| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Segone, Irene (17)
|
MRYFD |
1:14.70 |
1:11.03 |
-3.67 |
| 2 |
LePique, Maya F (15)
|
MRRED |
1:14.68 |
1:11.13 |
-3.55 |
| 3 |
Contreras, Genesis C (15)
|
MRYFD |
1:14.33 |
1:11.15 |
-3.18 |
| 4 |
Wang, Laurie (15)
|
MRGATE |
1:21.94 |
1:11.39 |
-10.55 |
| 5 |
Javier, Chrisabella K (15)
|
MRAPEX |
1:12.29 |
1:12.44 |
0.15 |
| 6 |
Chukwulozie, Stella (15)
|
MRMAKO |
1:12.94 |
1:13.02 |
0.08 |
| 7 |
Valadez, Ofelia M (15)
|
MRAPEX |
1:13.55 |
1:13.03 |
-0.52 |
| 8 |
Murillo, Lindsay J (18)
|
MRAPEX |
1:19.75 |
1:21.33 |
1.58 |
| 9 |
Rodriguez, Andrea I (15)
|
MRRED |
1:30.09 |
1:25.16 |
-4.93 |
| 10 |
Maslin, Amy (15)
|
MRMAKO |
1:22.09 |
1:26.23 |
4.14 |
| 11 |
Portoviejo, Alba N (15)
|
MRRED |
1:42.17 |
1:27.26 |
-14.91 |
| 12 |
Portoviejo, Neyda X (15)
|
MRRED |
1:31.90 |
1:30.88 |
-1.02 |
| 13 |
Economakos, Stavroula (16)
|
MRHS |
1:32.44 |
1:33.79 |
1.35 |
| 14 |
Maiolo, Julia (15)
|
MRMAKO |
1:29.89 |
1:34.08 |
4.19 |
| 15 |
Jones, Katherine E (15)
|
MRYFD |
1:48.09 |
1:39.69 |
-8.40 |
| 16 |
Royal-Smith, Jaisha (15)
|
MRKBM |
1:46.90 |
1:57.35 |
10.45 |