Errol Jones
Born : 1949 Cat. M75 Ultrarunner since 1982 USA
63
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
80
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
30,6%
Rank quotient ?This runner's calculation uses 167 eligible race(s): Σ(rank − 1) = 6 854; Σ finishers = 22 404. 6 854 / 22 404 × 100 = 30.59%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed167
Km — ultra races12 330 km
> 100 km23
> 160 km23
> 200 km3
> 24h1
Longest race217,3 km

Km per year (ultra races)

100
2 races
2022
50
1 race
2023
146
3 races
2024
146
3 races
2025
2026

Race types (share of distance)

Road16,0%
Trail84,0%

Wins & podiums (ultra)

🏆 Win2
🏆 Win M3
🏅 Top 36
🏅 Top 3 M6
Longest winning streak1
Current streak0

HISTORY

167 race(s)
DateRacePerf.Rk
2025
07.12 50km USA17th Hunter S. Thompson Fear & Loathing 50 km 8:00:00 h83
29.11 28.4mi USA40th Quad Dipsea Trail Run 8:30:55 h245
16.08 31.5mi USA24th Tamalpa Headlands 50K 7:54:12 h221
2024
08.12 50km USA16th Hunter S. Thompson Fear & Loathing 50 km 6:52:00 h31
30.11 28mi USA39th Quad Dipsea Trail Run 8:18:11 h242
17.08 31.5mi USA23rd Tamalpa Headlands 50K 7:41:23 h160
2023
09.12 50km USA15th Hunter S. Thompson Fear & Loathing 50 km 6:49:00 h44
2022
04.12 50km USA14th Hunter S. Thompson Fear & Loathing 50 km 6:47:00 h17
08.10 50km USA36th Ruth Anderson Ultra 50km 6:41:35 h42
2021
05.12 50km USA13th Hunter S. Thompson Fear & Loathing 50 km 6:43:00 h21
2020
06.12 50km USA12th Hunter S. Thompson Fear & Loathing 50 km 6:16:00 h14
2019
08.12 50mi USA11th Hunter S. Thompson Fear & Loathing 50 Miles 10:50:00 h8
12.10 50km USA33th Ruth Anderson Ultra 50km 6:45:59 h23
2018
08.12 50km USA10th Hunter S. Thompson Fear & Loathing 50 km 7:40:00 h31
05.08 50km USA37th Skyline 50k Endurance Run 7:02:21 h112
2017
09.12 50km USA9th Hunter S. Thompson Fear & Loathing 50 km 6:33:00 h17
26.08 31.5mi USA18th Tamalpa Headlands 50K 7:30:06 h82
06.08 50km USA36th Skyline 50k Endurance Run 6:08:56 h70
21.05 50km USA30th Ohlone 50K Wilderness Run 8:05:44 h61
22.04 50km USA2nd Mendocino Coast 50K Ultra Trail Run 6:35:15 h49
2016
04.12 50km USA8th Hunter S. Thompson Fear & Loathing 50 km 6:11:00 h10
27.08 31.5mi USA17th Tamalpa Headlands 50K 6:51:20 h128
17.04 50km USA8th Diablo Trails Challenge 7:54:29 h74
2015
06.12 50km USA7th Hunter S. Thompson Fear & Loathing 50 km 6:23:00 h11
29.08 31.5mi USA16th Tamalpa Headlands 50K 6:50:58 h137
19.04 50km USA7th Diablo Trails Challenge 6:47:45 h39
2014
07.12 50km USA6th Hunter S. Thompson Fear & Loathing 50 km 6:10:00 h5
10.05 50km USA31st Quicksilver 50 km Endurance Run 6:05:48 h48
19.04 50km USA6th Diablo Trails Challenge 6:30:13 h49
15.03 50mi USA1st Monument Valley 50 Mile Race 12:58:46 h13
2013
