| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Alexander, Sinceraty D (15)
|
MRBGNW |
1:09.94 |
1:15.15 |
5.21 |
| 2 |
Laurenceau, Alyssa M (16)
|
MRYMID |
1:13.40 |
1:16.46 |
3.06 |
| 3 |
Perez, Miranda M (15)
|
MRKBM |
1:15.35 |
1:17.20 |
1.85 |
| 4 |
Wohl, Katharine A (16)
|
MRBGNW |
1:16.00 |
1:17.50 |
1.50 |
| 5 |
Desiderio, Sarah P (15)
|
MRBGNW |
1:17.82 |
1:19.00 |
1.18 |
| 6 |
Ford, Sydney E (17)
|
MRBGNW |
1:19.64 |
1:23.11 |
3.47 |
| 7 |
Gualtiere, Isabella K (16)
|
MRBGNW |
1:19.72 |
1:25.53 |
5.81 |
| 8 |
Cedeno, Sofia M (15)
|
MRYMID |
1:26.30 |
1:28.56 |
2.26 |
| 9 |
Royal-Smith, Jaisha (16)
|
MRKBM |
1:38.50 |
1:39.90 |
1.40 |
|
Suzuki, Yuiko (15)
|
MRYMID |
1:25.20 |
DQ |
- |