Robert Josephs
Born : 1955 Cat. M70 Ultrarunner since 1980 USA
50
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
52
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
64,3%
Rank quotient ?This runner's calculation uses 59 eligible race(s): Σ(rank − 1) = 8 209; Σ finishers = 12 760. 8 209 / 12 760 × 100 = 64.33%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed59
Km — ultra races4 591 km
> 100 km5
> 160 km5
Longest race160,9 km

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road5,0%
Trail95,0%

HISTORY

59 race(s)
DateRacePerf.Rk
2009
04.04 50mi USA30th American River 50 Mile Endurance Run 12:28:24 h485
14.03 36.2mi USA32nd Haleakala Run to the Sun 9:51:10 h77
07.02 50km USA8th Woodside Trail Run 50K 7:20:57 h84
2008
19.10 50km USA6th Carmel Valley 50K 9:52:20 h18
2007
20.10 12h USA2nd San Francisco One Day, 12h 72.098 km35
07.10 50km USA5th Carmel Valley 50K 9:09:59 h13
11.08 50mi USA1st Headlands Hundred 50 Mile Endurance Run 15:14:01 h95
14.04 50mi USA28th American River 50 Mile Endurance Run 12:49:26 h479
24.03 50km USA6th Pirates Cove Trail Run 7:37:34 h66
2006
04.11 50mi USA11th Helen Klein Ultra Classic 50mi 11:48:24 h143
28.10 12h USA1st San Francisco One Day, 12h 75.317 km21
30.07 50km USA4th Santa Cruz Mountains 50 km 8:31:03 h28
20.05 50km USA4th Carmel Valley 50K 10:27:50 h7
01.04 50mi USA27th American River 50 Mile Endurance Run 12:45:44 h444
2004
22.05 50km USA2nd Carmel Valley 50K 8:12:20 h21
16.05 50km USA17th Ohlone 50K Wilderness Run 8:44:10 h93
08.05 50mi USA21st Quicksilver 50 Mile Endurance Run 11:41:32 h44
03.04 50mi USA25th American River 50 Mile Endurance Run 12:10:46 h432
21.03 50km USA3rd Stevens Creek Striders 50K 8:18:16 h46
20.03 50km USA2nd Rucky Chucky Roundabout 50K 7:59:16 h99
2003
04.10 50km USA1st Carmel Valley 50K 8:08:58 h8
19.07 100mi USA15th Vermont 100 Mile Endurance Race 25:40:51 h160
10.05 50mi USA20th Quicksilver 50 Mile Endurance Run 10:03:02 h22
05.04 50mi USA24th American River 50 Mile Endurance Run 8:48:45 h121
22.03 50km USA2nd Stevens Creek Striders 50K 6:24:19 h22
08.02 50km USA2nd Woodside Trail Run 50K 6:17:18 h32
2002
12.10 50mi USA20th Dick Collins Firetrails 50 Mile 10:40:42 h66
04.08 50km USA21st Skyline 50k Endurance Run 6:15:25 h112
11.05 50mi USA19th Quicksilver 50 Mile Endurance Run 11:12:58 h27
06.04 50mi USA23rd American River 50 Mile Endurance Run 9:50:45 h191
23.03 50km USA1st Stevens Creek Striders 50K 7:41:27 h16
09.03 50km USA13th Way Too Cool 50K Endurance Run 6:26:22 h360
2001
07.04 50mi USA22nd American River 50 Mile Endurance Run 9:26:27 h146
2000
25.11 28mi USA16th Quad Dipsea Trail Run 6:55:12 h155
13.05 50mi USA17th Quicksilver 50 Mile Endurance Run 9:55:56 h13
01.04 50mi USA21st American River 50 Mile Endurance Run 9:29:22 h131
1999
05.09 50mi USA5th Run On The Sly 50 Mile 9:52:36 h15
10.04 50mi USA20th American River 50 Mile Endurance Run 10:50:13 h400
1998
27.06 100mi USA25th Western States 100 Mile Endurance Run 31:36:08 h248
04.04 50mi USA19th American River 50 Mile Endurance Run 9:25:10 h223
1997
27.09 100mi USA12th Angeles Crest 100 Mile 31:47:16 h85
05.04 50mi USA18th American River 50 Mile Endurance Run 12:09:43 h484
1996
06.04 50mi USA17th American River 50 Mile Endurance Run 9:41:03 h223
1995
14.10 50mi USA13th Dick Collins Firetrails 50 Mile 9:56:54 h34
24.06 100mi USA22nd Western States 100 Mile Endurance Run 31:31:59 h181
01.04 50mi USA16th American River 50 Mile Endurance Run 8:51:37 h153
1994
08.10 50mi USA12th Dick Collins Firetrails 50 Mile 9:53:58 h35
02.04 50mi USA15th American River 50 Mile Endurance Run 8:30:47 h131
1993
03.04 50mi USA14th American River 50 Mile Endurance Run 8:50:42 h165
1992
27.06 100mi USA19th Western States 100 Mile Endurance Run 28:37:30 h164
04.04 50mi USA13th American River 50 Mile Endurance Run 8:03:17 h86
1991
06.04 50mi USA12th American River 50 Mile Endurance Run 9:29:45 h192
09.02 50mi USA13th Jed Smith Ultra Classic - 50 Mile Race 8:40:02 h71
1989
09.04 50mi USA10th American River 50 Mile Endurance Run 10:57:33 h183
1988
10.04 50mi USA9th American River 50 Mile Endurance Run 11:20:56 h194
1987
12.04 50mi USA8th American River 50 Mile Endurance Run 9:08:31 h160
1986
13.04 50mi USA7th American River 50 Mile Endurance Run 9:24:49 h179
1981
12.04 50mi USA2nd American River 50 Mile Endurance Run 9:57:40 h214
1980
13.04 50mi USA1st American River 50 Mile Endurance Run 11:24:00 h136