WOMEN'S ALL-TIME U.S. 20K PERFORMANCE LIST
| Rank | Time | Athlete | Event | Date |
| 1 | 1:30:49 | Maria Michta | World RW Cup, Taicang, China | 5/3/2014 |
| 2 | 1:31:09 | Maria Michta | World RW Cup Trials, Whiting, NJ | 3/30/2014 |
| 3 | 1:31:51 | Michelle Rohl | Kenosha, WI | 5/13/2000 |
| 4 | 1:32:27 | Maria Michta | Olympic Games, London, England | 8/11/2012 |
| 5 | 1:32:39 | Michelle Rohl | Sacramento | 7/16/2000 |
| 6 | 1:32:49 | Michelle Rohl | Eugene, OR | 6/24/2001 |
| 7 | 1:32:55 | Joanne Dow | USA 30K National Champs | 1/11/2004 |
| 8 | 1:33:10 | Miranda Melville | World Cup Trials, Whiting, NJ | 3/30/2014 |
| 9 | 1:33:17 | Michelle Rohl | Eugene, OR | 6/27/1999 |
| 10 | 1:33:23 | Teresa Vaill | Manassas , VA | 4/1/2001 |
| 11 | 1:33:27 | Joanne Dow | Manassas ,VA | 3/20/1999 |
| 12 | 1:33:40 | Yueling Chen | Sacramento | 7/16/2000 |
| 13 | 1:33:48 | Debbi Lawrence | Sacramento | 7/16/2000 |
| 14 | 1:33:51 | Maria Michta | World Championships, Moscow, Russia | 8/12/2013 |
| 15 | 1:34:26 | Michelle Rohl | Sydney | 9/28/2000 |
| 16 | 1:34:31.1 | Michelle Rohl | USATF Outdoor Champs | 6/21/2003 |
| 17 | 1:34:38 | Erin Gray | World Championships, Moscow, Russia | 8/12/2013 |
| 18 | 1:34:41 | Debbi Lawrence | Kenosha, WI | 05/13/2000 |
| 19 | 1:34:44 | Susan Armenta | Kenosha, WI | 6/3/2000 |
| 20 | 1:34:44 | Joanne Dow | Kansas City, KS | 6/3/2000 |
| 21 | 1:34:50 | Jill Zenner | Kenosha, WI | 6/3/2000 |
| 22 | 1:34:52 | Maria Michta | US Outdoor Champs | 2011 |
| 23 | 1:34:54 t | Maria Michta | US Olympic Trials, Eugene, OR | 7/1/2012 |
| 24 | 1:34:57 t | Miranda Melville | US Olympic Trials, Eugene, OR | 7/1/2012 |
| 25 | 1:34:57.5 | Joanne Dow | US Outdoor Champs | 6/21/2003 |
| 26 | 1:35:22 | Sara Stevenson | Kenosha, WI | 05/13/2000 |
| 27 | 1:35:36 | Teresa Vaill | US Outdoor Champs | 2011 |
| 28 | 1:35:38 | Maria Michta | Pan Am Cup Trials, Huntington Beach, CA | 3/17/2013 |
| 29 | 1:35:38 | Lynn Weik | Hauppauge, NY | 12/22/1991 |
| 30 | 1:35:40 | Victoria Herazo | Albany | 5/21/1995 |
| 31 | 1:35:41 t | Erin Gray | US Olympic Trials, Eugene, OR | 7/1/2012 |
| 32 | 1:35:48 | Joanne Dow | Pan Am Games | 8/6/2003 |
| 33 | 1:35:54.37 | Maria Michta | US Outdoor Champs, Sacramento, CA | 6/28/2014 |
| 34 | 1:35:57 | Maria Michta | World Cup Trials, Eugene, OR | 4/1/2012 |
| 35 | 1:36:00 | Amber Antonio | Palo Alto | 6/22/2002 |
| 36 | 1:36:08 | Erin Gray | World Cup Trials, Eugene, OR | 4/1/2012 |
| 37 | 1:36:18 | Miranda Melville | World RW Cup, Taicang, China | 5/3/2014 |
| 38 | 1:36:26 | Gretchen Fishmen | Kenosha, WI | 6/3/2000 |
| 39 | 1:36:32 | Joanne Dow | World Champs | 8/24/2003 |
| 40 | 1:36:34 | Sara Standley | Kenosha, WI | 06/03/2000 |
| 41 | 1:36:37.0 | Amber Antonio | Eugene, OR | 6/24/2001 |
| 42 | 1:36:38.4 | Teresa Vaill | USATF Outdoor Champs | 6/21/2003 |
| 43 | 1:36:39 | Samantha Cohen | 2006 | |
| 44 | 1:36:46 | Danielle Kirk | Naumburg | 4/30/2000 |
| 45 | 1:36:49 | Teresa Vaill | Kansas City | 4/4/2004 |
| 46 | 1:36:57 | Erin Gray | St. Patricks Races, Huntington Beach, CA | 3/11/2012 |
| 47 | 1:37:01 t | Jill Cobb | US Olympic Trials, Eugene, OR | 7/1/2012 |
| 48 | 1:37:07 | Jolene Moore | 2006 | |
| 49 | 1:37:08 | Miranda Melville | St. Patricks Races, Huntington Beach, CA | 3/11/2012 |
| 50 | 1:37:10 t | Joanne Dow | US Olympic Trials, Eugene, OR | 7/1/2012 |
| 51 | 1:37:10.0 | Jill Zenner | Eugene, OR | 6/24/2001 |
| 52 | 1:37:23 | Teresa Vaill | Eastern Regional 20K | 5/25/2003 |
