| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Esteban, Milena E (10)
|
FGCANE |
1:25.21 |
1:20.45 |
-4.76 |
| 2 |
Halliburton, Mercedes (10)
|
FGCANE |
1:34.06 |
1:23.54 |
-10.52 |
| 3 |
Webb, Hannah B (10)
|
FGMCDA |
1:22.49 |
1:24.56 |
2.07 |
| 4 |
Viera, Isabel (8)
|
FGMACM |
1:41.44 |
1:25.84 |
-15.60 |
| 5 |
Suarez Alarcon, Gabriella A (10)
|
FGMBS |
1:28.16 |
1:28.52 |
0.36 |
| 6 |
Duranti, Pilar A (9)
|
FGSOFL |
1:33.99 |
1:30.10 |
-3.89 |
| 7 |
Lopez, Emma (10)
|
FGDRSC |
|
1:33.09 |
- |
| 8 |
Gomez, Isabella M (10)
|
FGSOFL |
1:40.64 |
1:37.45 |
-3.19 |
| 9 |
Carreno, Maria P (10)
|
FGMACM |
1:43.79 |
1:37.60 |
-6.19 |
| 10 |
Smilowitz, Isabella M (10)
|
FGMCDA |
1:31.40 |
1:38.60 |
7.20 |
| 11 |
Multack, Jolie S (10)
|
FGMCDA |
1:47.64 |
1:40.93 |
-6.71 |
| 12 |
Lopez, Daniela (10)
|
FGMCDA |
1:45.91 |
1:41.94 |
-3.97 |
| 13 |
Pallot, Sora R (9)
|
FGMSA |
1:42.28 |
1:42.92 |
0.64 |
| 14 |
Buniakina, Sofia * (9)
|
FGNMST |
|
1:43.83 |
- |
| 15 |
Viera, Andrea (8)
|
FGMACM |
|
1:46.09 |
- |
| 16 |
Ortega, Julia R (8)
|
FGCANE |
1:43.61 |
1:46.87 |
3.26 |
| 17 |
Steiger, Eliana L (10)
|
FGNMST |
2:02.99 |
1:47.97 |
-15.02 |
| 18 |
Scott, Trinity (9)
|
FGMCDA |
|
1:48.30 |
- |
| 19 |
Diaz, Victoria (9)
|
FGDRSC |
|
1:50.29 |
- |
| 20 |
Schechter, Chloe V (8)
|
FGCANE |
2:05.28 |
2:05.24 |
-0.04 |
|
Henao-Arevalo, Daniella (9)
|
FGNMST |
1:26.77 |
DQ |
- |
|
Smilowitz, Angelina * (6)
|
FGMCDA |
|
NS |
- |
|
Pottigari, Anvitaa R (10)
|
FGSOFL |
1:37.29 |
NS |
- |