| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Lin, Rong Jia (12)
|
MRQNS |
1:04.34 |
1:05.36 |
1.02 |
| 2 |
Cotto, Jessica I (12)
|
MRQNS |
1:04.36 |
1:05.67 |
1.31 |
| 3 |
Vazquez, Kimberly (11)
|
MRAPEX |
1:20.94 |
1:11.30 |
-9.64 |
| 4 |
Hatcher-Miranda, Ava (11)
|
MRAPEX |
1:22.74 |
1:15.00 |
-7.74 |
| 5 |
Oyola, Edalene F (12)
|
MRKBM |
1:15.65 |
1:15.39 |
-0.26 |
| 6 |
Yang, Adena N (11)
|
MRQNS |
|
1:18.01 |
- |
| 7 |
Hatcher-Miranda, Noelle (11)
|
MRAPEX |
1:28.53 |
1:18.47 |
-10.06 |
| 8 |
Nishizaka, Lina (11)
|
MRQNS |
1:21.07 |
1:21.95 |
0.88 |
| 9 |
Pipoli, Bianca N (11)
|
MRQNS |
1:28.36 |
1:22.83 |
-5.53 |
| 10 |
Nguyen, Sara (12)
|
MRKBM |
1:20.94 |
1:23.09 |
2.15 |
| 11 |
Lu, Lauren (11)
|
MRHS |
1:23.11 |
1:26.63 |
3.52 |
| 12 |
Barbier, Jessica (12)
|
MRAPEX |
1:51.97 |
1:54.04 |
2.07 |