| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Martorello, Gianna M (9)
|
MRBGNW |
1:21.17 |
1:21.20 |
0.03 |
| 2 |
O'Donnell, Katherine A (9)
|
MRBGNW |
1:22.29 |
1:21.61 |
-0.68 |
| 3 |
Ho, Audrey J (9)
|
MRBGNW |
1:35.09 |
1:27.33 |
-7.76 |
| 4 |
Lee, Cherry (9)
|
MRLIAC |
1:28.33 |
1:28.48 |
0.15 |
| 5 |
Chen, Cindy W (9)
|
MRBGNW |
1:28.11 |
1:29.44 |
1.33 |
| 6 |
Caiazzo, Victoria L (8)
|
MRBGNW |
1:42.25 |
1:33.97 |
-8.28 |
| 7 |
Cefaloni, Gabriella J (9)
|
MRAG |
1:30.00 |
1:36.59 |
6.59 |
| 8 |
Wang, Isabel Y (8)
|
MRBGNW |
1:54.49 |
1:49.49 |
-5.00 |
| 9 |
Buliung, Madison V (9)
|
MRAG |
1:42.09 |
1:51.28 |
9.19 |
|
Bacchetta, Isabella J (9)
|
MRUN |
|
DQ |
- |
|
Saiz, Amanda J (9)
|
MRNYSA |
|
NS |
- |