| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Lam, Kylie L (10)
|
MRNYCP |
1:28.17 |
1:22.03 |
-6.14 |
| 1 |
Huang, Cheri K (10)
|
MRHS |
1:26.77 |
1:26.38 |
-0.39 |
| 2 |
Finchelstein, Gabriela (10)
|
MRRIST |
1:28.44 |
1:22.04 |
-6.40 |
| 2 |
Minster, Logan M (10)
|
MRLIE |
1:29.28 |
1:27.32 |
-1.96 |
| 3 |
Anzalone, Leah A (10)
|
MRLIE |
1:28.23 |
1:28.69 |
0.46 |
| 4 |
Bennett, Ellen S (10)
|
MRLIE |
1:27.42 |
1:29.16 |
1.74 |
| 5 |
Lally, Keely M (10)
|
MRHS |
1:31.34 |
1:30.53 |
-0.81 |
| 6 |
Constantino, Kelly E (10)
|
MRWEST |
1:37.79 |
1:33.37 |
-4.42 |
| 7 |
Villagonzalo, Lea S (10)
|
MRLIE |
1:30.79 |
1:35.15 |
4.36 |
| 8 |
Harkins, Morgan P (10)
|
MRLIE |
1:31.28 |
1:35.71 |
4.43 |
|
Brun, Sienna R (10)
|
MRAPEX |
1:33.43 |
DQ |
- |
|
Kulins, Caitlin R (10)
|
MRLIE |
1:28.77 |
DQ |
- |