Robert Anderson
Born : 1946 Cat. M80 Ultrarunner since 1998 USA
80
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
64,5%
Rank quotient ?This runner's calculation uses 169 eligible race(s): Σ(rank − 1) = 23 833; Σ finishers = 36 955. 23 833 / 36 955 × 100 = 64.49%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed169
Km — ultra races12 845 km
> 100 km20
> 160 km17
Longest race160,9 km

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Trail100,0%

HISTORY

169 race(s)
DateRacePerf.Rk
2018
28.04 50km USA18th Promise Land 50K++ 9:51:15 h263
17.03 50km USA13th Elizabeth's Furnace Fat Ass 50 km Race 10:29:00 h59
2017
11.11 50mi USA8th Stone Mill 50 Mile Run 11:58:41 h136
04.11 50mi USA35th Mountain Masochist 50 Mile Trail Run 12:30:42 h186
29.04 50km USA17th Promise Land 50K++ 9:08:17 h267
08.04 50mi USA25th Bull Run Run 50 Miler 11:55:46 h228
18.03 50km USA29th The HAT Run 50K 7:34:56 h261
11.03 50km USA12th Elizabeth's Furnace Fat Ass 50 km Race 10:26:00 h64
2016
12.11 50mi USA7th Stone Mill 50 Mile Run 12:35:01 h175
05.11 50mi USA34th Mountain Masochist 50 Mile Trail Run 11:52:06 h192
16.07 50km USA21st Catoctin 50k Trail Run 9:04:57 h110
18.06 40mi USA14th Highlands Sky 40M Trail Run 10:57:26 h117
14.05 100mi USA22nd Massanutten Mountain Trails 100 Mile 33:12:37 h97
30.04 50km USA16th Promise Land 50K++ 8:06:54 h217
09.04 50mi USA24th Bull Run Run 50 Miler 12:00:18 h192
02.04 50km USA1st DAM 50K VA 6:58:28 h41
19.03 50km USA9th Terrapin Mountain 50 km Race 7:16:26 h131
13.02 50km USA21st Holiday Lake 50K++ 7:01:04 h185
2015
07.11 50mi USA33rd Mountain Masochist 50 Mile Trail Run 11:28:45 h130
02.10 100mi USA7th Grindstone 100 Mile 37:32:23 h104
08.08 32.5mi USA8th Martha Moats Baker Memorial 50k 9:08:00 h25
25.07 50km USA4th Catherine's 50k Run 8:15:00 h45
20.06 40mi USA13th Highlands Sky 40M Trail Run 11:36:54 h139
11.04 50mi USA23rd Bull Run Run 50 Miler 12:04:19 h237
21.03 50km USA8th Terrapin Mountain 50 km Race 7:36:27 h196
14.02 50km USA20th Holiday Lake 50K++ 6:56:08 h217
10.01 50km USA3rd Willis River 50K Trail Run 7:36:02 h24
2014
03.10 100mi USA6th Grindstone 100 Mile 36:18:16 h178
09.08 32.5mi USA7th Martha Moats Baker Memorial 50k 10:00:00 h28
26.07 50km USA19th Catoctin 50k Trail Run 8:51:57 h129
14.06 40mi USA12th Highlands Sky 40M Trail Run 11:05:05 h129
17.05 100mi USA20th Massanutten Mountain Trails 100 Mile 35:11:29 h132
26.04 50km USA14th Promise Land 50K++ 8:28:58 h294
12.04 50mi USA22nd Bull Run Run 50 Miler 11:57:00 h201
22.03 50km USA7th Terrapin Mountain 50 km Race 7:35:00 h214
08.03 50km USA10th Seneca Creek Greenway Trail 50k 8:03:37 h149
15.02 50km USA19th Holiday Lake 50K++ 8:04:12 h233
2013
27.07 50km USA18th Catoctin 50k Trail Run 8:34:02 h123
15.06 40mi USA11th Highlands Sky 40M Trail Run 10:27:05 h118
18.05 100mi USA19th Massanutten Mountain Trails 100 Mile 34:27:36 h126
27.04 50km USA13th Promise Land 50K++ 8:01:23 h235
13.04 50mi USA21st Bull Run Run 50 Miler 10:58:58 h187
23.03 50km USA6th Terrapin Mountain 50 km Race 7:33:17 h216
23.02 71mi USA8th The Reverse Ring 71-mile Run 31:09:00 h18
09.02 50km USA18th Holiday Lake 50K++ 6:21:29 h228
12.01 50km USA1st Willis River 50K Trail Run 6:50:28 h32
2012
08.12 100km USA10th Hellgate 100 km 17:52:02 h114
17.11 50mi USA3rd Stone Mill 50 Mile Run 11:05:02 h148
03.11 50mi USA30th Mountain Masochist 50 Mile Trail Run 12:16:39 h217
28.07 50km USA17th Catoctin 50k Trail Run 9:08:08 h130
