| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Valentini, Diana V (16)
|
MRPAC |
1:09.09 |
1:10.16 |
1.07 |
| 2 |
Brulinski, Natalia E (16)
|
MRQNS |
1:12.65 |
1:14.65 |
2.00 |
| 3 |
Ureta, Alia M (15)
|
NJJFAC |
1:14.50 |
1:14.69 |
0.19 |
| 4 |
Psilopoulos, Andie J (15)
|
MRWFAC |
1:11.10 |
1:14.94 |
3.84 |
| 5 |
Dahiya, Sophie U (15)
|
NJJFAC |
1:16.54 |
1:16.74 |
0.20 |
| 6 |
Correa, Olivia (15)
|
MRTRI |
1:17.19 |
1:18.09 |
0.90 |
| 7 |
Ha, Kara (15)
|
MRLIFE |
1:18.58 |
1:18.39 |
-0.19 |
| 8 |
Mykytenko, Sofia (15)
|
MRTRI |
1:24.07 |
1:23.61 |
-0.46 |
| 9 |
Marrero, Marita N (17)
|
NJJFAC |
1:24.89 |
1:25.24 |
0.35 |
| 10 |
Jimenez, Mae (15)
|
MRPAC |
1:43.20 |
1:27.17 |
-16.03 |
| 11 |
Halligan, Caitlyn (15)
|
MRTRI |
1:30.05 |
1:28.76 |
-1.29 |
| 12 |
Charlemagne, Sianna (16)
|
MRQNS |
1:36.76 |
1:33.91 |
-2.85 |
|
Tan, Marisol N (16)
|
MRBGNW |
1:12.55 |
NS |
- |