Ruth Anderson Memorial Endurance Run
- Date: October 11, 2025 (38th - since 1986)
- Entry fee: $__ ($___ after __/__/25)
Anil Rao, Co-RD
Shiran Kochavi, Co-RD
Rajeev Patel, Co-RD
Mubarak Seyed, Volunteer Coordinator
RDs Emeritus: Steve Jaber, Amy & John Burton, Jim Skophammer
Chip Timing: Services provided by Wendell Doman (Coastal Trail Runs)
Timing Record Master: Stan Jensen
On-line Race Entry Deadline 10/__/25 11:59p.
Race day reg. available for $10 extra, if the race is not filled up.
Location: San Francisco, CA
Race HQ (bib#s, Start) : Lake Merced Blvd. & Sunset Blvd., San Francisco, CA
Start Time : 7:00 a.m.
50M Cutoff: 7 laps(31.1 miles) by 7.5 hours into the race (2:30pm)
50M Cutoff: 10 laps(44.5 miles) by 11 hours into the race (6:00pm)
Course records:
Age Gp. |
100k CR (since 1986) |
50m CR (since 2001) |
50k CR (since 2002) |
<20 |
11:59:18 ('07) Michael Kanning, 15 |
(NR) |
8:12:30 ('07) Konstantin Drabkin, 17 |
13:33:03 ('16) Trisha Kalkunte, 18 |
5:14:58 ('06) Spencer Frasher, 17 |
7:46:48 ('09) Jodie Huerta, 13 |
20-29 |
7:00:19 ('11) Joseph Binder, 27 |
9:38:40 ('10) Ying Shan, 27 |
5:37:46 ('10) Joseph Binder, 26 |
7:46:13 ('10) Megan Deverin, 29 |
2:38:43 ('22) CJ Albertson, 28 |
4:39:04 ('10) Laura Guest, 25 |
30-39 |
7:06:30 ('15) Chikara Omine, 32 |
8:43:03 ('88) Sylvia Andonie, 32 |
5:51:41 ('19) Chikara Omine, 37 |
6:36:47 ('22) Thia Angelo, 34 |
3:10:54 ('11) Ian Sharman, 30 |
3:39:39 ('16) Anna Zielaski, 33 |
40-49 |
7:15:13 ('92) Rae Clark, 40 |
8:48:48 ('13) Suzanna Bon, 48 |
5:05:41 ('22) Chikara Omine, 40 |
7:03:41 ('11) Clare Abram, 40 |
3:19:21 ('03) Tim O'Rourke, 40 |
4:06:19 ('14) Monica Zhuang, 40 |
50-59 |
8:30:37 ('05) Mike Sweeney, 50 |
10:30:20 ('97) Linda Elam, 51 |
5:56:48 ('24) James Scanlan, 55 |
8:08:42 ('10) Wendy Georges, 52 |
3:25:19 ('17) Jean Pommier, 53 |
4:00:03 ('22) Verity Breen, 55 |
60-69 |
8:58:04 ('91) Ray Piva, 64 |
11:14:14 ('98) Dixie Madsen, 61 |
7:59:12 ('18) Keith Blom, 61 |
9:14:31 ('05) Barbara Elia, 60 |
3:55:57 ('05) Frank Bozanich, 60 |
4:51:54 ('22) Angie Woolman, 68 |
70-79 |
10:59:51 ('02) Ray Piva, 75 |
(NR) |
9:09:49 ('11) Bill Dodson, 76 |
9:41:44 ('23) Sharlet Gilbert, 72 |
5:20:50 ('09) Bill Dodson, 74 |
5:00:12 ('24) Sharlet Gilbert, 73 |
80+ |
(NR) |
(NR) |
10:16:17 ('15) Bill Dodson, 80 |
(NR) |
6:06:33 ('16) Bill Dodson, 81 |
(NR) |
US Road Racing Records: |
Aid stations: 1 per loop (at S/F)
Surface: 4.475 miles paved bike path with dirt shoulders (per loop)
Elevations:
Climb: 2,488' |
High: 94' |
Low: 29' |
Start: 72' |
Finish: 72' |
Descent: 2,555' |
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History:
|
Combined Starters |
100k Finishers |
50m Finishers |
50k Finishers |
Finishing Rate |
April 19, 1986 |
20 |
12 |
|
|
60% |
April 18, 1987 |
|
6 |
|
|
% |
April 16, 1988 |
|
12 |
|
|
% |
April 15, 1989 |
|
15 |
|
|
% |
April 21, 1990 |
|
9 |
|
|
% |
April 20, 1991 |
|
13 |
|
|
% |
April 18, 1992 |
|
20 |
|
|
% |
April 17, 1993 |
32 |
20 |
|
|
63% |
April 16, 1994 |
30 |
23 |
|
|
77% |
April 15, 1995 |
24 |
16 |
|
|
67% |
April 20, 1996 |
41 |
30 |
|
|
73% |
April 19, 1997 |
46 |
33 |
|
|
72% |
April 18, 1998 |
35 |
27 |
|
|
77% |
1999 |
(Not held) |
April 22, 2000 |
24 |
20 |
|
|
83% |
April 21, 2001 |
28 |
7 |
18 |
|
89% |
April 20, 2002 |
27 |
12 |
5 |
10 |
100% |
April 19, 2003 |
34 |
8 |
7 |
17 |
94% |
April 17, 2004 |
41 |
6 |
10 |
24 |
98% |
April 16, 2005 |
48 |
7 |
16 |
25 |
100% |
April 22, 2006 |
51 |
8 |
15 |
22 |
88% |
March 31, 2007 |
68 |
12 |
10 |
44 |
97% |
April 19, 2008 |
50 |
4 |
9 |
31 |
88% |
April 18, 2009 |
75 |
7 |
20 |
42 |
92% |
April 17, 2010 |
83 |
11 |
15 |
52 |
94% |
April 23, 2011 |
70 |
13 |
15 |
39 |
96% |
April 21, 2012 |
80 |
9 |
18 |
51 |
98% |
April 20, 2013 |
90 |
11 |
21 |
55 |
97% |
April 19, 2014 |
81 |
10 |
30 |
39 |
98% |
April 19, 2015 |
75 |
12 |
16 |
46 |
99% |
April 16, 2016 |
59 |
7 |
15 |
32 |
92% |
April 23, 2017 |
43 |
6 |
10 |
22 |
88% |
April 21, 2018 |
49 |
10 |
14 |
21 |
92% |
October 12, 2019 |
72 |
4 |
27 |
36 |
93% |
October 10, 2020 |
CANCELLED DUE TO COVID-19 |
October 9, 2021 |
64 |
|
7 |
56 |
97% |
October 8, 2022 |
77 |
|
20 |
54 |
96% |
October 14, 2023 |
89 |
|
23 |
60 |
93% |
October 12, 2024 |
93 |
|
25 |
64 |
96% |
October 11, 2025 |
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Proudly sponsored by:
This event supported by:
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