| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Ly, Sinead (15)
|
NESNAP |
1:15.00 |
1:13.05 |
-1.95 |
| 2 |
Sheeley, Alaura A (15)
|
ADHAWK |
1:13.57 |
1:13.75 |
0.18 |
| 3 |
Dheeradhada, Alyssa J (15)
|
ADALBS |
1:22.94 |
1:22.52 |
-0.42 |
| 4 |
Gaffney, Chloe E (13)
|
ADHAWK |
1:29.39 |
1:22.78 |
-6.61 |
| 5 |
McDonald, Lily (15)
|
NESNAP |
1:24.10 |
1:23.67 |
-0.43 |
| 6 |
McCarthy, Harper F (13)
|
ADSARY |
1:24.38 |
1:23.94 |
-0.44 |
| 7 |
Cartier, Aila C (15)
|
ADSARY |
1:21.90 |
1:25.78 |
3.88 |
| 8 |
Fontes-Janusz, Dela R (13)
|
ADHAWK |
|
1:26.47 |
- |
| 9 |
Carroll, Abigail E (16)
|
ADALBS |
|
1:33.74 |
- |
| 10 |
Smoote-Keeler, Isabella C (13)
|
ADALBS |
1:52.38 |
1:43.62 |
-8.76 |
| 11 |
Fleury-Belman, Mirabelle (13)
|
NESNAP |
1:56.95 |
1:53.24 |
-3.71 |
|
Carroll, Hannah M (16)
|
ADALBS |
|
NS |
- |
|
Laurie, Josephine S (13)
|
ADHAWK |
1:22.88 |
NS |
- |
|
Holmes, Zoe (17)
|
NESNAP |
1:15.15 |
NS |
- |
|
Dunbar, Georgia B (13)
|
ADUSAM |
1:33.27 |
NS |
- |