| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Gedeon, Anais J (11)
|
FGYSF |
27.37 |
27.96 |
0.59 |
| 2 |
Negrin, Paola (12)
|
FGGRSC |
28.85 |
28.28 |
-0.57 |
| 3 |
Jorge, Sofia (11)
|
FGMACM |
30.33 |
29.06 |
-1.27 |
| 4 |
Idler, Sahara (12)
|
FGMACM |
30.01 |
29.18 |
-0.83 |
| 5 |
Foster, Valentina (12)
|
FGMWA |
29.52 |
29.51 |
-0.01 |
| 6 |
Nieto, Bianca G (12)
|
FGGRSC |
30.92 |
29.59 |
-1.33 |
| 7 |
Wood, Elyse A (12)
|
FGGRSC |
28.76 |
29.89 |
1.13 |
| 8 |
Mantilla, Tania (11)
|
FGMWA |
30.37 |
29.96 |
-0.41 |
| 9 |
Moreno, Sofia (12)
|
FGGRSC |
29.80 |
29.97 |
0.17 |
| 10 |
Martinez, Caitlin (12)
|
FGGRSC |
|
31.01 |
- |
| 11 |
Rosenthal, Reese E (12)
|
FGGRSC |
30.29 |
31.43 |
1.14 |
| 12 |
Macedo, Nicole M (12)
|
FGGRSC |
30.62 |
32.05 |
1.43 |
| 13 |
Grant, Maria P (12)
|
FGGRSC |
32.33 |
32.30 |
-0.03 |
| 14 |
Milano, Mariah L (12)
|
FGGRSC |
35.31 |
33.54 |
-1.77 |
| 15 |
Abril, Sofia V (11)
|
FGGRSC |
36.62 |
34.23 |
-2.39 |
| 16 |
Ruiz, Anett (11)
|
FGMACM |
45.10 |
35.07 |
-10.03 |
| 17 |
Kingston, Sophia (11)
|
FGGRSC |
37.76 |
36.33 |
-1.43 |
| 18 |
Fogel, Julia (12)
|
FGGRSC |
39.16 |
36.92 |
-2.24 |
| 19 |
Turner, Mai B (12)
|
FGYSF |
37.29 |
37.29 |
0.00 |
| 20 |
Santirzo, Kaylie T (12)
|
FGMACM |
|
38.09 |
- |
| 21 |
Valecillos, Valentina (11)
|
FGYSF |
|
38.76 |
- |
| 22 |
Barranco, Christina D (11)
|
FGGRSC |
53.33 |
39.57 |
-13.76 |
| 23 |
Hampton, Shaniya L (11)
|
FGGRSC |
|
41.66 |
- |
| 24 |
Regueira, Meghan N (11)
|
FGMACM |
|
42.92 |
- |
| 25 |
Snyder, Sophia C (11)
|
FGGRSC |
48.65 |
46.22 |
-2.43 |
| 26 |
Marin, Daniela V (11)
|
FGGRSC |
53.20 |
46.49 |
-6.71 |
| 27 |
Ortega, Shany C (11)
|
FGPST |
53.38 |
50.81 |
-2.57 |
|
Guerrero, Mia S (12)
|
FGMWA |
29.90 |
NS |
- |