| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Bak, Renee C (12)
|
MAJW |
1:21.10 |
1:26.65 |
5.55 |
| 2 |
De Keukelaere, Ellie (12)
|
NJNJBL |
1:25.35 |
1:28.30 |
2.95 |
| 3 |
McCallister, Faith A (12)
|
MDNBAC |
1:29.36 |
1:29.27 |
-0.09 |
| 4 |
Hand, Caroline H (12)
|
NJBAC |
1:29.41 |
1:29.46 |
0.05 |
| 5 |
Karthikvatsan, Deethya (12)
|
NJEEX |
1:29.49 |
1:29.96 |
0.47 |
| 6 |
Vercollone, Ava N (11)
|
MDNBAC |
1:30.05 |
1:30.25 |
0.20 |
| 7 |
Bendis, Carley J (11)
|
MDNBAC |
1:29.94 |
1:30.33 |
0.39 |
| 8 |
Richardson, Davia K (11)
|
MRYMID |
1:24.63 |
1:31.00 |
6.37 |
| 9 |
Fisher, Nia R (12)
|
MDNBAC |
1:28.55 |
1:31.01 |
2.46 |
| 10 |
Geary, Charlotte E (12)
|
NJBAC |
1:29.22 |
1:31.19 |
1.97 |
| 11 |
Euyoque, Nicole A (12)
|
MRWEST |
1:29.80 |
1:31.30 |
1.50 |
| 12 |
Finkelstein, Mari S (12)
|
NJBAC |
1:30.11 |
1:35.46 |
5.35 |