| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Cote, Mariana (14)
|
FGMWA |
54.61 |
54.85 |
0.24 |
| 2 |
Bellardi, Nicol A (14)
|
FGMWA |
54.65 |
54.91 |
0.26 |
| 3 |
Lopez-Diaz, Emily L (14)
|
FGMWA |
53.87 |
55.19 |
1.32 |
| 4 |
Gonzalez, Paola I (14)
|
FGMACM |
56.62 |
56.36 |
-0.26 |
| 5 |
Villamil, Ana M (14)
|
FGMWA |
57.95 |
57.37 |
-0.58 |
| 6 |
Musiello, Giovanna P (13)
|
FGGRSC |
56.15 |
57.47 |
1.32 |
| 7 |
Perez, Caroline M (13)
|
FGBMSC |
57.58 |
59.08 |
1.50 |
| 8 |
Franco, Emily E (14)
|
FGMACM |
57.26 |
59.36 |
2.10 |
| 9 |
Kuchar, Scarlett J (13)
|
FGPST |
1:09.48 |
1:03.61 |
-5.87 |
| 10 |
Virto, Mia (14)
|
FGMWA |
1:04.32 |
1:03.74 |
-0.58 |
| 11 |
Saballos, Fabiola (14)
|
FGPST |
1:02.69 |
1:04.95 |
2.26 |
| 12 |
Ortiz, Daniela S (14)
|
FGMWA |
1:07.14 |
1:05.04 |
-2.10 |
| 13 |
Vegas, Maria V (13)
|
FGYSF |
1:05.97 |
1:05.85 |
-0.12 |
| 14 |
Torres-Torres, Nicole M (14)
|
FGGRSC |
1:07.50 |
1:06.23 |
-1.27 |
| 15 |
Catalan, Alba (13)
|
FGYSF |
|
1:07.23 |
- |
| 16 |
Becker, Mikayla A (14)
|
FGPST |
1:07.85 |
1:07.83 |
-0.02 |
| 17 |
Juskiewicz, Abigail E (13)
|
FGPST |
1:04.47 |
1:07.96 |
3.49 |
| 18 |
Hernandez, Valeria (14)
|
FGYSF |
1:10.67 |
1:13.47 |
2.80 |
| 19 |
Feudo, Jillian G (14)
|
FGPST |
1:18.75 |
1:18.84 |
0.09 |
|
Mccray, Autumn (13)
|
FGBMSC |
1:17.31 |
NS |
- |
|
Zamora, Luciana A (14)
|
FGMWA |
1:07.53 |
NS |
- |
|
Albertario, Stefany J (13)
|
FGYSF |
1:07.71 |
NS |
- |