| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Carper, Ashley N (15)
|
MAGPAC |
1:05.11 |
1:09.87 |
4.76 |
| 2 |
Schuster, Danielle (15)
|
MASEA |
1:03.71 |
1:13.99 |
10.28 |
| 3 |
Gallagher, Christine R (16)
|
MAUNGP |
1:12.58 |
1:15.13 |
2.55 |
| 4 |
Jones, Emily G (16)
|
MAGPAC |
1:11.66 |
1:17.34 |
5.68 |
| 5 |
Monaghan, Abaigeal P (15)
|
MAPENN |
1:02.82 |
1:18.57 |
15.75 |
| 6 |
Wheeler, Grace C (15)
|
MASJAC |
1:07.50 |
1:19.67 |
12.17 |
| 7 |
Kasich, Katrina A (15)
|
MASJAC |
1:15.12 |
1:23.31 |
8.19 |
| 8 |
Rouff, Rachel B (15)
|
MATWAC |
1:14.76 |
1:23.42 |
8.66 |
| 9 |
Penn, Fionna L (16)
|
MASJAC |
1:13.36 |
1:24.36 |
11.00 |
| 10 |
Strother, Kaya D (15)
|
MASJAC |
1:12.43 |
1:24.94 |
12.51 |
| 11 |
Martinez Delgadillo, Ilse A (16)
|
MAGPAC |
1:22.56 |
1:25.74 |
3.18 |
| 12 |
Fitzgerald, Emily L (16)
|
MASJAC |
1:17.25 |
1:25.76 |
8.51 |