| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Salcedo, Miranda (10)
|
FGASC |
37.23 |
37.97 |
0.74 |
| 2 |
Perry, Francesca R (7)
|
FGSOFL |
46.04 |
42.39 |
-3.65 |
| 3 |
Dekalo, Arina (10)
|
FGMSAT |
|
42.67 |
- |
| 4 |
Fogli, Caterina (10)
|
FGSOFL |
40.45 |
43.51 |
3.06 |
| 5 |
Montenegro, Makayla E (8)
|
FGMACM |
46.32 |
45.73 |
-0.59 |
| 6 |
Cifuentes, Valeria (9)
|
FGCM |
50.09 |
46.15 |
-3.94 |
| 7 |
Jean, Sa'Niyah A (10)
|
FGOSC |
|
47.52 |
- |
| 8 |
Andonov, Juliana (8)
|
FGEA |
54.21 |
50.00 |
-4.21 |
| 9 |
Blasky, Sasha E (9)
|
FGMCDA |
53.01 |
51.32 |
-1.69 |
| 10 |
Sime Lanang, Stacey * (10)
|
FGCANE |
58.98 |
51.41 |
-7.57 |
| 11 |
Nelson, Olivia H (9)
|
FGMCDA |
|
1:08.03 |
- |
| 12 |
Lisitsyn, Elizabeth (9)
|
FGMSAT |
|
1:08.91 |
- |
| 13 |
Marin, Gabriela A (9)
|
FGSOFL |
|
1:10.09 |
- |
| 14 |
Galvez, Gabriela (10)
|
FGASC |
|
1:17.72 |
- |
|
Labzina, Victoria A (10)
|
FGMCDA |
|
NS |
- |