| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Rampersad, Kiera J (12)
|
FGNMST |
34.53 |
33.92 |
-0.61 |
| 2 |
Vazquez, Ayelen (12)
|
FGOSC |
41.25 |
37.99 |
-3.26 |
| 3 |
Dekalo, Arina (12)
|
FGNMST |
40.34 |
40.60 |
0.26 |
| 4 |
Linfield, Sophia H (11)
|
FGRANS |
|
41.41 |
- |
| 5 |
Kelble, Calla N (12)
|
FGMS |
40.27 |
41.44 |
1.17 |
| 6 |
Pallot, Sora (12)
|
FGMCDA |
43.88 |
43.33 |
-0.55 |
| 7 |
Quintane, Olivia (12)
|
FGMCDA |
|
44.33 |
- |
| 8 |
Schechter, Chloe V (11)
|
FGCANE |
45.31 |
44.55 |
-0.76 |
| 9 |
Barranco, Christina D (11)
|
FGGRSC |
45.42 |
44.56 |
-0.86 |
| 10 |
Snyder, Sophia C (11)
|
FGGRSC |
46.49 |
44.63 |
-1.86 |
| 11 |
Zaney, Kaia L (12)
|
FGEA |
51.53 |
45.86 |
-5.67 |
| 12 |
Reno, Norah J (11)
|
FGCANE |
47.19 |
46.32 |
-0.87 |
| 13 |
Vila-Jones, Sofia C (12)
|
FGMCDA |
48.15 |
47.58 |
-0.57 |
| 14 |
Lopez, Alani (11)
|
FGAJSC |
53.21 |
48.80 |
-4.41 |
| 15 |
McGuinn, Meghan V (11)
|
FGMCDA |
55.05 |
49.40 |
-5.65 |
| 16 |
Klokova, Veronika (12)
|
FGNMST |
50.30 |
49.60 |
-0.70 |
| 17 |
Collazo-Wood, Estefania (12)
|
FGOSC |
52.79 |
50.74 |
-2.05 |
| 18 |
Carli, Caterina (11)
|
FGMCDA |
51.09 |
51.17 |
0.08 |
| 19 |
Fernandez, Natalia (12)
|
FGMCDA |
|
1:03.38 |
- |
|
Sarria, Lucianna M (11)
|
FGMCDA |
56.12 |
DQ |
- |
|
Vila-Jones, Luca V (12)
|
FGMCDA |
|
NS |
- |
|
Aguado-Guerrero, Candela (11)
|
FGRANS |
54.26 |
NS |
- |
|
Hampton, Shaniya L (11)
|
FGGRSC |
43.40 |
NS |
- |
|
Goldstein, Gwyneth (12)
|
FGMCDA |
41.79 |
NS |
- |
|
Schoolman-Wood, Orly C (11)
|
FGCANE |
52.47 |
NS |
- |