| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Magrath, Scarlett J (10)
|
ADBENN |
|
1:24.36 |
- |
| 2 |
Einsig, Adele M (10)
|
ADBENN |
|
1:25.49 |
- |
| 3 |
Zima, Adelaide G (10)
|
ADSCHE |
1:28.14 |
1:26.56 |
-1.58 |
| 4 |
Harrison, Hayden J (10)
|
ADSCHE |
1:27.75 |
1:26.94 |
-0.81 |
| 5 |
Bansner, Bianca S (10)
|
ADNHA |
1:32.43 |
1:27.02 |
-5.41 |
| 6 |
Massoud, Terrianne S (10)
|
ADNHA |
1:42.11 |
1:28.92 |
-13.19 |
| 7 |
Marchese, Giovanna E (10)
|
ADSCHE |
|
1:31.19 |
- |
| 8 |
Letterman, Alice L (9)
|
ADSCHE |
1:47.16 |
1:35.41 |
-11.75 |
| 9 |
Bong, Violet F (10)
|
ADCLRK |
|
1:36.56 |
- |
| 10 |
Polite Koulouris, Kassandra (8)
|
ADCANA |
|
1:38.04 |
- |
| 11 |
Sfeir, Scarlett G (9)
|
ADSCHE |
1:44.87 |
1:38.33 |
-6.54 |
| 12 |
Reed, Willa S (9)
|
ADCLRK |
1:49.11 |
1:42.34 |
-6.77 |
| 13 |
Puels, Ruby L (9)
|
ADSCHE |
1:42.25 |
1:48.56 |
6.31 |
| 14 |
Andrews, Eva K (9)
|
ADCANA |
|
1:50.83 |
- |
| 15 |
Cahill, Sloane M (10)
|
ADSCHE |
1:47.57 |
1:52.07 |
4.50 |
| 16 |
McCaffrey, Laila G (10)
|
ADCLRK |
1:53.48 |
1:55.41 |
1.93 |
|
Romanovsky, Victoria (10)
|
ADSCHE |
|
DQ |
- |
|
Mohanlall, Layla F (9)
|
ADSCHE |
1:37.58 |
NS |
- |