16.06 40mi USA10th Highlands Sky 40M Trail Run 9:56:46 h96
12.05 100mi USA18th Massanutten Mountain Trails 100 Mile 32:37:32 h74
28.04 50km USA12th Promise Land 50K++ 7:35:10 h188
14.04 50mi USA20th Bull Run Run 50 Miler 11:01:57 h192
24.03 50km USA5th Terrapin Mountain 50 km Race 7:00:50 h156
03.03 50km USA8th Seneca Creek Greenway Trail 50k 7:24:02 h149
11.02 50km USA17th Holiday Lake 50K++ 6:26:31 h244
14.01 50km USA6th Swinging Bridge 50K 6:05:00 h16
2011
10.12 100km USA9th Hellgate 100 km 17:45:46 h108
19.11 50mi USA2nd Stone Mill 50 Mile Run 12:25:17 h118
05.11 50mi USA29th Mountain Masochist 50 Mile Trail Run 11:30:57 h189
30.07 50km USA16th Catoctin 50k Trail Run 9:09:21 h117
18.06 40mi USA9th Highlands Sky 40M Trail Run 10:09:31 h110
14.05 100mi USA17th Massanutten Mountain Trails 100 Mile 33:21:07 h99
23.04 50km USA11th Promise Land 50K++ 7:36:16 h161
09.04 50mi USA19th Bull Run Run 50 Miler 10:45:38 h191
26.03 50km USA4th Terrapin Mountain 50 km Race 7:01:53 h115
19.03 50km USA23rd The HAT Run 50K 6:31:26 h198
05.03 50km USA7th Seneca Creek Greenway Trail 50k 6:27:38 h126
26.02 71mi USA6th The Reverse Ring 71-mile Run 24:30:00 h7
12.02 50km USA16th Holiday Lake 50K++ 6:23:50 h225
2010
11.12 100km USA8th Hellgate 100 km 16:56:46 h87
20.11 50mi USA1st Stone Mill 50 Mile Run 11:08:08 h53
06.11 50mi USA28th Mountain Masochist 50 Mile Trail Run 11:37:30 h184
25.09 100km USA8th Great Eastern Endurance Run 100 km 18:12:50 h19
31.07 50km USA15th Catoctin 50k Trail Run 8:08:58 h106
19.06 40mi USA8th Highlands Sky 40M Trail Run 10:45:30 h127
24.04 50km USA10th Promise Land 50K++ 7:32:52 h159
10.04 50mi USA18th Bull Run Run 50 Miler 10:25:16 h172
27.03 50km USA3rd Terrapin Mountain 50 km Race 6:49:04 h87
20.03 50km USA22nd The HAT Run 50K 6:59:23 h214
06.03 50km USA6th Seneca Creek Greenway Trail 50k 6:47:56 h90
13.02 50km USA15th Holiday Lake 50K++ 7:33:11 h181
16.01 50km USA4th Swinging Bridge 50K 7:12:24 h27
2009
12.12 100km USA7th Hellgate 100 km 17:37:04 h77
07.11 50mi USA27th Mountain Masochist 50 Mile Trail Run 11:18:10 h153
01.10 100mi USA2nd Grindstone 100 Mile 33:13:39 h51
26.09 100km USA7th Great Eastern Endurance Run 100 km 16:26:58 h23
01.08 50km USA14th Catoctin 50k Trail Run 8:42:28 h131
20.06 40mi USA7th Highlands Sky 40M Trail Run 11:05:45 h126
16.05 50km USA7th Superior Spring 50 km Trail Race 5:32:20 h19
25.04 50km USA9th Promise Land 50K++ 8:04:05 h145
18.04 50mi USA17th Bull Run Run 50 Miler 11:11:04 h177
31.03 50km USA21th The HAT Run 50K 6:30:14 h195
28.03 50km USA2nd Terrapin Mountain 50 km Race 7:01:45 h106
07.03 50km USA5th Seneca Creek Greenway Trail 50k 6:48:59 h84
14.02 50km USA14th Holiday Lake 50K++ 6:15:56 h180
17.01 50km USA3rd Swinging Bridge 50K 6:55:17 h12
2008
13.12 100km USA6th Hellgate 100 km 17:41:45 h71
22.11 50mi USA46th JFK 50 Mile 11:34:42 h686
01.11 50mi USA26th Mountain Masochist 50 Mile Trail Run 11:42:56 h161
27.09 100km USA6th Great Eastern Endurance Run 100 km 17:04:13 h20
06.09 71.1mi USA6th The Ring 71-mile Run 27:25:05 h12
02.08 50km USA13th Catoctin 50k Trail Run 8:51:20 h110
14.06 40mi USA6th Highlands Sky 40M Trail Run 10:12:29 h92
17.05 100mi USA14th Massanutten Mountain Trails 100 Mile 33:43:48 h72
26.04 50km USA8th Promise Land 50K++ 7:57:43 h167
12.04 50mi USA16th Bull Run Run 50 Miler 10:36:23 h105
29.03 50km USA20th The HAT Run 50K 6:09:34 h138
01.03 50km USA4th Seneca Creek Greenway Trail 50k 6:13:30 h61
