Kathy Welch
Born : 1953 Cat. W70 Ultrarunner since 1985 USA
68
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
40,7%
Rank quotient ?This runner's calculation uses 152 eligible race(s): Σ(rank − 1) = 10 546; Σ finishers = 25 924. 10 546 / 25 924 × 100 = 40.68%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed152
Km — ultra races11 044 km
> 100 km15
> 160 km15
> 200 km1
> 24h3
Longest race201,2 km

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road8,9%
Trail91,1%

Wins & podiums (ultra)

🏆 Win0
🏆 Win F9
🏅 Top 33
🏅 Top 3 F29
Longest winning streak0
Current streak0

HISTORY

152 race(s)
DateRacePerf.Rk
2010
01.05 100km USA15th Miwok 100k Trail race 14:25:09 h207
27.03 50mi USA3rd Lake Sonoma 50 Mile Race 11:22:29 h93
13.03 50km USA21st Way Too Cool 50K Endurance Run 6:16:01 h240
06.02 50km USA9th Woodside Trail Run 50K 6:20:08 h64
2009
28.11 28mi USA25th Quad Dipsea Trail Run 6:33:32 h99
31.05 50km USA22nd Ohlone 50K Wilderness Run 7:20:54 h85
16.05 100km USA16th Bishop High Sierra Ultramarathons 100km 15:26:39 h19
19.04 50mi USA7th Diablo Endurance Run 14:15:08 h71
28.03 50mi USA2nd Lake Sonoma 50 Mile Race 11:32:00 h69
14.03 50km USA20th Way Too Cool 50K Endurance Run 6:16:21 h276
28.02 50km USA5th Sequoia Trail Run 6:36:26 h69
07.02 50km USA31st Jed Smith Ultra Classic - 50 km Race 4:58:18 h34
2008
29.11 28mi USA24th Quad Dipsea Trail Run 6:46:19 h151
25.10 24h USA3rd San Francisco One Day, 24h 169.946 km6
11.10 50km USA1st Mammoth Lakes 6:47:37 h6
31.08 50km USA13th Run On The Sly 50 km 6:44:39 h45
08.06 50km USA8th Mount Diablo 50K 7:56:40 h31
18.05 50km USA21st Ohlone 50K Wilderness Run 7:54:17 h68
10.05 50mi USA25th Quicksilver 50 Mile Endurance Run 10:38:06 h51
12.04 50mi USA1st Lake Sonoma 50 Mile Race 11:43:00 h33
02.02 50km USA30th Jed Smith Ultra Classic - 50 km Race 4:51:08 h27
2007
24.11 28mi USA23rd Quad Dipsea Trail Run 6:05:56 h97
03.11 50km USA12th Helen Klein Ultra Classic 50km 4:46:54 h11
22.09 100mi USA8th Rio Del Lago 100 Mile 25:15:32 h21
21.07 50mi USA6th Tahoe Rim Trail 50M Endurance Runs 12:16:38 h63
02.06 50km USA7th Mount Diablo 50K 12:22:00 h39
05.05 100km USA12th Miwok 100k Trail race 13:14:59 h110
31.03 50mi USA4th Pony Express 50 Mile Run 8:19:15 h2 🥈
24.03 50km USA6th Pirates Cove Trail Run 5:56:58 h42
10.03 50km USA18th Way Too Cool 50K Endurance Run 5:45:54 h215
03.02 50km USA29th Jed Smith Ultra Classic - 50 km Race 4:46:40 h40
2006
25.11 28mi USA22nd Quad Dipsea Trail Run 6:34:54 h130
15.07 100mi USA5th Tahoe Rim Trail 100M Endurance Runs 29:33:45 h27
10.06 50km USA6th Mount Diablo 50K 12:45:00 h41
13.05 50mi USA23rd Quicksilver 50 Mile Endurance Run 9:36:10 h16
25.03 50km USA5th Pirates Cove Trail Run 6:35:00 h24
11.03 50km USA17th Way Too Cool 50K Endurance Run 5:54:20 h173
2005
26.11 28mi USA21st Quad Dipsea Trail Run 6:37:52 h125
05.11 50km USA10th Helen Klein Ultra Classic 50km 5:00:15 h12
04.09 50km USA11th Run On The Sly 50 km 6:07:05 h20
07.08 50km USA24th Skyline 50k Endurance Run 6:09:40 h67
25.06 100mi USA32th Western States 100 Mile Endurance Run 28:21:00 h237
07.05 50mi USA22nd Quicksilver 50 Mile Endurance Run 10:05:45 h38
16.04 50mi USA3rd Diablo Endurance Run 13:07:10 h33
02.04 50mi USA26th American River 50 Mile Endurance Run 9:26:36 h154
