| Name | Time | Date | Meet |
|---|---|---|---|
| Catherine Felix | 5:04.03 | July 16, 2010 | – |
| Nicole Menzel | 5:19.87 | June 29, 2007 | Speedo Summer Classic LC Invit |
| Lauren Kamperman | 5:22.92 | June 30, 2006 | Speedo Summer Classic LC Invit |
| Christie Beck | 5:26.65 | June 27, 2003 | FL ATAC Long Course Open |
| Christie Beck | 5:29.98 | June 28, 2002 | 2002 ATAC Long Course Open |
