| Name | Time | Date | Meet |
|---|---|---|---|
| Alex Shackell | 47.44 | Dec. 10, 2022 | Speedo Winter Junior Championship East |
| Alex Shackell | 48.25 | Oct. 29, 2022 | 2022 IN CSC Fall Frenzy |
| Kelly Pash | 48.55 | Dec. 9, 2017 | Speedo Winter Junior Championships - East |
| Veronica Burchill | 49.05 | Dec. 6, 2014 | AT&T Winter Nationals - College Results |
| Rachel Hayden | 50.96 | Dec. 14, 2013 | Speedo Winter Junior National Championships |
| Rhiannon Sheets | 51.15 | Dec. 4, 2010 | USA Swimming Short Course National Championships |
| Erin Sparks | 51.82 | March 6, 2003 | American Short Course Championships |
