| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Kwok, Joyce B (24)
|
MRLGAC |
1:01.26 |
1:04.50 |
3.24 |
| 2 |
Youssef, Lara S (17)
|
MRLGAC |
1:04.08 |
1:05.90 |
1.82 |
| 3 |
Rodriguez, Emily M (17)
|
MRLGAC |
1:05.93 |
1:08.33 |
2.40 |
| 4 |
Fan, Alyssa Y (15)
|
MRMAKO |
1:10.01 |
1:12.80 |
2.79 |
| 5 |
Corbett, Kymora C (16)
|
MRMAKO |
1:10.89 |
1:15.34 |
4.45 |
| 6 |
Sucher, Sarah (17)
|
MRMAKO |
1:07.82 |
1:17.58 |
9.76 |
| 7 |
Duggan, Isabella M (16)
|
MRCAS |
1:15.81 |
1:18.58 |
2.77 |
| 8 |
Leal, Nancy (16)
|
MRRED |
1:11.44 |
1:19.26 |
7.82 |
| 9 |
Zhao, Joanna J (16)
|
MRAPEX |
1:15.50 |
1:20.17 |
4.67 |
| 10 |
Chau, Germayne T (16)
|
MRCIY |
1:14.63 |
1:20.71 |
6.08 |
| 11 |
Suzana, Arlene (17)
|
MRAPEX |
1:16.13 |
1:20.99 |
4.86 |
| 12 |
Miriyagalla, Vaishali (15)
|
MRCFJV |
1:24.30 |
1:21.80 |
-2.50 |
| 13 |
Lennon, Caroline N (15)
|
MRSS |
1:17.99 |
1:21.88 |
3.89 |
| 14 |
Javier, Chrisabella K (16)
|
MRAPEX |
1:15.33 |
1:23.18 |
7.85 |
| 15 |
Mulakandov, Leiel (15)
|
MRQNS |
1:24.04 |
1:23.99 |
-0.05 |
| 16 |
Mulakandov, Raquel (15)
|
MRQNS |
1:27.22 |
1:26.39 |
-0.83 |
| 17 |
Lastras-Castrejon, Daniela (16)
|
MRCFJV |
1:29.39 |
1:30.81 |
1.42 |
| 18 |
Miriyagalla, Amaavi (17)
|
MRCFJV |
1:23.64 |
1:34.05 |
10.41 |
| 19 |
Gousse, Caitlyn L (15)
|
MRCIY |
1:36.74 |
1:36.13 |
-0.61 |
| 20 |
Garcia, Fritzi (17)
|
MRCAS |
1:32.39 |
1:40.21 |
7.82 |