Robert Fosselman
ID 27308
Born : 1983 Cat. M40 Ultrarunner since 2006 USA
30
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
40
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
85,5%
Rank quotient ?This runner's calculation uses 31 eligible race(s): Σ(rank − 1) = 4 041; Σ finishers = 4 727. 4 041 / 4 727 × 100 = 85.49%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed31
Km — ultra races2 166 km
> 100 km1
> 160 km1
Longest race160,9 km
2nd Cool Moon 100 Mile Endurance Run — 4/8/2012

Km per year (ultra races)

2022
2023
2024
50
1 race
2025
2026

Race types (share of distance)

Road3,7%
Trail96,3%

Records

50 km7h43'00100 km15h39'5550 mi9h55'28100 mi32h10'0012 h85,54 km

HISTORY

31 race(s)
DateRacePerf.Rk
2025
15.02 50km USA13th FOURmidable 50K 9:21:40 h134
2017
08.07 12h USA8th Dirty Dozen 12h Endurance Run 65.081 km47
2014
16.08 100km USA4th Run-de-Vous 100 km Endurance Run 21:41:16 h16
12.07 12h USA5th Dirty Dozen 12h Endurance Run 53.591 km79
2012
24.11 28mi USA28th Quad Dipsea Trail Run 9:08:55 h217
27.10 100km USA10th Javelina Jundred 100 km Endurance Run 18:00:03 h122
04.08 100mi USA2nd Cool Moon 100 Mile Endurance Run 32:10:00 h5
07.07 12h USA3rd Dirty Dozen 12h Endurance Run 85.536 km19
07.04 50mi USA33rd American River 50 Mile Endurance Run 12:09:30 h594
2011
26.11 28mi USA27th Quad Dipsea Trail Run 7:44:28 h194
12.11 50mi USA1st Last Chance 50 Mile 10:16:55 h76
15.10 50mi USA2nd The Spirit of Rock 50M 11:54:42 h106
2010
27.11 28mi USA26th Quad Dipsea Trail Run 7:46:10 h175
06.11 50mi USA15th Helen Klein Ultra Classic 50 Mile 10:59:42 h64
16.10 50mi USA1st The Spirit of Rock 50M 11:49:41 h54
01.05 100km USA15th Miwok 100k Trail race 15:39:55 h249
2009
28.11 28mi USA25th Quad Dipsea Trail Run 7:42:20 h182
31.10 50mi USA14th Helen Klein Ultra Classic 50mi 10:44:34 h85
2008
29.11 28mi USA24th Quad Dipsea Trail Run 7:02:01 h169
10.05 50km USA25th Quicksilver 50 km Endurance Run 7:59:59 h86
12.04 50mi USA1st Lake Sonoma 50 Mile Race 14:08:53 h70
08.03 50km USA19th Way Too Cool 50K Endurance Run 7:43:00 h424
2007
24.11 28mi USA23rd Quad Dipsea Trail Run 7:38:23 h205
03.11 50mi USA12th Helen Klein Ultra Classic 50mi 11:21:02 h110
19.05 50km USA22nd Silver State 50 km 9:55:28 h58
19.05 50mi USA22nd Silver State 50 Miles 9:55:28 h21
12.05 50mi USA24th Quicksilver 50 Mile Endurance Run 12:33:44 h74
24.03 50km USA6th Pirates Cove Trail Run 8:17:21 h70
2006
25.11 28mi USA22nd Quad Dipsea Trail Run 7:56:27 h216
11.11 50km USA4th Stinson Beach 50 km 8:30:30 h25
04.11 50mi USA11th Helen Klein Ultra Classic 50mi 10:58:08 h126