| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Amedio, Isabella G (17)
|
ADSCHE |
1:09.16 |
1:14.61 |
5.45 |
| 2 |
McSwieney, Gabriela E (15)
|
ADSCHE |
1:17.35 |
1:19.88 |
2.53 |
| 3 |
Frazier, Emilia A (16)
|
ADSCHE |
1:16.45 |
1:20.62 |
4.17 |
| 4 |
Felix, Morgan A (15)
|
ADSCHE |
1:17.45 |
1:21.03 |
3.58 |
| 5 |
Swan-Scott, Willow S (17)
|
ADGLFY |
1:19.98 |
1:22.17 |
2.19 |
| 6 |
Phelps, Sara M (16)
|
ADBSPA |
1:21.59 |
1:22.19 |
0.60 |
| 7 |
Tristan, Mathilda A (16)
|
ADUN |
1:22.03 |
1:22.66 |
0.63 |
| 8 |
Mazza, Jenna L (15)
|
ADCLIN |
1:23.39 |
1:24.24 |
0.85 |
| 9 |
Felton, Emily R (15)
|
ADGLFY |
1:18.90 |
1:24.78 |
5.88 |
| 10 |
Ormsby, Lela L (17)
|
ADBSPA |
1:28.85 |
1:29.26 |
0.41 |
| 11 |
Seiz, Hannah J (15)
|
ADSCHE |
1:26.42 |
1:33.84 |
7.42 |
| 12 |
Zampier, Greta G (15)
|
ADUSAM |
1:29.88 |
1:34.88 |
5.00 |
| 13 |
LaRow, Julia C (15)
|
ADSCHE |
1:24.28 |
1:35.62 |
11.34 |
| 14 |
Schwarz-Eise, Sophie F (15)
|
ADUSAM |
1:33.91 |
1:38.05 |
4.14 |