08.12 50km USA5th Hunter S. Thompson Fear & Loathing 50 km 6:41:00 h15
20.04 50km USA5th Diablo Trails Challenge 7:11:28 h68
2012
09.12 50km USA4th Hunter S. Thompson Fear & Loathing 50 km 7:44:00 h15
28.09 100mi USA14th The Bear 100 Mile Endurance Run 35:57:36 h167
21.03 50km USA4th Diablo Trails Challenge 7:22:32 h41
2011
31.12 24h USA2nd New Years One Day 24 Hour Run 99.035 km24
19.03 50km USA3rd Diablo Trails Challenge 6:46:03 h18
2010
24.09 100mi USA12th The Bear 100 Mile Endurance Run 34:41:47 h107
17.04 50km USA18th Leona Divide 50 km Run 6:50:37 h7
27.03 50mi USA3rd Lake Sonoma 50 Mile Race 11:22:51 h94
13.03 42Miles USA1st Uncool 42 Miles 10:08:00 h1 🏆
2009
28.03 50mi USA2nd Lake Sonoma 50 Mile Race 13:50:51 h111
2008
08.11 100mi USA2nd Mother Road 100 Mile 28:15:31 h77
2007
24.11 28mi USA23rd Quad Dipsea Trail Run 6:58:13 h172
16.06 33mi USA11th Holcomb Valley 33 Mile 7:06:18 h49
17.02 100mi USA2nd Iron Horse 100 Mile Endurance Run 23:56:37 h2 🥈
2006
25.11 28mi USA22nd Quad Dipsea Trail Run 5:58:47 h93
22.09 100mi USA8th The Bear 100 Mile Endurance Run 32:59:20 h31
17.06 33mi USA10th Holcomb Valley 33 Mile 6:13:40 h18
22.04 50mi USA14th Leona Divide 50 Mile Run 10:18:41 h72
2005
26.11 28mi USA21st Quad Dipsea Trail Run 6:58:13 h157
15.10 100mi USA3rd Javelina Jundred 100 Mile Endurance Run 28:19:39 h38
11.06 33mi USA9th Holcomb Valley 33 Mile 6:35:00 h41
2004
21.08 31.5mi USA7th Tamalpa Headlands 50K 6:19:40 h55
01.08 50km USA23rd Skyline 50k Endurance Run 4:55:10 h25
12.06 33mi USA8th Holcomb Valley 33 Mile 5:36:40 h3 🥉
05.06 50km USA15th Shadow of the Giants 50K 5:26:20 h23
17.04 50mi USA13th Leona Divide 50 Mile Run 10:12:07 h56
13.03 50km USA18th Crown King Scramble 50K 6:10:05 h20
2003
29.11 28mi USA19th Quad Dipsea Trail Run 5:34:36 h46
26.09 100mi USA5th The Bear 100 Mile Endurance Run 32:17:58 h36
23.08 31.5mi USA6th Tamalpa Headlands 50K 5:32:42 h59
14.06 33mi USA7th Holcomb Valley 33 Mile 5:53:45 h16
07.06 50km USA14th Shadow of the Giants 50K 5:12:48 h17
26.04 50mi USA12th Leona Divide 50 Mile Run 9:38:06 h35
18.03 50km USA17th Crown King Scramble 50K 6:02:43 h40
2002
30.11 28mi USA18th Quad Dipsea Trail Run 6:14:32 h120
02.06 33mi USA6th Holcomb Valley 33 Mile 6:04:00 h19
16.03 50km USA16th Crown King Scramble 50K 5:33:07 h19
2001
28.09 100mi USA3rd The Bear 100 Mile Endurance Run 32:06:26 h13
15.09 53.2mi USA15th Sierra Nevada Endurance 53 Mile Run 14:12:23 h29
25.08 31.5mi USA4th Tamalpa Headlands 50K 5:23:46 h36
25.07 135mi USA15th Badwater Ultramarathon 2d 05:23:37 h46
03.06 33mi USA5th Holcomb Valley 33 Mile 7:12:00 h42
02.06 50km USA12th Shadow of the Giants 50K 5:18:50 h14
19.05 50km USA8th Bishop High Sierra Ultramarathons 50 km 5:15:23 h4
12.05 50mi USA7th Lost Boys 50 Mile Trail Run 9:26:55 h8
