km24
2016
04.09 12h USA12th Flatlanders 12 Hour Run 50.774 km37
2015
02.05 24h USA34th Cornbelt Running Club 24 Hour Run 100.390 km13
2013
04.05 24h USA32nd Cornbelt Running Club 24 Hour Run 80.483 km33
2009
31.08 12h USA5th Flatlanders 12 Hour Run 50.694 km31
02.05 24h USA28th Cornbelt Running Club 24 Hour Run 73.563 km36
2008
30.08 12h USA4th Flatlanders 12 Hour Run 47.315 km29
2007
01.09 12h USA3rd Flatlanders 12 Hour Run 51.821 km36
2005
03.09 12h USA1st Flatlanders 12 Hour Run 51.820 km25
30.04 24h USA24th Cornbelt Running Club 24 Hour Run 65.033 km50
2003
19.04 50km USA5th Double Chubb 50k 8:23:14 h34
2002
10.11 50km USA9th Quivering Quads 50K Trail Race 9:08:03 h85
10.08 8h USA12th Howl at the Moon 8h Run 48.907 km95
29.06 24h USA13th FANS 24 Hour Runs 92.295 km47
25.05 50mi USA3rd Berryman 50 Mile 14:18:50 h13
04.05 24h USA21st Cornbelt Running Club 24 Hour Run 101.211 km30
20.04 50km USA4th Double Chubb 50k 7:19:20 h50
06.04 50mi USA2nd McNaughton 50 Mile Ultra Race 13:16:15 h21
2001
10.11 50km USA8th Quivering Quads 50K Trail Race 8:53:46 h69
05.05 24h USA20th Cornbelt Running Club 24 Hour Run 101.613 km30
07.04 50km USA3rd Double Chubb 50k 8:43:52 h56
2000
06.05 24h USA19th Cornbelt Running Club 24 Hour Run 100.390 km32
08.04 50km USA2nd Double Chubb 50k 6:46:18 h42
1999
13.11 50km USA6th Quivering Quads 50K Trail Race 9:28:51 h64
14.08 8h USA9th Howl at the Moon 8h Run 56.825 km94
10.04 50km USA1st Double Chubb 50k 7:55:45 h58
1998
29.12 72h USA16th Across the Years, 72h 219.200 km7
1997
25.04 48h USA2nd KUS 48 Hour Ultramarathon 177.993 km5
1996
12.12 50km USA7th Sunmart Texas Trails 50 km 8:39:12 h425
09.11 50km USA3rd Quivering Quads 50K Trail Race 9:29:27 h38
1994
01.10 50km USA1st Quivering Quads 50K Trail Race 8:48:12 h31