| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Jorge, Sofia (10)
|
FGMACM |
1:22.99 |
1:21.04 |
-1.95 |
| 2 |
Perez, Maria C (10)
|
FGMWA |
1:27.17 |
1:27.09 |
-0.08 |
| 3 |
Seoane, Carolina A (10)
|
FGMACM |
1:30.59 |
1:28.83 |
-1.76 |
| 4 |
Montenegro, Makayla E (9)
|
FGMACM |
1:39.66 |
1:37.84 |
-1.82 |
| 5 |
Schechter, Chloe V (10)
|
FGCANE |
1:52.21 |
1:46.38 |
-5.83 |
| 6 |
Larralde, Emma - (10)
|
FGCANE |
|
1:48.62 |
- |
| 7 |
Rodriguez-Quevedo, Alexandra (10)
|
FGSFTL |
|
1:51.20 |
- |
| 8 |
Mendez, Gabriela M (10)
|
FGCANE |
2:22.82 |
1:52.04 |
-30.78 |
| 9 |
Cimring, Gabriella J (10)
|
FGCANE |
2:15.89 |
1:54.73 |
-21.16 |
| 10 |
Lopez, Isabella M (9)
|
FGCANE |
|
1:56.40 |
- |
| 11 |
Cardenas Uribe, Francisca (9)
|
FGGRSC |
|
1:58.03 |
- |
| 12 |
Elexgaray, Ainhoa (7)
|
FGSDST |
|
1:59.57 |
- |
| 13 |
Estrada, Victoria . (10)
|
FGCANE |
|
2:03.48 |
- |
| 14 |
Osorno, Arden (9)
|
FGGRSC |
|
2:08.20 |
- |
| 15 |
Estrada, Valentina . (9)
|
FGCANE |
|
2:11.86 |
- |
| 16 |
Kotz-Agramonte, Sofia O (8)
|
UNAT |
|
2:18.84 |
- |
|
Wolfe, Ava R (10)
|
FGMWA |
1:39.41 |
DQ |
- |
|
Bahniuk, Luiza H (9)
|
FGGRSC |
2:28.71 |
NS |
- |