| Place | Swimmer | Age | Club | Time | Std | Power pts |
|---|---|---|---|---|---|---|
| 1 | Chloe Coon | 16 | NIWEBS | 1:15.28 | — | 319 |
| 2 | Emilee Catalano | — | NIGRAT | 1:18.67 | — | 274 |
| 3 | Claire Foster | — | NIPACK | 1:23.39 | BB | 382 |
| 4 | Zoya Sheikh | 12 | NIPACK | 1:23.44 | B | 274 |
| 5 | Genevieve Johnston | 14 | NIFAST | 1:24.77 | — | 237 |
| 6 | Sophia Mirrione | 14 | NIFAST | 1:25.76 | — | 229 |
| 7 | Addison Harold | 12 | NIPACK | 1:26.45 | — | 247 |
| 8 | Isla Marino | — | NIPACK | 1:27.55 | BB | 330 |
| 9 | Elizabeth Yu | 8 | NIPACK | 1:28.30 | BB | — |
| 10 | Olivia Koenig | 12 | NIWEBS | 1:30.76 | — | 213 |
| 11 | Blake Bogan | 12 | NIFAST | 1:32.23 | — | 194 |
| 12 | Olivia Stevens | — | NIFAST | 1:33.47 | — | 195 |
| 13 | Elise Miller | 8 | NIPACK | 1:36.75 | BB | — |
| 14 | Masataka Tsuji | 10 | NIWEBS | 1:38.50 | BB | 230 |
| 15 | Catherine Dastyck | 11 | NIWEBS | 1:43.62 | — | 167 |
| 16 | Emily Ni | — | NIWEBS | 1:46.33 | B | 233 |
| 17 | Brianna Leusch | — | NIFAST | 1:53.31 | — | 128 |
| 18 | Michaela Abate | — | NIFAST | 1:53.88 | — | 126 |
| 19 | Emma Massecar | — | NIWEBS | 1:54.34 | — | 124 |
| 20 | Marlena Morgan | — | NIPACK | 1:57.81 | — | 135 |
| 21 | Zoey Adams | 11 | NIWEBS | 2:05.10 | — | 95 |