| 53 | 1:37:34.46 t | Maria Michta | US Outdoor Champs, Des Moines, IA | 6/23/2013 |
| 54 | 1:37:35 | Margaret Ditchburn | Manassas ,VA | 3/20/1999 |
| 55 | 1:37:35 | Teresa Vaill | 2010 | |
| 56 | 1:37:37 | Michelle Rohl | Kansas City | 4/4/2004 |
| 57 | 1:37:41 | Lauren Forgues | US Outdoor Champs | 2011 |
| 58 | 1:37:44 | Deb Huberty | 2004 | |
| 59 | 1:37:58 | Miranda Melville | Pan Am Cup Trials, Huntington Beach, CA | 3/17/2013 |
| 60 | 1:38:01 | Miranda Melville | US Outdoor Champs | 2011 |
| 61 | 1:38:01 | Jill Cobb | Jack Mortland Races, Dayton, OH | 5/6/2012 |
| 62 | 1:38:04 | Lauren Forgues | Naumburg Racewalks, Naumburg, Germany | 4/22/2012 |
| 63 | 1:38:20 | Maria Michta | 2010 | |
| 64 | 1:38:34 | Teresa Vaill | Long Island, NY | 10/19/2003 |
| 65 | 1:38:41.0 | Debbi Lawrence | Eugene. OR | 6/24/2001 |
| 66 | 1:38:52 | Joanne Dow | Eugene, OR | 6/24/2001 |
| 67 | 1:39:01 | Bobbi Jo Chapman | 2004 | |
| 68 | 1:39:13 | Lauren Forgues | World Cup Trials, Eugene, OR | 4/1/2012 |
| 69 | 1:39:14 | Miranda Melville | World RW Cup, Saransk, Russia | 5/13/2012 |
| 70 | 1:39:19.80 t | Erin Gray | US Outdoor Champs, Des Moines, IA | 6/23/2013 |
| 71 | 1:39:23.91 | Erin Gray | US Outdoor Champs, Sacramento, CA | 6/28/2014 |
| 72 | 1:39:32 | Katie Burnett | Pan Am Cup Trials, Huntington Beach, CA | 3/17/2013 |
| 73 | 1:39:50 | Jolene Moore | USATF Outdoor Champs | 6/21/2003 |
| 74 | 1:39:53 | Erin Gray | Portland, OR | 6/10/2012 |
| 75 | 1:39:55.3 | Amber Antonio | USATF Outdoor Champs | 6/21/2003 |
| 76 | 1:39:56 | Jolene Moore | Kansas City, KS | 4/4/2004 |
| 77 | 1:40:01.61 | Katie Burnett | US Outdoor Champs, Sacramento, CA | 6/28/2014 |
| 78 | 1:40:03.8 | Samantha Cohen | USATF Outdoor Champs | 6/21/2003 |
| 79 | 1:40:04 | Samantha Cohen | USATF Wisconsin 10k champs, Pleasnat Prairie, WI | 5/31/2014 |
| 80 | 1:40:11 | Erin Gray | Pan Am Cup Trials | 2011 |
| 81 | 1:40:21.21 | Susan Randall | USATF Outdoor Champs | 6/28/2014 |
| 82 | 1:40:33.5 | Susan Armenta | USATF Outdoor Champs | 6/21/2003 |
| 83 | 1:40:38.14 t | Miranda Melville | US Outdoor Champs, Des Moines, IA | 6/23/2013 |
| 84 | 1:40:42 | Katie Burnett | 2011 | |
| 85 | 1:40:52 | Lauren Forgues | 2010 | |
| 86 | 1:41:04 | Teresa Vaill | Pan Am Cup Trials, Huntington Beach, CA | 3/17/2013 |
| 87 | 1:41:05 | Erin Taylor-Talcott | Victorian RW Champs, Melbourne, Australia | 1/19/2014 |
| 88 | 1:41:09.2 | Jolene Moore | USATF Outdoor Champs | 6/21/2003 |
| 89 | 1:41:19 | Katie Burnett | World Cup Trials, Eugene, OR | 4/1/2012 |
| 90 | 1:41:19 | Katie Burnett | USA 30km Champs | 9/14/2014 |
| 91 | 1:41:20.8 | Bobbi Jo Chapman | USATF Outdoor Champs | 6/21/2003 |
| 92 | 1:41:25 | Solomiya Login | World Cup Trials, Eugene, OR | 4/1/2012 |
| 93 | 1:41:45 | Solomiya Login | Pan Am Cup Trials | 2011 |
| 94 | 1:41:58 | Erin Taylor-Talcott | Pan Am Cup Trials | 2011 |
| 95 | 1:41:59 | Deb Huberty | Namburg, Germany | 5/2/2004 |
| 96 | 1:42:07 | Susan Randall | Pan Am Cup Trials, Huntington Beach, CA | 3/17/2013 |
| 97 | 1:42:10 | Miranda Melville | World Cup Trials, Eugene, OR | 4/1/2012 |
| 98 | 1:42:14 | Michelle Rohl | Chula Vista, CA | 5/17/2003 |
| 99 | 1:42:16 | Erin Gray | World RW Cup, Saransk, Russia | 5/13/2012 |
| 100 | 1:42:26.94 t | Katie Burnett | US Outdoor Champs, Des Moines, IA | 6/23/2013 |
This list represents a best attempt at capturing the fastest 20km women's performances in the USA and was tabulated by Dave Talcott.