Robert Davis
Born : 1950 Cat. M75 Ultrarunner since 1980 USA
32
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
41
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
59,2%
Rank quotient ?This runner's calculation uses 33 eligible race(s): Σ(rank − 1) = 4 530; Σ finishers = 7 650. 4 530 / 7 650 × 100 = 59.22%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed33
Km — ultra races2 452 km
> 100 km3
> 160 km3
Longest race160,9 km

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road2,0%
Trail98,0%

HISTORY

33 race(s)
DateRacePerf.Rk
1999
05.06 50km USA10th Shadow of the Giants 50K 6:29:10 h45
08.05 50km USA16th Quicksilver 50 km Endurance Run 6:23:37 h64
13.03 50km USA10th Way Too Cool 50K Endurance Run 6:24:33 h326
1998
14.03 50km USA9th Way Too Cool 50K Endurance Run 5:52:38 h170
1997
06.09 50km USA3rd Point Reyes 50K 6:47:44 h122
19.07 100mi USA9th Vermont 100 Mile Endurance Race 24:30:35 h103
17.05 50mi USA4th Bishop High Sierra Ultramarathons 50 Miles 10:46:41 h31
03.05 100km USA2nd Miwok 100k Trail race 15:46:30 h94
19.04 50mi USA6th Leona Divide 50 Mile Run 10:03:42 h77
05.04 50mi USA18th American River 50 Mile Endurance Run 9:31:00 h254
15.03 50km USA8th Way Too Cool 50K Endurance Run 5:20:39 h132
11.01 50mi USA17th Avalon Benefit 50-Mile Run 9:31:59 h90
1996
26.10 52.4mi USA10th Sierra Nevada Endurance 52 Mile Run 11:05:24 h54
05.10 50km USA3rd Cuyamaca-Laguna 50k Trail Race 6:35:42 h38
01.06 50km USA7th Shadow of the Giants 50K 6:09:59 h58
05.05 100km USA1st Miwok 100k Trail race 14:21:10 h46
06.04 50mi USA17th American River 50 Mile Endurance Run 10:20:38 h283
09.03 50km USA7th Way Too Cool 50K Endurance Run 5:54:38 h181
1995
22.07 100mi USA7th Vermont 100 Mile Endurance Race 27:17:17 h117
24.06 100mi USA22nd Western States 100 Mile Endurance Run 28:45:23 h119
13.05 50km USA12th Quicksilver 50 km Endurance Run 6:25:11 h48
01.04 50mi USA16th American River 50 Mile Endurance Run 9:38:57 h270
1994
02.04 50mi USA15th American River 50 Mile Endurance Run 9:37:53 h266
12.03 50km USA5th Way Too Cool 50K Endurance Run 6:01:38 h199
1993
18.09 50mi USA1st PCT 50 Mile Trail Run 7:10:18 h38
18.09 50km USAPacific Crest Trail 50 km 7:10:18 h38
03.04 50mi USA14th American River 50 Mile Endurance Run 10:19:05 h327
13.03 50km USA4th Way Too Cool 50K Endurance Run 6:19:40 h219
1990
07.04 50mi USA11th American River 50 Mile Endurance Run 10:30:55 h275
1984
05.08 50km USA3rd Skyline 50k Endurance Run 5:56:38 h174
1982
01.08 50km USA1st Skyline 50k Endurance Run 5:33:55 h178
1981
29.11 50km USAUltra Challenge 50 km 5:07:02 h24
1980
13.04 50mi USA1st American River 50 Mile Endurance Run 10:02:53 h103