19.03 50km USA3rd Rucky Chucky Roundabout 50K 7:07:47 h74
12.03 50km USA16th Way Too Cool 50K Endurance Run 5:50:56 h193
2004
31.12 24h USA22nd Across the Years, 24h 182.000 km3 🥉
27.11 28mi USA20th Quad Dipsea Trail Run 6:25:09 h108
06.11 50mi USA9th Helen Klein Ultra Classic 50mi 8:21:50 h16
09.10 32.8mi USA1st Lake of the Sky 32 Mile 8:34:38 h30
09.10 50mi USA22nd Dick Collins Firetrails 50 Mile 9:49:15 h56
21.08 31.5mi USA7th Tamalpa Headlands 50K 6:21:03 h56
01.05 100km USA9th Miwok 100k Trail race 12:48:12 h86
27.03 50km USA3rd Pirates Cove Trail Run 6:31:37 h25
13.03 50km USA15th Way Too Cool 50K Endurance Run 5:21:07 h139
2003
08.11 100mi USA1st Javelina Jundred 100 Mile 23:26:38 h15
11.10 50mi USA21st Dick Collins Firetrails 50 Mile 10:21:47 h76
31.08 50km USA9th Run On The Sly 50 km 6:29:46 h38
05.04 50mi USA24th American River 50 Mile Endurance Run 9:37:00 h202
08.03 50km USA14th Way Too Cool 50K Endurance Run 5:13:46 h145
08.02 50km USA2nd Woodside Trail Run 50K 7:01:53 h47
2002
24.08 100mi USA4th Cascade Crest Classic 100 Mile 28:15:00 h20
20.07 50mi USA2nd Tahoe Rim Trail 50M Endurance Runs 11:19:42 h25
08.06 50km USA2nd Mount Diablo 50K 6:49:34 h5
18.05 50km USA9th Bishop High Sierra Ultramarathons 50 km 6:36:03 h13
09.03 50km USA13th Way Too Cool 50K Endurance Run 6:22:57 h344
2001
24.11 28mi USA17th Quad Dipsea Trail Run 6:35:51 h103
02.09 50mi USA7th Run On The Sly 50 Mile 8:58:57 h11
25.08 31.5mi USA4th Tamalpa Headlands 50K 5:26:59 h43
21.07 50km USA1st Tahoe Rim Trail 50km Endurance Runs 6:29:38 h26
07.04 50mi USA22nd American River 50 Mile Endurance Run 9:49:16 h191
10.03 50km USA12th Way Too Cool 50K Endurance Run 5:27:19 h154
2000
25.11 28mi USA16th Quad Dipsea Trail Run 5:52:40 h77
16.09 52.4mi USA14th Sierra Nevada Endurance 52 Mile Run 11:06:23 h19
26.08 31.5mi USA3rd Tamalpa Headlands 50K 5:52:39 h41
29.07 47.6mi USA8th White River 50 Mile Trail Run 10:23:57 h26
03.06 50km USA3rd Best Run By A Dam Site 5:45:47 h13
06.05 100km USA5th Miwok 100k Trail race 12:10:38 h54
01.04 50mi USA21st American River 50 Mile Endurance Run 8:38:18 h58
11.03 50km USA11th Way Too Cool 50K Endurance Run 5:12:18 h96
12.02 50km USA22nd Jed Smith Ultra Classic - 50 km Race 4:39:20 h38
1999
27.11 28mi USA15th Quad Dipsea Trail Run 6:06:19 h83
23.10 52.4mi USA13th Sierra Nevada Endurance 52 Mile Run 11:01:45 h48
17.07 100km USAElkhorn Mountain Endurance Run 100 km 13:38:50 h31
12.06 50km USA2nd Best Run By A Dam Site 5:21:20 h12
08.05 50mi USA16th Quicksilver 50 Mile Endurance Run 9:28:13 h13
10.04 50mi USA20th American River 50 Mile Endurance Run 8:27:22 h105
13.03 50km USA10th Way Too Cool 50K Endurance Run 5:45:21 h204
02.01 50mi USA2nd Phoenix National Trail 50 Mile Endurance Run 11:37:47 h40
1998
28.11 28mi USA14th Quad Dipsea Trail Run 6:56:15 h145
14.11 50km USA3rd Helen Klein Ultra Classic 50km 4:38:37 h5
24.10 52.4mi USA12th Sierra Nevada Endurance 52 Mile Run 10:37:34 h40
27.06 100mi USA25th Western States 100 Mile Endurance Run 28:44:06 h161
16.05 50mi USA5th Bishop High Sierra Ultramarathons 50 Miles 11:47:50 h15
04.04 50mi USA19th American River 50 Mile Endurance Run 8:31:01 h104
14.03 50km USA9th Way Too Cool 50K Endurance Run 5:08:22 h81
1997
29.11 28mi USA13th Quad Dipsea Trail Run 6:51:03 h139
15.11 50mi USA2nd Helen Klein Ultra Classic 50mi 7:41:45 h29