28.04 50km USA6th McDonald Forest 50K Trail Run 5:43:52 h37
14.04 50mi USA10th Leona Divide 50 Mile Run 8:29:41 h14
17.03 50km USA15th Crown King Scramble 50K 5:35:42 h19
10.03 50km USA12th Way Too Cool 50K Endurance Run 4:36:25 h45
09.01 50mi USAEpiphany Ultras - The Real Deal 9:06:23 h8
2000
25.11 28mi USA16th Quad Dipsea Trail Run 5:13:57 h33
29.09 100mi USA2nd The Bear 100 Mile Endurance Run 34:46:00 h9
16.09 52.4mi USA14th Sierra Nevada Endurance 52 Mile Run 12:11:57 h35
27.07 135mi USA14th Badwater Ultramarathon 2d 03:01:41 h32
03.06 50km USA11th Shadow of the Giants 50K 5:18:01 h12
11.03 50km USA11th Way Too Cool 50K Endurance Run 4:45:42 h43
1999
11.12 50mi USA3rd Hunter S. Thompson Fear & Loathing 50 Miles 8:13:46 h1 🏆
27.11 28mi USA15th Quad Dipsea Trail Run 5:10:07 h28
23.10 52.4mi USA13th Sierra Nevada Endurance 52 Mile Run 9:58:55 h29
24.09 100mi USA1st The Bear 100 Mile Endurance Run 29:43:37 h4
28.08 31.5mi USA2nd Tamalpa Headlands 50K 4:52:55 h12
19.06 50mi USA5th San Juan Solstice 50 Mile Run 14:01:06 h35
05.06 50km USA10th Shadow of the Giants 50K 5:00:05 h8
15.05 50mi USA6th Bishop High Sierra Ultramarathons 50 Miles 10:34:18 h22
24.04 50km USA4th McDonald Forest 50K Trail Run 5:06:43 h12
13.03 50km USA10th Way Too Cool 50K Endurance Run 4:25:01 h32
13.02 50km USA16th San Juan Trail 50 km 5:17:09 h15
09.01 48mi USAEpiphany Ultras - The Real Deal 8:34:00 h5
1998
28.11 28mi USA14th Quad Dipsea Trail Run 5:20:55 h32
24.10 52.4mi USA12th Sierra Nevada Endurance 52 Mile Run 10:23:14 h33
12.09 100mi USA19th Wasatch Front 100 Mile 33:04:00 h95
22.08 100mi USA16th Leadville Trail 100 Mile 29:40:27 h188
18.07 100mi USA10th Vermont 100 Mile Endurance Race 20:04:05 h25
27.06 100mi USA25th Western States 100 Mile Endurance Run 25:30:46 h73
06.06 50km USA9th Shadow of the Giants 50K 5:01:39 h9
09.05 50km USA15th Quicksilver 50 km Endurance Run 4:13:39 h7
02.05 100km USA3rd Miwok 100k Trail race 10:28:40 h12
19.04 100km USA13th Ruth Anderson Ultra 100km 9:23:52 h10
14.03 50km USA9th Way Too Cool 50K Endurance Run 4:19:13 h20
12.01 47mi USAEpiphany Ultras - The Real Deal 9:02:00 h5
1997
06.12 50km USA2nd Hunter S. Thompson Fear & Loathing 50 km 4:55:00 h2 🥈
29.11 28mi USA13th Quad Dipsea Trail Run 5:07:06 h24
25.10 52.4mi USA11th Sierra Nevada Endurance 52 Mile Run 8:46:39 h15
05.09 100mi USA18th Wasatch Front 100 Mile 29:37:00 h57
19.07 100mi USA9th Vermont 100 Mile Endurance Race 19:32:33 h24
17.05 50mi USA16th Ice Age Trail 50 Mile Run 7:43:21 h18
03.05 100km USA2nd Miwok 100k Trail race 11:23:02 h17
15.03 50km USA8th Way Too Cool 50K Endurance Run 4:32:02 h41
1996
30.11 28mi USA12th Quad Dipsea Trail Run 5:15:32 h35
26.10 52.4mi USA10th Sierra Nevada Endurance 52 Mile Run 9:19:12 h14
