6 swimmers
| # | Swimmer | Team | LSC | Time | Date |
|---|---|---|---|---|---|
| 1 | Isabelle Sexson SAC | SAC | AZ | 3:05.80 | 2015-01-10 |
| 2 | Holli Johnson AZPHO | AZPHO | AZ | 3:08.45 | 2010-01-30 |
| 3 | Alden Brown AZPHO | AZPHO | AZ | 3:13.14 | 2011-01-29 |
| 4 | Stephanie Flores SAC | SAC | AZ | 3:20.52 | 2014-03-22 |
| 5 | Bryce Shuffler AZKIN | AZKIN | AZ | 4:16.41 | 2013-01-25 |
| 6 | Callie Wright AZSWI | AZSWI | AZ | 4:35.33 | 2013-01-25 |