| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Gao, Sophia (9)
|
ADCPP |
1:24.59 |
1:25.14 |
0.55 |
| 2 |
McMahon, Elizabeth M (10)
|
ADUN |
1:31.61 |
1:34.57 |
2.96 |
| 3 |
Harpootlian, Hannah R (10)
|
ADCPP |
1:39.44 |
1:35.35 |
-4.09 |
| 4 |
Hao, Helen Z (10)
|
ADCPP |
1:31.12 |
1:36.39 |
5.27 |
| 5 |
Carsillo, Ava C (9)
|
ADDELM |
1:34.46 |
1:36.64 |
2.18 |
| 6 |
Silaika, Genevieve E (10)
|
ADCPP |
1:45.16 |
1:47.90 |
2.74 |
| 7 |
Simmons, Madigan L (9)
|
ADCPP |
1:56.69 |
1:52.95 |
-3.74 |
| 8 |
Bourassa, Annalise (10)
|
ADCPP |
|
1:55.34 |
- |
| 9 |
Ensminger, Annabelle G (10)
|
ADCPP |
|
2:08.89 |
- |
| 10 |
Russo, Natalie L (10)
|
ADCPP |
2:07.87 |
2:11.78 |
3.91 |
| 11 |
Zhang, Chloe H (9)
|
ADCPP |
|
2:13.89 |
- |
| 12 |
Sharghi, Ava (10)
|
ADCPP |
2:35.63 |
2:18.86 |
-16.77 |
|
Donofrio, Sophia B (9)
|
ADCPP |
1:46.94 |
DQ |
- |
|
Halpin, Ella P (9)
|
ADCPP |
|
NS |
- |