| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Torello-Viera, Martina S (13)
|
MRNYSA |
1:07.27 |
1:04.31 |
-2.96 |
| 2 |
Zhou, Katherine (14)
|
MRUN-A |
1:06.73 |
1:06.47 |
-0.26 |
| 3 |
Nunez, Gabriela B (14)
|
MRRFAC |
1:07.52 |
1:08.21 |
0.69 |
| 4 |
Stamm, Rosemary E (13)
|
MREAST |
1:10.47 |
1:09.01 |
-1.46 |
| 5 |
Yanez, Rocio (14)
|
CTGRYM |
1:09.13 |
1:09.75 |
0.62 |
| 6 |
Wong, Kristen A (13)
|
MRAPEX |
1:14.31 |
1:12.57 |
-1.74 |
| 7 |
Vintimilla, Samantha (14)
|
MRNYCP |
1:17.15 |
1:14.95 |
-2.20 |
| 8 |
Dewhurst, Julia J (14)
|
MRAG |
1:07.84 |
1:15.34 |
7.50 |
| 9 |
Bailey, Alexandra M (14)
|
CTGRYM |
1:14.20 |
1:18.51 |
4.31 |
| 10 |
Rios, Madeline E (13)
|
MRNYSA |
1:28.01 |
1:21.13 |
-6.88 |
| 11 |
Ge, Xinrui (13)
|
MRAPEX |
1:14.50 |
1:22.13 |
7.63 |
| 12 |
Diaz, Jelena M (14)
|
MRNYSA |
1:19.98 |
1:23.16 |
3.18 |
| 13 |
Portoviejo, Neyda X (14)
|
MRRED |
1:31.90 |
1:35.36 |
3.46 |
| 14 |
Muscarella, Katrina L (13)
|
MRYBAR |
2:02.08 |
1:56.39 |
-5.69 |
|
Lopez, Isabella S (13)
|
MRYMID |
1:11.15 |
DQ |
- |