| AGE | TIME | NAME | NAME | HOMETOWN | STATE | RACE | LOCATION | STATE | DATE | |
| 15 | 4:01:14 | Christy | Orthmann | Tallahassee | FL | Ultradistance Classic | Tallahassee | FL | 12/17/83 | |
| 15 | 7:19:55 | Catherine | Cuda | Phoenix | AZ | Across The Years | Litchfield Park | AZ | 12/29/07 | |
| record | 23 | 3:13:51 | Janis | Klecker | Wayzata | MN | Ultradistance Classic | Tallahassee | FL | 12/17/83 |
| pending | 41 | 3:28:30 | Mary | Coordt | IAU 50k | Galway | 08/29/10 | |||
| record | 41 | 3:44:32 | Jan | Kreuz | Cincinatti | OH | Wolfpack Fall Classic | Columbus | OH | 10/30/88 |
| 42 | 3:29:20 | Kami | Semick | Bend | OR | USA 50km Champs Caumsett Pk | Lloyd Neck LI | NY | 03/01/09 | |
| pending-s | 43 | 3:29:48 | Kami | Semick | Bend | OR | IAU 50k | Gibraltar | 10/31/09 | |
| 43 | 4:00:09 | Connie | Gardener | Medina | OH | USA 50km Champs Caumsett Pk | Lloyd Neck LI | NY | 03/04/07 | |
| 45 | 4:40:11 | Sue Ellen | Trapp | Ft. Myers | FL | Megan's Run 24 Hr | Portland | OR | 09/28/91 | |
| record | 47 | 3:32:34 | Sandra | Kiddy | Palm Springs | CA | Ultra Distance Classic | Tallahassee | FL | 12/17/83 |
| pending | 51 | 3:56:09 | Beth | Moras | Ridgewood | NJ | Lakefront 50 | Chicago | IL | 10/30/10 |
| 52 | 5:19:13 | Sue Ellen | Trapp | Ft. Myers | FL | USA 24 Hour Championship | Sylvania | OH | 09/19/98 | |
| 53 | 4:10:47 | Dee Dee | Grafius | Modesto | CA | Jed Smith Ultra Classic | Sacramento | CA | 02/08/03 | |
| 53 | 4:15:12 | Matilee | Christman | Des Plains | IL | Running Central | East Peoria | IL | 12/30/84 | |
| 53 | 4:58:39 | Sue Ellen | Trapp | Ft. Meyers | FL | USA 24 Hour Championship | Sylvania | OH | 09/18/99 | |
| record | 54 | 4:00:23 | Kathryn | Martin | Northport | NY | USA 50km Champs Caumsett Pk | Lloyd Neck LI | NY | 03/05/06 |
| record | 55 | 3:56:55 | Sandra | Kiddy | Bishop | CA | Del Passatore | Washington | DC | 10/17/92 |
| 56 | 5:01:12 | Matilee | Christman | Des Plaines | IL | AMJA Ultra | Chicago | IL | 10/04/87 | |
| 59 | 5:34:03 | Adele | Milicevic | Scottsdale | AZ | Emily Gray | Tuscon | AZ | 01/04/86 | |
| record | 60 | 3:58:30 | Kathryn | Martin | Northport | NY | USA 50km Champs Caumsett Pk | Lloyd Neck LI | NY | 03/04/12 |
| 61 | 4:57:56 | Betty | Horstmann | NY | USA 50km Champs Caumsett Pk | Lloyd Neck LI | NY | 03/04/07 | ||
| 62 | 6:47:48 | Sarann | Mock | Cincinnati | OH | USA National Championship | Sylvania | OH | 09/19/93 | |
| 63 | 6:39:01 | Sarann | Mock | Cincinnati | OH | USA National Championship | Sylvania | OH | 09/18/94 | |
| 64 | 5:00:29 | Josephine | Hess | Selah | WA | Yakima Valley | Yakima | WA | 04/25/82 | |
| 65 | 5:11:50 | Josephine | Hess | Selah | WA | Yakima Valley | Yakima | WA | 04/24/83 | |
| 66 | 4:52:51 | Myra | Rhodes | Sacramento | CA | Jed Smith Ultra Classic | Sacramento | CA | 02/13/99 | |
| record | 67 | 4:50:50 | Myra | Rhodes | Sacramento | CA | Helen Klein Ultra Classic | Sacramento | CA | 11/13/99 |
| record | 70 | 4:48:23 | Myra | Rhodes | Sacramento | CA | Jed Smith Ultra Classic | Sacramento | CA | 02/08/03 |
| 70 | 5:44:04 | Helen | Klein | Rancho Cordova | CA | USA National Championship | Sylvania | OH | 09/19/93 | |
| 75 | 6:10:32 | Helen | Klein | Rancho Cordova | CA | Helen Klein Ultra Classic | Sacramento | CA | 11/14/98 | |
| 77 | 6:10:24 | Helen | Klein | Rancho Cordova | CA | Helen Klein Ultra Classic | Sacramento | CA | 11/11/00 | |
| record | 79 | 6:05:16 | Helen | Klein | Rancho Cordova | CA | Jed Smith Ultra Classic | Sacramento | CA | 02/09/02 |
| record | 80 | 5:57:53 | Helen | Klein | Rancho Cordova | CA | Jed Smith Ultra Classic | Sacramento | CA | 02/08/03 |