| # | Swimmer | Team | Seed | Time | Diff |
| 3 |
Kleiban, Stephanie A (10)
|
FGCM |
1:16.86 |
1:12.08 |
-4.78 |
| 4 |
Solis, Natasha J (10)
|
FGCM |
1:11.52 |
1:13.20 |
1.68 |
| 5 |
De La Osa, Amanda C (10)
|
FGHSC |
1:14.96 |
1:14.10 |
-0.86 |
| 7 |
Mohammed, Alexia T (10)
|
FGCM |
1:12.59 |
1:15.07 |
2.48 |
| 8 |
Smith, Layne (10)
|
FGFKSC |
1:17.22 |
1:15.56 |
-1.66 |
| 17 |
Hinton, Lissette J (9)
|
FGHSC |
1:21.53 |
1:18.22 |
-3.31 |
| 18 |
Sanches, Anarebeca (10)
|
FGCM |
1:21.71 |
1:19.02 |
-2.69 |
| 20 |
Jurado, Catalina (9)
|
FGHSC |
1:20.92 |
1:20.16 |
-0.76 |
| 21 |
Dinehart, Elise I (9)
|
FGAKS |
1:18.91 |
1:20.24 |
1.33 |
| 22 |
Marko, Isabella M (10)
|
FGCM |
1:28.72 |
1:20.72 |
-8.00 |
| 23 |
Boarato, Manuela D (10)
|
FGGRSC |
1:27.32 |
1:24.35 |
-2.97 |
| 24 |
Cardenas Uribe, Catalina R (10)
|
FGGRSC |
1:26.63 |
1:26.77 |
0.14 |
| 28 |
Toledo, Sophia B (9)
|
FGAKS |
|
1:27.82 |
- |
| 30 |
Revilla, Rebeca (10)
|
FGASC |
1:34.09 |
1:29.14 |
-4.95 |
| 32 |
Sosa, Sophia N (10)
|
FGGRSC |
1:31.67 |
1:29.92 |
-1.75 |
| 35 |
Vega-Mendez, Danette (8)
|
FGASC |
1:38.31 |
1:34.12 |
-4.19 |
| 42 |
Andonov, Juliana (8)
|
FGEA |
1:46.27 |
1:38.77 |
-7.50 |
| 46 |
Bahniuk, Luiza H (8)
|
FGGRSC |
1:54.67 |
1:47.07 |
-7.60 |
| 47 |
Cardenas Uribe, Francisca (8)
|
FGGRSC |
1:55.95 |
1:47.37 |
-8.58 |
| 49 |
Blanco, Alexandra (7)
|
FGASC |
|
1:49.94 |
- |