John Squires
ID 220968
Born : 1931 Cat. M95 Ultrarunner since 1981 USA
31
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
43
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
78,9%
Rank quotient ?This runner's calculation uses 31 eligible race(s): Σ(rank − 1) = 2 050; Σ finishers = 2 598. 2 050 / 2 598 × 100 = 78.91%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed31
Km — ultra races2 799 km
> 100 km5
> 160 km2
Longest race160,9 km
2nd Angeles Crest 100 Mile — 26/9/1987

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road12,8%
Trail87,2%

Records

50 km6h34'04100 km11h02'5850 mi8h37'53100 mi29h24'10

HISTORY

31 race(s)
DateRacePerf.Rk
1993
09.01 50mi USA13th Avalon Benefit 50-Mile Run 11:40:23 h74
1992
11.01 50mi USA12th Avalon Benefit 50-Mile Run 11:26:40 h110
1991
05.01 50mi USA11th Avalon Benefit 50-Mile Run 11:10:21 h101
1990
01.12 35mi USA1st Santa Barbara Nine Trails 35 Mile Endurance Run 10:28:04 h51
1987
26.09 100mi USA2nd Angeles Crest 100 Mile 32:38:44 h43
1986
29.11 28mi USA2nd Quad Dipsea Trail Run 6:44:26 h54
04.01 50mi USA6th Avalon Benefit 50-Mile Run 10:16:53 h46
1985
04.08 50km USA4th Skyline 50k Endurance Run 6:34:04 h214
06.07 100mi USA12th Western States 100 Mile Endurance Run 29:24:10 h150
27.04 100km USASteamroller Ultra 15:17:07 h31
05.01 50mi USA5th Avalon Benefit 50-Mile Run 9:47:36 h45
1984
15.12 50mi USALake Murray 50 Mile 9:38:45 h25
18.11 50mi USA1st San Juan Trail 50 Mile 10:36:17 h61
06.10 51mi USACow Mountain Trail Run 10:07:00 h72
23.06 93.5mi USA11th Western States 100 Mile Endurance Run 29:28:00 h242
13.05 50mi USACalifornia 50 Mile Endurance Run 9:57:27 h62
28.04 100km USASteamroller Ultra 15:18:42 h48
07.01 50mi USA4th Avalon Benefit 50-Mile Run 9:54:06 h23
1983
08.10 48.6mi USACow Mountain Planet Earth Run 11:09:55 h65
25.06 93.5mi USA10th Western States 100 Mile Endurance Run 28:48:00 h181
24.04 100km USASouthern Pacific 100 km 11:02:58 h8
20.02 50.8mi USASanta Monica Mountains 50 Mile 10:05:15 h14
08.01 50mi USA3rd Avalon Benefit 50-Mile Run 9:53:05 h14
1982
24.10 50mi USASPA-TAC 50 Mile 8:37:53 h17
02.10 48.6mi USACow Mountain Planet Earth Run 9:19:10 h52
29.08 50.8mi USASouth Hell 50 Mile Race 9:46:24 h16
18.04 50mi USA3rd American River 50 Mile Endurance Run 9:37:18 h155
02.01 50mi USA2nd Avalon Benefit 50-Mile Run 9:35:00 h13
1981
18.10 50mi USASPA TAC 50 Mile Championship 8:55:14 h15
18.09 72mi USA6th Lake Tahoe 72 Miler 15:46:58 h66
10.01 50mi USA1st Avalon Benefit 50-Mile Run 9:35:00 h13