25.07 135mi USA10th Badwater Ultramarathon 42:56:00 h5
24.03 50km USA13th San Juan Trail 50 km 5:38:25 h32
09.03 50km USA7th Way Too Cool 50K Endurance Run 4:19:18 h17
1995
25.11 28mi USA11th Quad Dipsea Trail Run 4:47:22 h17
28.10 52.4mi USA9th Sierra Nevada Endurance 52 Mile Run 11:02:09 h35
02.09 50km USA1st Point Reyes 50K 4:50:51 h13
24.06 100mi USA22nd Western States 100 Mile Endurance Run 26:24:28 h57
21.05 50km USA8th Ohlone 50K Wilderness Run 5:22:13 h6
11.03 50km USA6th Way Too Cool 50K Endurance Run 4:30:06 h22
1994
07.08 50km USA13th Skyline 50k Endurance Run 4:31:57 h12
23.06 100mi USA21st Western States 100 Mile Endurance Run 23:44:47 h74
15.05 50km USA7th Ohlone 50K Wilderness Run 5:18:52 h4
30.04 50mi USACalifornia 50 Mile Endurance Run 7:59:36 h13
12.03 50km USA5th Way Too Cool 50K Endurance Run 4:15:51 h21
1993
27.11 28mi USA9th Quad Dipsea Trail Run 4:51:40 h20
23.10 52.4mi USA7th Sierra Nevada Endurance 52 Mile Run 10:35:49 h33
21.08 100mi USA11th Leadville Trail 100 Mile 26:55:13 h51
05.06 50km USA4th Shadow of the Giants 50K 5:07:55 h21
15.05 50mi USA12th Ice Age Trail 50 Mile Run 7:52:45 h27
13.03 50km USA4th Way Too Cool 50K Endurance Run 4:47:54 h41
1992
28.11 28mi USA8th Quad Dipsea Trail Run 4:41:19 h9
24.10 52.4mi USA6th Sierra Nevada Endurance 52 Mile Run 9:19:32 h15
10.10 50mi USA10th Dick Collins Firetrails 50 Mile 8:53:38 h9
02.08 50km USA11th Skyline 50k Endurance Run 4:17:59 h5
17.05 50km USA6th Ohlone 50K Wilderness Run 5:12:23 h7
14.03 50km USA3rd Way Too Cool 50K Endurance Run 4:29:42 h19
1991
30.11 28mi USA7th Quad Dipsea Trail Run 4:46:54 h9
11.10 50mi USA9th Dick Collins Firetrails 50 Mile 8:42:59 h12
14.09 50km USAPacific Crest Trail 50 km 5:56:09 h15
03.08 50km USA10th Skyline 50k Endurance Run 4:44:35 h11
29.06 100mi USA18th Western States 100 Mile Endurance Run 26:27:43 h127
19.05 50km USA5th Ohlone 50K Wilderness Run 5:14:10 h5
18.05 50mi USA10th Ice Age Trail 50 Mile Run 9:48:59 h121
11.05 50km USA8th Quicksilver 50 km Endurance Run 4:23:38 h3 🥉
09.03 50km USA2nd Way Too Cool 50K Endurance Run 4:53:46 h35
1990
24.11 28mi USA6th Quad Dipsea Trail Run 5:04:05 h17
13.10 50mi USA8th Dick Collins Firetrails 50 Mile 8:55:12 h13
04.08 50km USA9th Skyline 50k Endurance Run 5:01:16 h18
20.05 50km USA4th Ohlone 50K Wilderness Run 5:53:56 h25
1989
21.05 50km USA3rd Ohlone 50K Wilderness Run 5:15:33 h11
1987
28.03 52.4mi USAThe Forty-Niner Double Marathon Trail Run 9:05:19 h50
1985
04.08 50km USA4th Skyline 50k Endurance Run 4:35:44 h47
1984
15.04 50mi USA5th American River 50 Mile Endurance Run 8:08:43 h72
1983
17.04 50mi USA4th American River 50 Mile Endurance Run 9:25:48 h242
1982
18.04 50mi USA3rd American River 50 Mile Endurance Run 8:28:35 h71