16.02 50km USA13th Holiday Lake 50K++ 6:32:22 h175
19.01 50km USA2nd Swinging Bridge 50K 6:56:31 h22
2007
03.11 50mi USA25th Mountain Masochist 50 Mile Trail Run 11:20:07 h163
29.09 100km USA5th Great Eastern Endurance Run 100 km 16:45:58 h35
04.08 50km USA12th Catoctin 50k Trail Run 8:24:19 h79
17.06 40mi USA5th Highlands Sky 40M Trail Run 10:16:18 h84
19.05 100mi USA13th Massanutten Mountain Trails 100 Mile 32:31:08 h52
28.04 50km USA7th Promise Land 50K++ 7:16:50 h129
14.04 50mi USA15th Bull Run Run 50 Miler 10:38:28 h196
24.03 50km USA19th The HAT Run 50K 6:18:34 h167
10.02 50km USA12th Holiday Lake 50K++ 6:28:12 h158
2006
09.12 100km USA4th Hellgate 100 km 18:17:00 h58
18.11 50mi USA44th JFK 50 Mile 9:51:08 h354
04.11 50mi USA24th Mountain Masochist 50 Mile Trail Run 11:32:36 h174
23.09 100km USA4th Great Eastern Endurance Run 100 km 15:09:10 h31
05.08 50km USA11th Catoctin 50k Trail Run 8:36:10 h94
08.07 50km USA12th Rattlesnake Trail 50K Ultrarun 6:31:01 h37
10.06 40mi USA4th Highlands Sky 40M Trail Run 9:53:59 h61
13.05 100mi USA12th Massanutten Mountain Trails 100 Mile 32:26:18 h77
29.04 50km USA6th Promise Land 50K++ 7:48:34 h114
08.04 50mi USA14th Bull Run Run 50 Miler 11:17:38 h159
25.03 50km USA18th The HAT Run 50K 6:01:47 h186
11.02 50km USA11th Holiday Lake 50K++ 6:36:03 h114
2005
19.11 50mi USA43rd JFK 50 Mile 9:53:02 h335
15.10 50mi USA23th Mountain Masochist 50 Mile Trail Run 11:35:03 h168
07.05 100mi USA11th Massanutten Mountain Trails 100 Mile 32:21:25 h61
30.04 50km USA5th Promise Land 50K++ 7:29:52 h85
09.04 50mi USA13th Bull Run Run 50 Miler 11:01:18 h142
12.02 50km USA10th Holiday Lake 50K++ 6:16:39 h85
2004
20.11 50mi USA42nd JFK 50 Mile 11:38:05 h652
16.10 50mi USA22th Mountain Masochist 50 Mile Trail Run 10:53:02 h135
05.09 100km USA2nd Great Eastern Endurance Run 100 km 15:30:15 h30
08.05 100mi USA10th Massanutten Mountain Trails 100 Mile 30:56:24 h39
24.04 50km USA4th Promise Land 50K++ 7:32:28 h93
17.04 50mi USA12th Bull Run Run 50 Miler 10:24:15 h112
15.02 50km USA9th Holiday Lake 50K++ 6:17:33 h105
2003
22.11 50mi USA41st JFK 50 Mile 9:32:01 h221
18.10 50mi USA21th Mountain Masochist 50 Mile Trail Run 11:04:55 h130
20.09 50km USA1st Great Eastern Endurance Run 50 km 6:45:15 h86
10.05 100mi USA9th Massanutten Mountain Trails 100 Mile 31:42:37 h32
26.04 50km USA3rd Promise Land 50K++ 7:26:21 h89
12.04 50mi USA11th Bull Run Run 50 Miler 10:15:30 h125
11.02 50km USA8th Holiday Lake 50K++ 6:52:06 h113
2002
23.11 50mi USA40th JFK 50 Mile 10:05:44 h336
19.10 50mi USA20th Mountain Masochist 50 Mile Trail Run 11:39:15 h214
11.05 100mi USA8th Massanutten Mountain Trails 100 Mile 32:13:59 h53
12.04 50mi USA10th Bull Run Run 50 Miler 10:28:22 h125
2001
17.11 50mi USA39th JFK 50 Mile 10:48:34 h455
20.10 50mi USA19th Mountain Masochist 50 Mile Trail Run 11:30:48 h143
12.05 100mi USA7th Massanutten Mountain Trails 100 Mile 33:18:37 h53
07.04 50mi USA9th Bull Run Run 50 Miler 11:06:59 h131
2000
04.11 50mi USA38th JFK 50 Mile 10:34:35 h361
04.11 50mi USA18th Mountain Masochist 50 Mile Trail Run 11:44:20 h132
13.05 100mi USA6th Massanutten Mountain Trails 100 Mile 33:43:21 h39
15.04 50mi USA8th Bull Run Run 50 Miler 10:37:05 h131
1999
20.11 50mi USA37th JFK 50 Mile 10:43:11 h501
06.11 50mi USA17th Mountain Masochist 50 Mile Trail Run 11:12:42 h108
17.04 50mi USA7th Bull Run Run 50 Miler 10:45:29 h126
1998
21.11 50mi USA36th JFK 50 Mile 9:59:33 h361