| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Dumblewski, Lola R (12)
|
ADSCHE |
1:08.88 |
1:09.93 |
1.05 |
| 2 |
Wightman, Kinnley G (12)
|
ADUN |
1:08.12 |
1:10.91 |
2.79 |
| 3 |
Gloak, Gemma M (12)
|
ADUSAM |
1:20.54 |
1:13.83 |
-6.71 |
| 4 |
Breckenridge, Lucy F (12)
|
ADSCHE |
1:10.15 |
1:14.92 |
4.77 |
| 5 |
Weil, Cadhla L (12)
|
ADSCHE |
1:14.99 |
1:15.39 |
0.40 |
| 6 |
O'Donnell, Bridgett M (12)
|
ADSCHE |
1:35.18 |
1:21.95 |
-13.23 |
| 7 |
Taylor, Natalie (12)
|
ADSCHE |
1:24.32 |
1:22.14 |
-2.18 |
| 8 |
Durfee, Emily G (12)
|
ADSCHE |
1:38.04 |
1:28.20 |
-9.84 |
| 9 |
Rogowski, Isabella S (12)
|
ADSCHE |
1:24.97 |
1:29.78 |
4.81 |
| 10 |
Toomajian, Stella T (12)
|
ADUSAM |
1:45.22 |
1:38.65 |
-6.57 |
| 11 |
Haug, Leah S (12)
|
ADSCHE |
2:10.00 |
1:54.68 |
-15.32 |
|
Schlansker, Bowe V (12)
|
ADSCHE |
2:10.00 |
DQ |
- |
|
Dayton, Haley E (12)
|
ADUSAM |
3:25.22 |
DQ |
- |