| Rank | Name | Team | Time | Venue |
| 1 | ARIARNE TITMUS | STPET | 3:54.58 | Brisbane |
| 2 | LEAH NEALE | CHAND | 3:58.80 | Brisbane |
| 3 | PHOEBE HINES | USCS | 4:01.69 | Brisbane |
| 4 | LANI PALLISTER | CTREE | 4:02.38 | Brisbane |
| 5 | DAHLAS ROGERS | USCS | 4:05.06 | Brisbane |
| 6 | MADISON WILSON | MARI | 4:05.75 | Sydney |
| 7 | MOESHA JOHNSON | TSS | 4:06.07 | Brisbane |
| 8 | MIKAYLA MESSER | NCOLL | 4:07.23 | Brisbane |
| 9 | BRITTANY CASTELLUZZO | TTG | 4:09.57 | Sydney |
| 10 | LAURA TAYLOR | TSS | 4:10.43 | Brisbane |
| 11 | CHARLOTTE MITCHELL | NCOLL | 4:12.30 | Brisbane |
| 12 | SOPHIE CALDWELL | NUN | 4:12.48 | Melbourne |
| 13 | REBECCA JACOBSON | RACKL | 4:12.67 | Brisbane |
| 14 | JESSICA LAVIN | YERPK | 4:14.16 | Brisbane |
| 15 | JACQUELINE DAVISON-MCGOVERN | YERPK | 4:14.57 | Brisbane |
| 16 | OLIVIA LEFOE | MLC | 4:15.23 | Melbourne |
| 17 | BETHAN MUNFIELD | MARI | 4:16.07 | Sydney |
| 18 | LEXI HARRISON | NBSC | 4:16.56 | Sydney |
| 19 | BIANCA CRISP | TSS | 4:16.79 | Brisbane |
| 20 | KIRRALEE SHEPHERD | MLC | 4:17.56 | Melbourne |
| 21 | GRACE HULL | SHILD | 4:18.87 | Perth |
| 22 | GEORGIA PENDERGAST | KAWTR | 4:19.73 | Brisbane |
| 23 | MIKAYLA STUART | PWCAL | 4:19.78 | Brisbane |
| 24 | IMOGEN WASSING | PWCAL | 4:20.06 | Brisbane |
| 25 | DOMINIQUE MELBOURN | WRAQ | 4:20.74 | Sydney |
| 26 | JAIMIE DELUTIIS | WIAQ | 4:22.13 | Sydney |
| 27 | LAUREN MAGUIRE | STAND | 4:23.47 | Brisbane |
| 28 | ALEXANDRA LAWRENCE | LNSC | 4:23.67 | Sydney |
| 29 | MADISON COOPER | GEE | 4:23.85 | Melbourne |
| 30 | CHANTELLE UNDERWOOD | NUN | 4:24.87 | Melbourne |
| 31 | MAGALI OGG | NBSC | 4:29.50 | Sydney |
| 32 | GEORGIA WATKINS | UNAT | 4:31.16 | Melbourne |
| 33 | OLIVIA LIZANA | SSAQU | 4:32.64 | Brisbane |
| 34 | ABBY HARRINGTON | NUN | 4:34.39 | Melbourne |
| 35 | BRIANNA DONATO | PROP | 4:37.83 | Melbourne |
| 36 | TIFFANY WALSH | NBSC | 4:39.54 | Sydney |
| KIAH MELVERTON | TSS | DQ | Brisbane | |
| MADELEINE GOUGH | TSS | DQ | Brisbane |