| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
DeLuna, Gabriella S (12)
|
FGYSF |
1:06.21 |
1:07.27 |
1.06 |
| 2 |
Foster, Valentina (11)
|
FGMWA |
1:15.01 |
1:12.21 |
-2.80 |
| 3 |
Virto, Maia (11)
|
FGMWA |
|
1:12.99 |
- |
| 4 |
Kuznik, Ava M (12)
|
FGSOFL |
1:17.80 |
1:13.13 |
-4.67 |
| 5 |
Garand, Zoe J (12)
|
FGYSPB |
1:19.08 |
1:16.53 |
-2.55 |
| 6 |
Albertario, Stefany J (12)
|
FGYSF |
|
1:28.89 |
- |
| 7 |
Liu, Peggy C (12)
|
FGYSF |
|
1:30.28 |
- |
| 8 |
Patel, Khushi (11)
|
FGMWA |
|
1:37.26 |
- |
| 9 |
Jeffery, Sariah N (11)
|
FGCSSC |
|
1:42.53 |
- |
|
Guerrero, Mia S (11)
|
FGMWA |
1:14.91 |
NS |
- |
|
Marino, Franchesca L (11)
|
FGYSF |
1:25.72 |
NS |
- |