25.10 52.4mi USA11th Sierra Nevada Endurance 52 Mile Run 10:42:50 h63
05.09 100mi USA18th Wasatch Front 100 Mile 29:07:00 h49
17.05 50mi USA4th Bishop High Sierra Ultramarathons 50 Miles 9:53:46 h22
10.05 50km USA14th Quicksilver 50 km Endurance Run 5:57:20 h60
03.05 100km USA2nd Miwok 100k Trail race 12:30:48 h36
05.04 50mi USA18th American River 50 Mile Endurance Run 8:20:55 h103
15.03 50km USA8th Way Too Cool 50K Endurance Run 6:20:04 h278
18.01 50km USA19th Jed Smith Ultra Classic - 50 km Race 4:34:25 h47
1996
30.11 28mi USA12th Quad Dipsea Trail Run 5:49:38 h68
26.10 52.4mi USA10th Sierra Nevada Endurance 52 Mile Run 9:38:45 h18
12.10 50mi USA14th Dick Collins Firetrails 50 Mile 9:13:31 h32
22.09 50km USADown and Up Ruck-a-Chuck 6:07:00 h15
03.08 50km USA15th Skyline 50k Endurance Run 5:13:49 h46
29.06 100mi USA23rd Western States 100 Mile Endurance Run 25:41:44 h90
18.05 50km USA11th Silver State 50 km 8:07:32 h27
11.05 50km USA13th Quicksilver 50 km Endurance Run 5:13:50 h21
06.04 50mi USA17th American River 50 Mile Endurance Run 8:42:50 h113
09.03 50km USA7th Way Too Cool 50K Endurance Run 5:12:58 h94
03.02 50km USA18th Jed Smith Ultra Classic - 50 km Race 4:26:50 h45
1995
25.11 28mi USA11th Quad Dipsea Trail Run 6:10:40 h91
11.11 24h USAGibson Ranch 24-hour Classic 201.168 km2 🥈
28.10 52.4mi USA9th Sierra Nevada Endurance 52 Mile Run 11:10:11 h42
21.08 100mi USA13th Leadville Trail 100 Mile 29:20:44 h95
20.05 50km USA10th Silver State 50 km 8:33:40 h24
15.04 50mi USA4th Leona Divide 50 Mile Run 9:48:50 h59
01.04 50mi USA16th American River 50 Mile Endurance Run 8:37:46 h128
1994
04.06 50km USA5th Shadow of the Giants 50K 6:37:52 h107
21.05 50km USA9th Silver State 50 km 6:45:31 h20
02.04 50mi USA15th American River 50 Mile Endurance Run 8:51:25 h179
12.03 50km USA5th Way Too Cool 50K Endurance Run 5:03:49 h87
1993
23.10 52.4mi USA7th Sierra Nevada Endurance 52 Mile Run 9:34:00 h13
26.06 100mi USA20th Western States 100 Mile Endurance Run 27:15:25 h104
03.04 50mi USA14th American River 50 Mile Endurance Run 8:51:37 h168
13.03 50km USA4th Way Too Cool 50K Endurance Run 4:53:04 h48
1992
28.11 28mi USA8th Quad Dipsea Trail Run 6:01:08 h61
24.10 52.4mi USA6th Sierra Nevada Endurance 52 Mile Run 9:55:00 h28
26.09 100mi USA7th Angeles Crest 100 Mile 27:44:40 h28
17.05 50km USA6th Ohlone 50K Wilderness Run 6:05:31 h28
16.05 50km USA8th Silver State 50 km 6:49:31 h19
09.05 50km USA9th Quicksilver 50 km Endurance Run 5:40:58 h23
04.04 50mi USA13th American River 50 Mile Endurance Run 7:58:30 h79
14.03 50km USA3rd Way Too Cool 50K Endurance Run 5:23:09 h112
1991
27.07 100mi USA3rd Vermont 100 Mile Endurance Race 21:39:00 h47
01.06 50km USA2nd Shadow of the Giants 50K 5:26:44 h51
1990
04.08 50km USA9th Skyline 50k Endurance Run 5:03:37 h19
12.05 50km USA7th Quicksilver 50 km Endurance Run 4:57:07 h6
07.04 50mi USA11th American River 50 Mile Endurance Run 8:16:56 h107
10.03 50km USA1st Way Too Cool 50K Endurance Run 5:13:27 h37
04.02 50mi USA12th Pacific Crest Trail Fifty 11:15:49 h36
1989
25.11 28mi USA5th Quad Dipsea Trail Run 5:35:40 h23
21.05 50km USA3rd Ohlone 50K Wilderness Run 5:47:59 h21
1988
10.04 50mi USA9th American River 50 Mile Endurance Run 8:48:02 h65
1985
04.08 50km USA4th Skyline 50k Endurance Run 5:14:58 h112