Dan Harshburger
Born : 1947 Cat. M75 Ultrarunner since 1984 USA
62
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
70
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
58,1%
Rank quotient ?This runner's calculation uses 147 eligible race(s): Σ(rank − 1) = 11 797; Σ finishers = 20 293. 11 797 / 20 293 × 100 = 58.13%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed147
Km — ultra races10 311 km
> 100 km12
> 160 km12
Longest race160,9 km

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road2,8%
Trail97,2%

HISTORY

147 race(s)
DateRacePerf.Rk
2016
07.05 50km USA3rd Smith Rock Ascent 50K 7:29:49 h154
10.04 40mi USA14th Peterson Ridge Rumble 40 Mile Trail Run 8:00:28 h107
2015
11.10 50km USA4th Bizz Johnson 50 km Trail Run 5:47:19 h19
11.07 50mi USA17th Mt. Hood 50 Mile Trail Run 11:51:36 h107
09.05 50km USA2nd Smith Rock Ascent 50K 6:55:37 h135
12.04 40mi USA13th Peterson Ridge Rumble 40 Mile Trail Run 7:28:40 h83
07.02 50km USA3rd Bristow Trail Run 6:11:59 h10
2014
18.10 50km USA1st Oregon Coast 50k 7:56:39 h140
12.10 50km USA3rd Bizz Johnson 50 km Trail Run 5:39:24 h20
23.08 50km USA2nd Headwaters Trail Run 50K 8:01:12 h48
12.07 50mi USA16th Mt. Hood 50 Mile Trail Run 12:40:31 h110
14.06 50km USA1st Smith Rock Ascent 50K 7:26:37 h79
26.05 50km USA3rd Stumptown Trail Run 50K 6:46:37 h84
29.03 50km USA4th Gorge Waterfalls 50k 7:55:30 h181
2013
26.10 50mi USA12th ORRC Autumn Leaves 50 Mile Run 11:07:15 h37
13.10 50km USA2nd Bizz Johnson 50 km Trail Run 5:51:11 h32
22.09 50km USA4th Flagline Trail Fest 50K 7:19:09 h133
24.08 50km USA1st Headwaters Trail Run 50K 8:08:56 h46
11.05 50km USA18th McDonald Forest 50K Trail Run 8:21:35 h234
2011
09.07 50km USA13th Siskiyou Out Back 50 km Trail Run 7:24:24 h162
2010
11.04 60km USA8th Peterson Ridge Rumble 60 km Trail Run 7:35:45 h104
2009
09.05 50km USA14th McDonald Forest 50K Trail Run 7:14:07 h134
05.04 60km USA7th Peterson Ridge Rumble 60 km Trail Run 7:21:31 h78
21.03 50km USA17th Chuckanut 50K 6:56:01 h224
2008
14.06 28.8mi USA2nd Lake Youngs Ultra 5:07:00 h52
25.05 50km USA3rd Forest Park 50K 7:39:17 h61
10.05 50km USA13th McDonald Forest 50K Trail Run 7:11:45 h132
15.03 36.2mi USA31st Haleakala Run to the Sun 9:11:54 h77
23.02 50km USA8th Hagg Lake Trail Runs 50K 6:15:06 h94
12.01 50mi USA28th Avalon Benefit 50-Mile Run 10:57:27 h96
2007
18.08 100km USA6th Where's Waldo 100K Ultramarathon 17:21:47 h73
28.07 50mi USA9th Mt. Hood 50 Mile Trail Run 11:31:12 h58
14.07 50km USA9th Siskiyou Out Back 50 km Trail Run 6:30:17 h85
19.05 50km USA12th McDonald Forest 50K Trail Run 6:37:00 h108
15.04 60km USA5th Peterson Ridge Rumble 60 km Trail Run 8:05:22 h76
13.01 50mi USA27th Avalon Benefit 50-Mile Run 10:50:28 h93
2006
04.11 50mi USA6th ORRC Autumn Leaves 50 Mile Run 9:45:00 h23
14.10 100mi USA7th Heartland 100 Mile Race 26:07:48 h30
09.09 50km USA19th McKenzie River 50 km Trail Run 6:08:55 h75
19.08 100km USA5th Where's Waldo 100K Ultramarathon 19:18:48 h47
29.07 50mi USA8th Mt. Hood 50 Mile Trail Run 11:01:03 h81
15.07 50km USA8th Siskiyou Out Back 50 km Trail Run 6:31:50 h80
