Ruth Anderson Memorial Endurance Run

  • Date: October 12, 2024 (37th - since 1986)
  • Entry fee: $120 ($135 after 6/1/24)
      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/__/24 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
    6:08:20 ('16)
    Jean Pommier, 52
    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
    6:36:23 ('07)
    Juliane Scheberies, 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'
  • 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       __%





Proudly sponsored by:

T8



This event supported by:

SF Rec & Parks

For more info: 2023 entrants / Facebook group / course map / certified 50K course map / USATF certified 50K course map / USATF certified 50M course map / blog / The Story of Ruth Anderson / report(s) / results: '86 '87 '88 '89 '90 '91 '92 '93 '94 '95 '96 '97 '98 '00 '01 '02 '03 '04 '05 '06 '07 '08 '09 '10 '11 '12 '13 '14 '15 '16 '17 '18 '19 '21 '22 '23 / splits: '08 '09 '10 '11 '12 '13 '14 '15 '16 '17 '18 '19 '21 '22 '23
(data from UltraRunning, Amy & John Burton, Anil Rao, Bill Dodson, Carol Cuminale, Dave Combs, Dave Kim, Denise Williams, Dick Collins, Don Lundell, Gary Wang, Hollis Lenderking, Jean Pommier, Jim Skophammer, Keith Blom, Mark Gilligan, Rajeev Patel, Richard Lulin, Ruth Anderson, Shiran Kochavi, Steve Jaber & Thom Trimble)

"http://www.Run100s.com/ra.htm" (updated: 11/3/23) StanJ@Run100s.com