| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Gonzalez, Angelika (16)
|
MRKBM |
1:01.97 |
1:02.70 |
0.73 |
| 2 |
Perez, Clara A (15)
|
MRRED |
1:03.30 |
1:03.17 |
-0.13 |
| 3 |
Horwitz, Rebecca A (15)
|
MRMAKO |
1:02.43 |
1:03.27 |
0.84 |
| 4 |
Poslednik, Anna Maria (15)
|
MRLGAC |
1:05.53 |
1:05.28 |
-0.25 |
| 5 |
Portoviejo, Salma O (16)
|
MRRED |
1:06.83 |
1:05.80 |
-1.03 |
| 6 |
Lugo, Sofia (15)
|
MRCAS |
1:06.09 |
1:06.08 |
-0.01 |
| 7 |
Murillo, Lindsay J (15)
|
MRAPEX |
1:08.83 |
1:08.81 |
-0.02 |
| 8 |
Hill, Eleanor J (15)
|
MRRED |
1:09.07 |
1:08.87 |
-0.20 |
| 9 |
Schelchere, Montana (15)
|
MRHES |
1:05.29 |
1:08.91 |
3.62 |
| 10 |
Leonard, Caitlin M (16)
|
MRAPEX |
1:07.50 |
1:08.99 |
1.49 |
| 11 |
Yurchenko, Jasmine V (15)
|
MRHES |
1:09.16 |
1:11.10 |
1.94 |
| 12 |
Velazquez, Jerishka M (16)
|
MRKBM |
1:13.03 |
1:11.14 |
-1.89 |
| 13 |
Santana, Miabella (15)
|
MRKBM |
1:12.79 |
1:11.46 |
-1.33 |
| 14 |
Carrasquillo, Ariana M (15)
|
MRKBM |
1:12.02 |
1:12.15 |
0.13 |
| 15 |
Duer, Samantha L (15)
|
MRRED |
1:10.93 |
1:12.68 |
1.75 |
| 16 |
Herrera, Elsie (16)
|
MRRED |
1:18.35 |
1:23.19 |
4.84 |
| 17 |
Gonzales, Patricia (15)
|
MRTSC |
1:31.74 |
1:29.27 |
-2.47 |
| 18 |
Gonzales, Paola (15)
|
MRTSC |
1:33.13 |
1:32.35 |
-0.78 |
| 19 |
Roman, Shayea (16)
|
MRTSC |
1:44.75 |
1:42.35 |
-2.40 |