17.06 33mi USA10th Holcomb Valley 33 Mile 7:25:29 h65
09.04 60km USA4th Peterson Ridge Rumble 60 km Trail Run 6:47:50 h71
2005
04.12 50km USA19th OTHTC High Desert 50K Ultra 5:48:06 h93
30.07 50mi USA7th Mt. Hood 50 Mile Trail Run 12:39:00 h79
09.07 50km USA7th Siskiyou Out Back 50 km Trail Run 7:03:26 h106
14.05 50km USA10th McDonald Forest 50K Trail Run 8:09:40 h151
10.04 60km USA3rd Peterson Ridge Rumble 60 km Trail Run 7:26:12 h59
26.03 50km USA1st ORRC March Mudness 50 km Ultramararathon 6:08:32 h27
2004
28.08 50km USA13th Bulldog 50k Ultra Run 9:09:13 h127
18.04 35mi USA2nd Peterson Ridge Rumble 35 Mile Trail Run 7:37:48 h73
13.03 50km USA1st Lake Hodges Trail Fest 50K 6:14:31 h41
2003
13.09 50km USA16th McKenzie River 50 km Trail Run 6:53:05 h78
26.07 50km USA8th Baldy Peaks 50K 10:03:02 h46
14.06 33mi USA7th Holcomb Valley 33 Mile 7:32:17 h48
26.04 50mi USA12th Leona Divide 50 Mile Run 11:40:49 h103
05.04 50mi USA24th American River 50 Mile Endurance Run 11:02:35 h352
11.01 50mi USA23rd Avalon Benefit 50-Mile Run 9:39:51 h50
2002
08.12 50km USA16th OTHTC High Desert 50K Ultra 5:39:43 h98
23.11 50mi USA40th JFK 50 Mile 10:04:47 h332
12.10 50km USA9th Cuyamaca-Laguna 50k Trail Race 6:51:38 h51
07.09 50km USA11th Bulldog 50k Ultra Run 6:31:32 h50
29.06 50km USAEl Moro 50 km Trail 6:58:00 h4
02.06 33mi USA6th Holcomb Valley 33 Mile 7:24:00 h52
04.05 100km USA7th Miwok 100k Trail race 14:28:05 h150
20.04 50mi USA11th Leona Divide 50 Mile Run 11:43:17 h106
23.03 50km USA19th San Juan Trail 50 km 7:18:34 h55
12.01 50mi USA22nd Avalon Benefit 50-Mile Run 9:21:06 h40
2001
09.12 50km USA15th OTHTC High Desert 50K Ultra 5:16:54 h71
17.11 50mi USA39th JFK 50 Mile 9:30:58 h209
13.10 50km USA8th Cuyamaca-Laguna 50k Trail Race 7:03:24 h50
15.09 53.2mi USA15th Sierra Nevada Endurance 53 Mile Run 12:57:49 h16
08.09 50km USA10th Bulldog 50k Ultra Run 6:48:36 h58
25.08 50km USA6th Baldy Peaks 50K 12:25:56 h44
03.02 100mi USA9th Rocky Raccoon 100 Mile Trail Run 25:33:51 h56
13.01 50mi USA21st Avalon Benefit 50-Mile Run 9:47:15 h68
2000
10.12 50km USA14th OTHTC High Desert 50K Ultra 5:29:33 h80
14.10 50km USA7th Cuyamaca-Laguna 50k Trail Race 7:12:14 h56
09.09 50km USA9th Bulldog 50k Ultra Run 6:35:40 h55
20.05 50km USA7th Bishop High Sierra Ultramarathons 50 km 7:53:22 h37
15.04 50mi USA9th Leona Divide 50 Mile Run 10:50:50 h69
25.03 50km USA17th San Juan Trail 50 km 7:48:02 h66
11.03 50km USA11th Way Too Cool 50K Endurance Run 5:59:22 h212
26.02 100km USA4th Catalina 100K Trail Run 14:11:21 h55
05.02 100mi USA8th Rocky Raccoon 100 Mile Trail Run 26:31:26 h68
08.01 50mi USA20th Avalon Benefit 50-Mile Run 9:24:44 h42
1999
05.12 50km USA13th OTHTC High Desert 50K Ultra 5:17:20 h54
20.11 50mi USA16th San Juan Trail 50 Mile 11:22:15 h20
02.10 100mi USA9th Arkansas Traveller 100 28:17:01 h57
26.09 50km USASadomasochist Culo Gordo 50K 6:03:40 h21
11.09 50km USA8th Bulldog 50k Ultra Run 6:14:57 h53
06.06 33mi USA3rd Holcomb Valley 33 Mile 6:51:42 h63
15.05 50mi USA6th Bishop High Sierra Ultramarathons 50 Miles 12:46:44 h45
17.04 50mi USA8th Leona Divide 50 Mile Run 12:32:05 h124
