Kathryn Buchan Varden
ID 82251
Born : 1972 Cat. W50 Ultrarunner since 1998 USA
44
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
47
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
68,1%
Rank quotient ?This runner's calculation uses 44 eligible race(s): Σ(rank − 1) = 6 727; Σ finishers = 9 884. 6 727 / 9 884 × 100 = 68.06%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed44
Km — ultra races3 365 km
> 100 km1
> 160 km1
Longest race160,9 km
8th Umstead Endurance Run 100 Miles — 6/4/2002

Km per year (ultra races)

80
1 race
2022
80
1 race
2023
80
1 race
2024
80
1 race
2025
80
1 race
2026

Race types (share of distance)

Trail100,0%

Wins & podiums (ultra)

🏆 Win0
🏆 Win F0
🏅 Top 30
🏅 Top 3 F1
Longest winning streak0
Current streak0

Records

50 km6h20'56100 km16h39'4550 mi8h37'40100 mi26h35'026 h47,48 km

HISTORY

44 race(s)
DateRacePerf.Rk
2026
10.01 50mi USA46th Avalon Benefit 50 Mile Run 12:33:34 h293
2025
11.01 50mi USA45th Avalon Benefit 50 Mile Run 12:47:06 h254
2024
06.01 50mi USA44th Avalon Benefit 50 Mile Run 12:48:01 h272
2023
07.01 50mi USA43th Avalon Benefit 50 Mile Run 12:48:05 h226
2022
08.01 50mi USA42th Avalon Benefit 50 Mile Run 12:24:44 h192
2020
11.01 50mi USA40th Avalon Benefit 50 Mile Run 12:16:09 h178
2019
12.01 50mi USA39th Avalon Benefit 50 Mile Run 11:40:31 h175
2018
20.01 50mi USA38th Avalon Benefit 50-Mile Run 11:06:02 h94
2017
07.01 50mi USA37th Avalon Benefit 50-Mile Run 11:28:42 h138
2016
09.01 50mi USA36th Avalon Benefit 50-Mile Run 11:11:25 h126
2014
15.11 50km USA1st Colossal Vail 50 km 8:07:08 h40
2010
24.07 50km USA6th Sequoia Trail Run 8:03:11 h26
16.01 50mi USA30th Avalon Benefit 50-Mile Run 11:26:21 h101
2009
04.04 50mi USA30th American River 50 Mile Endurance Run 10:59:44 h353
17.01 50mi USA29th Avalon Benefit 50-Mile Run 12:01:40 h116
2008
06.12 50km USA19th Sunmart Texas Trails 50 km 6:47:04 h264
08.03 6h USA1st Taturs Six Hour Snake Run 47.475 km9
12.01 50mi USA28th Avalon Benefit 50-Mile Run 11:29:00 h113
2007
13.10 50mi USA25th Dick Collins Firetrails 50 Mile 12:44:23 h211
14.04 50mi USA28th American River 50 Mile Endurance Run 11:52:12 h414
13.01 50mi USA27th Avalon Benefit 50-Mile Run 11:38:44 h119
2006
14.01 50mi USA26th Avalon Benefit 50-Mile Run 12:11:52 h117
2005
02.04 50mi USA25th Avalon Benefit 50-Mile Run 11:31:00 h56
2004
10.01 50mi USA24th Avalon Benefit 50-Mile Run 11:09:35 h84
2003
26.04 50mi USA12th Leona Divide 50 Mile Run 12:25:28 h118
18.03 50km USA17th Crown King Scramble 50K 9:13:59 h163
11.01 50mi USA23rd Avalon Benefit 50-Mile Run 10:51:20 h94
2002
06.04 100mi USA8th Umstead Endurance Run 100 Miles 26:35:02 h49
02.03 50mi USA12th Old Pueblo 50 Mile Endurance Run 11:31:23 h29
12.01 50mi USA22nd Avalon Benefit 50-Mile Run 9:44:25 h62
2001
17.11 50mi USA39th JFK 50 Mile 9:41:53 h238
17.03 50mi USA15th Crown King Scramble 50M 11:27:30 h32
13.01 50mi USA21st Avalon Benefit 50-Mile Run 9:52:14 h76
2000
06.05 100km USA5th Miwok 100k Trail race 16:39:45 h153
01.04 50mi USA21st American River 50 Mile Endurance Run 11:19:38 h308
08.01 50mi USA20th Avalon Benefit 50-Mile Run 11:15:29 h85
1999
07.08 50km USA18th Skyline 50k Endurance Run 6:27:52 h160
10.04 50mi USA20th American River 50 Mile Endurance Run 9:36:07 h247
13.03 50km USA10th Way Too Cool 50K Endurance Run 6:25:56 h330
09.01 50mi USA19th Avalon Benefit 50-Mile Run 10:10:21 h72
1998
14.11 50mi USA3rd Helen Klein Ultra Classic 50mi 8:37:40 h44
29.08 31.5mi USA1st Tamalpa Headlands 50K 7:02:44 h87
01.08 50km USA17th Skyline 50k Endurance Run 6:20:56 h128
04.04 50mi USA19th American River 50 Mile Endurance Run 10:11:28 h325