| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Dekalo, Arina (12)
|
FGNMST |
43.99 |
40.34 |
-3.65 |
| 2 |
Vazquez, Ayelen (11)
|
FGOSC |
43.05 |
41.35 |
-1.70 |
| 3 |
Sime Lanang, Stacey * (12)
|
FGCANE |
46.00 |
43.51 |
-2.49 |
| 4 |
Lenard, Avalee G (11)
|
FGMBS |
|
44.33 |
- |
| 5 |
Fininikin, D'Nadine (11)
|
FGFLA |
51.19 |
45.02 |
-6.17 |
| 6 |
Fuller, Mayanne L (11)
|
FGEA |
53.81 |
45.13 |
-8.68 |
| 7 |
Reno, Norah J (11)
|
FGCANE |
47.19 |
47.93 |
0.74 |
| 8 |
Revilla, Rebeca (12)
|
FGASC |
|
48.15 |
- |
| 9 |
Klokova, Veronika (12)
|
FGNMST |
55.82 |
50.30 |
-5.52 |
| 10 |
Parra, Victoria V (11)
|
FGEA |
|
51.92 |
- |
| 11 |
Lopez, Karen (12)
|
FGASC |
48.93 |
52.37 |
3.44 |
| 12 |
Moral, Paola (11)
|
FGASC |
1:02.85 |
52.67 |
-10.18 |
| 13 |
Collazo-Wood, Estefania (12)
|
FGOSC |
58.95 |
52.79 |
-6.16 |
| 14 |
Lopez, Alani (11)
|
FGAJSC |
|
53.21 |
- |
| 15 |
Aguado-Guerrero, Candela (11)
|
FGRANS |
|
54.26 |
- |
| 16 |
Gunay, Eftalya (11)
|
FGMBS |
|
55.63 |
- |
| 17 |
Sarria, Lucianna M (11)
|
FGMCDA |
|
56.12 |
- |
| 18 |
Slobodchikova, Angelika (11)
|
FGMSAT |
|
1:02.60 |
- |
| 19 |
Bell, Lola O (11)
|
FGMBS |
|
1:03.07 |
- |
| 20 |
Galvez, Gabriela (12)
|
FGASC |
|
1:03.96 |
- |
| 21 |
Jordan, Jade (12)
|
FGASC |
|
1:26.76 |
- |
|
Steen, Allegra E (12)
|
FGMBS |
|
NS |
- |
|
Heldman, Adelaide H (12)
|
FGRANS |
45.27 |
NS |
- |