| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Qu, Elizabeth C (12)
|
MRMWDA |
1:14.84 |
1:14.39 |
-0.45 |
| 2 |
Bartolacci, Abigail J (12)
|
MRRA |
1:17.81 |
1:16.27 |
-1.54 |
| 3 |
Rivera, Jacqueline (12)
|
MRNBS |
1:11.07 |
1:19.28 |
8.21 |
| 4 |
Benjamin, Mia (12)
|
MRRA |
1:22.78 |
1:19.94 |
-2.84 |
| 5 |
McAuley, Nadia A (11)
|
MRAGMV |
1:23.66 |
1:22.54 |
-1.12 |
| 6 |
Gregersen, Leah (11)
|
MRRA |
1:25.62 |
1:23.00 |
-2.62 |
| 7 |
Moon, Isabella S (12)
|
MRNYSA |
1:21.77 |
1:23.34 |
1.57 |
| 8 |
Cornine, Mary Catherine A (11)
|
MRYBAR |
1:31.37 |
1:25.38 |
-5.99 |
| 9 |
Dovgan, Anna T (12)
|
MRMWDA |
1:24.61 |
1:27.40 |
2.79 |
| 10 |
Fairfax, Vanessa A (12)
|
MRMWDA |
1:52.95 |
1:40.21 |
-12.74 |
| 11 |
Shaw, Skylar A (12)
|
MRMWDA |
1:48.80 |
1:47.02 |
-1.78 |