| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Butcher, Georgina A (15)
|
ZZSEAL |
1:15.70 |
1:16.78 |
1.08 |
| 2 |
Bruining, Heidi L (15)
|
FLPA |
1:17.02 |
1:17.78 |
0.76 |
| 3 |
Jurado, Isabella (16)
|
FGHSC |
1:22.69 |
1:23.47 |
0.78 |
| 4 |
Muzii, Beverly R (15)
|
FGMCDA |
1:23.70 |
1:25.27 |
1.57 |
| 5 |
Laurenceau, Alyssa M (16)
|
MRYMID |
1:26.64 |
1:27.58 |
0.94 |
| 6 |
Simpson, Alayna J (15)
|
FGAJSC |
1:24.85 |
1:29.05 |
4.20 |
| 7 |
Stegall, Maddison M (15)
|
FGLLL |
1:30.36 |
1:29.76 |
-0.60 |
| 8 |
Scognamillo, Jenna N (15)
|
FGLLL |
1:30.48 |
1:30.70 |
0.22 |
| 9 |
Milanovich, Maile L (15)
|
FLPA |
1:26.67 |
1:30.74 |
4.07 |
| 10 |
Jernovics, Emma C (15)
|
OHCFY |
1:33.15 |
1:30.81 |
-2.34 |
| 11 |
Kopasz, Nicole (16)
|
MRYMID |
1:38.06 |
1:31.24 |
-6.82 |
| 12 |
Jones, Shelby L (16)
|
OHCFY |
1:36.56 |
1:33.55 |
-3.01 |
| 13 |
Martin, Kaya E (16)
|
FGMCDA |
1:35.94 |
1:35.67 |
-0.27 |
| 14 |
Kirilov, Lorelei N (15)
|
FLPA |
1:37.08 |
1:37.74 |
0.66 |
| 15 |
Castillo, Fernanda J (15)
|
FGAJSC |
|
2:27.69 |
- |