Roberto Sanchez
ID 265494
Born : 1939 Cat. M85 Ultrarunner since 1981 USA
20
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
32
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
66,2%
Rank quotient ?This runner's calculation uses 20 eligible race(s): Σ(rank − 1) = 2 782; Σ finishers = 4 204. 2 782 / 4 204 × 100 = 66.18%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed20
Km — ultra races1 385 km
> 100 km1
> 160 km1
Longest race160,9 km
12th Western States 100 Mile Endurance Run — 6/7/1985

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road41,3%
Trail58,7%

Records

50 km4h47'4650 mi7h49'05100 mi29h38'01

HISTORY

20 race(s)
DateRacePerf.Rk
1999
13.03 50km USA10th Way Too Cool 50K Endurance Run 7:14:15 h433
1998
04.04 50mi USA19th American River 50 Mile Endurance Run 10:49:49 h382
1997
05.04 50mi USA18th American River 50 Mile Endurance Run 11:48:21 h466
18.01 50km USA19th Jed Smith Ultra Classic - 50 km Race 5:24:14 h87
1995
05.02 50km USA17th Jed Smith Ultra Classic - 50 km Race 5:02:13 h47
1994
05.02 50km USA16th Jed Smith Ultra Classic - 50 km Race 5:06:55 h49
1993
06.02 50km USA15th Jed Smith Ultra Classic - 50 km Race 4:47:46 h51
1990
07.04 50mi USA11th American River 50 Mile Endurance Run 10:32:24 h276
11.02 50mi USA12th Jed Smith Ultra Classic - 50 Mile Race 8:00:59 h52
1988
10.04 50mi USA9th American River 50 Mile Endurance Run 10:16:09 h141
1986
03.08 50km USA5th Skyline 50k Endurance Run 5:45:16 h56
08.02 50mi USA8th Jed Smith Ultra Classic - 50 Mile Race 7:49:32 h29
1985
06.07 100mi USA12th Western States 100 Mile Endurance Run 29:38:01 h152
09.02 50mi USA7th Jed Smith Ultra Classic - 50 Mile Race 7:49:05 h44
1984
05.08 50km USA3rd Skyline 50k Endurance Run 5:22:17 h116
11.02 50mi USA6th Jed Smith Ultra Classic - 50 Mile Race 7:53:44 h33
1983
07.08 50km USA2nd Skyline 50k Endurance Run 5:36:24 h62
1982
01.08 50km USA1st Skyline 50k Endurance Run 5:06:42 h131
18.04 50mi USA3rd American River 50 Mile Endurance Run 9:35:33 h148
1981
29.11 50km USAUltra Challenge 50 km 5:39:50 h47