| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Curtis, Grace E (10)
|
MASJAC |
1:22.91 |
1:19.79 |
-3.12 |
| 2 |
Sgarra, Ava M (10)
|
MAMAC |
1:23.03 |
1:22.38 |
-0.65 |
| 3 |
Barnes, Margaret P (10)
|
MAUMLY |
1:39.43 |
1:32.46 |
-6.97 |
| 4 |
Scott, Emma G (10)
|
MASJAC |
|
1:35.57 |
- |
| 5 |
Hayes, Madelyn E (10)
|
MAMAC |
1:33.27 |
1:37.82 |
4.55 |
| 6 |
Wilkinson, Madelyn A (10)
|
MAPRSC |
1:39.99 |
1:38.54 |
-1.45 |
| 7 |
Christianson, Leah A (10)
|
MAWAVE |
1:49.52 |
1:41.44 |
-8.08 |
| 8 |
Shih, Francesca (10)
|
MALIFE |
1:47.14 |
1:42.99 |
-4.15 |
| 9 |
Napoli, Joanna (9)
|
MASEA |
1:54.85 |
1:47.83 |
-7.02 |
|
Rodriguez, Neomi (9)
|
MANSC |
1:41.04 |
DQ |
- |