10.04 50mi USA20th American River 50 Mile Endurance Run 10:47:22 h393
09.01 50mi USA19th Avalon Benefit 50-Mile Run 10:06:32 h71
1998
06.12 50km USA12th OTHTC High Desert 50K Ultra 5:21:13 h59
24.10 50mi USA15th San Juan Trail 50 Mile 11:25:27 h22
18.10 50km USADam Tough 50 K Run 5:52:30 h13
05.09 50km USA7th Bulldog 50k Ultra Run 7:11:41 h57
01.08 50km USA17th Skyline 50k Endurance Run 8:22:49 h228
1997
06.09 50km USA3rd Baldy Peaks 50K 9:11:31 h54
06.09 50km USA3rd Point Reyes 50K 6:03:37 h73
06.06 100mi USA2nd Kettle Moraine 100 Mile Endurance Run 26:17:23 h49
19.04 50mi USA6th Leona Divide 50 Mile Run 9:37:03 h64
05.04 50mi USA18th American River 50 Mile Endurance Run 9:32:48 h258
16.03 50km USA14th San Juan Trail 50 km 6:11:03 h58
11.01 50mi USA17th Avalon Benefit 50-Mile Run 8:26:54 h38
1996
08.12 50km USA10th OTHTC High Desert 50K Ultra 4:48:08 h33
14.09 50km USA5th Bulldog 50k Ultra Run 5:57:39 h58
01.06 50mi USA2nd Winterhawk 50 Mile Trail Run 11:25:20 h42
18.05 50mi USA5th Lost Boys 50 Mile Trail Run 12:47:12 h59
20.04 50mi USA5th Leona Divide 50 Mile Run 9:57:42 h61
06.04 50mi USA17th American River 50 Mile Endurance Run 11:34:15 h401
24.03 50km USA13th San Juan Trail 50 km 6:14:34 h61
06.01 50mi USA16th Avalon Benefit 50-Mile Run 9:41:00 h48
1995
10.12 50km USA9th OTHTC High Desert 50K Ultra 5:52:49 h79
07.10 100mi USA5th Arkansas Traveller 100 28:25:40 h70
09.09 50km USA4th Bulldog 50k Ultra Run 5:33:07 h28
15.04 50mi USA4th Leona Divide 50 Mile Run 11:00:05 h83
25.03 50km USA9th Crown King Scramble 50K 6:23:22 h74
11.03 50km USA6th Way Too Cool 50K Endurance Run 5:26:47 h98
1994
11.12 50km USA8th OTHTC High Desert 50K Ultra 4:59:03 h28
22.10 50km USA1st Cuyamaca-Laguna 50k Trail Race 6:12:00 h24
02.04 50mi USA15th American River 50 Mile Endurance Run 8:32:22 h134
1993
12.12 50km USA7th OTHTC High Desert 50K Ultra 4:31:00 h13
09.10 100mi USA3rd Arkansas Traveller 100 22:14:06 h13
03.04 50mi USA14th American River 50 Mile Endurance Run 8:00:47 h78
17.01 40.5mi USASpunky Canyon Ultra 6:09:56 h23
1992
30.05 50km USA3rd Shadow of the Giants 50K 4:55:32 h37
25.04 50km USACuyamaca 50 km Trail Race 6:19:18 h102
18.04 50mi USA1st Leona Divide 50 Mile Run 9:04:09 h17
15.02 50mi USA14th Pacific Crest Trail Fifty 10:19:50 h21
19.01 40.5mi USASpunky Canyon Ultra 5:44:52 h18
11.01 50mi USA12th Avalon Benefit 50-Mile Run 8:23:23 h15
1991
30.11 35mi USA2nd Santa Barbara Nine Trails 35 Mile Endurance Run 7:39:44 h16
27.09 100mi USA6th Angeles Crest 100 Mile 31:18:55 h59
24.08 50km USAMule Run 50K 5:54:30 h45
27.07 100mi USA3rd Vermont 100 Mile Endurance Race 23:02:00 h76
13.04 50km USACuyamaca 50 km Trail Race 5:23:06 h63
1990
01.12 35mi USA1st Santa Barbara Nine Trails 35 Mile Endurance Run 7:44:09 h9
29.09 100mi USA5th Angeles Crest 100 Mile 31:58:23 h72
1989
24.06 100mi USA16th Western States 100 Mile Endurance Run 29:25:27 h230
1988
11.06 100mi USA10th Old Dominion 100 Mile Endurance Run 28:01:00 h53
02.06 50mi USA7th Ice Age Trail 50 Mile Run 8:57:15 h51
1984
18.11 50mi USA1st San Juan Trail 50 Mile 10:15:52 h57