| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Tolan, Sydney T (10)
|
ADSSCY |
1:32.42 |
1:28.26 |
-4.16 |
| 2 |
Ziter, Sophie L (9)
|
ADSSCY |
1:30.66 |
1:29.74 |
-0.92 |
| 3 |
Yafayeva, Roxana Z (9)
|
ADDELM |
1:37.87 |
1:32.39 |
-5.48 |
| 4 |
Kao, Yirou (9)
|
ADJJSC |
1:38.73 |
1:34.41 |
-4.32 |
| 5 |
McCord, Abby E (10)
|
ADKING |
1:37.74 |
1:38.55 |
0.81 |
| 6 |
Lutz, Olivia G (10)
|
ADJJSC |
1:42.66 |
1:39.70 |
-2.96 |
| 7 |
Oathout, Eve L (10)
|
ADUSAM |
1:45.31 |
1:42.22 |
-3.09 |
| 8 |
Marcotullio, Caitlyn A (10)
|
ADADDI |
1:55.81 |
1:48.92 |
-6.89 |
| 9 |
Mayhew, Regan P (10)
|
ADADDI |
|
1:50.31 |
- |
|
Parker, Elise H (10)
|
ADADDI |
|
DQ |
- |
|
Beckenstein, Sierra L (9)
|
ADBSPA |
|
DQ |
- |
|
Lawrence, Renee E (9)
|
ADJJSC |
|
DQ |
- |
|
Manion, Anna R (9)
|
ADWAVE |
|
DQ |
- |