David Olsho
Born : 1951 Cat. M75 Ultrarunner since 1991 USA
26
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
64,3%
Rank quotient ?This runner's calculation uses 26 eligible race(s): Σ(rank − 1) = 1 528; Σ finishers = 2 375. 1 528 / 2 375 × 100 = 64.34%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed26
Km — ultra races2 021 km
> 100 km3
> 160 km3
> 24h2
Longest race160,9 km

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road14,9%
Trail85,1%

HISTORY

26 race(s)
DateRacePerf.Rk
2008
15.03 24h USA7th Pacific Rim One Day 65.983 km29
2007
19.05 12h USA3rd Watershed Preserve 12 Hr Trail Race 84.812 km18
2006
16.09 50km USA12th Cle Elum Ridge 50k 7:49:30 h51
29.07 50km USA8th Mt. Hood 50 km Trail Run 6:13:37 h55
2004
31.07 50km USA6th Mt. Hood 50 km Trail Run 6:24:46 h46
10.07 50km USA6th Siskiyou Out Back 50 km Trail Run 6:36:18 h98
2003
18.03 50km USA17th Crown King Scramble 50K 7:07:03 h98
2002
27.04 50km USA7th McDonald Forest 50K Trail Run 7:03:26 h132
16.03 50km USA16th Crown King Scramble 50K 7:04:52 h99
16.02 50km USA2nd Hagg Lake Trail Runs 50K 7:27:30 h67
2001
02.06 100km USA6th Kettle Moraine 100 km Endurance Run 15:01:00 h28
12.05 50mi USA18th Quicksilver 50 Mile Endurance Run 11:13:24 h35
28.04 50km USA6th McDonald Forest 50K Trail Run 6:59:55 h109
07.04 50mi USA7th Umstead Endurance Run 50 Miles 11:59:34 h59
2000
23.09 50km USA6th Cle Elum Ridge 50k 8:12:30 h90
15.07 100mi USA12th Vermont 100 Mile Endurance Race 27:01:02 h118
09.04 56mi USA17th Mt. Si 50 Miles Ultra Run 8:39:40 h15
26.02 100km USA4th Catalina 100K Trail Run 14:48:04 h65
1999
25.09 50km USA5th Cle Elum Ridge 50k 7:11:07 h65
17.07 100mi USA11th Vermont 100 Mile Endurance Race 27:43:20 h77
06.05 50mi USA4th Winterhawk 50 Mile Trail Run 10:25:00 h32
01.05 100km USA4th Miwok 100k Trail race 13:35:26 h84
20.03 24h USA1st Pacific Rim One Day 160.934 km8
1998
21.03 50mi USA12th Crown King Scramble 50M 10:13:31 h17
1997
27.09 50km USA3rd Cle Elum Ridge 50k 6:53:05 h49
1991
21.04 75km USA8th Falls to Gasworks Ultra Run 6:49:04 h10