| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Martinez, Caitlin (12)
|
FGASC |
1:19.29 |
1:15.46 |
-3.83 |
| 2 |
Mercado, Keira R (12)
|
FGEA |
1:19.30 |
1:15.67 |
-3.63 |
| 3 |
Kline, Anna R (12)
|
FGEA |
1:23.21 |
1:17.36 |
-5.85 |
| 4 |
Orellana, Sophia (12)
|
FGMCDA |
1:21.33 |
1:17.53 |
-3.80 |
| 5 |
Dekalo, Arina (11)
|
FGNMST |
1:21.46 |
1:19.90 |
-1.56 |
| 6 |
Osman, Mariam C (12)
|
FGEA |
1:27.83 |
1:20.56 |
-7.27 |
| 7 |
Heldman, Adelaide H (12)
|
FGRANS |
1:26.16 |
1:22.31 |
-3.85 |
| 8 |
Young, Natalie R (12)
|
FGCANE |
1:24.19 |
1:23.06 |
-1.13 |
| 9 |
Suarez Alarcon, Gabriella A (12)
|
FGMBS |
1:34.08 |
1:23.21 |
-10.87 |
| 10 |
Pallot, Sora (11)
|
FGMCDA |
1:30.41 |
1:26.30 |
-4.11 |
| 11 |
Scheingoltz, Lillian (12)
|
FGMCDA |
1:29.24 |
1:26.62 |
-2.62 |
| 12 |
Santirzo, Kaylie T (11)
|
FGMACM |
1:30.39 |
1:30.64 |
0.25 |
| 13 |
Revilla, Rebeca (11)
|
FGASC |
1:34.33 |
1:31.14 |
-3.19 |
| 14 |
Lopez, Karen (11)
|
FGASC |
1:36.22 |
1:34.16 |
-2.06 |
| 15 |
Ninova, Magdalena N (12)
|
FGCANE |
|
1:46.67 |
- |
|
Larralde, Rachel - (12)
|
FGCANE |
1:19.86 |
NS |
- |