| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Sabol, Mackinzie I (10)
|
MRBGNW |
1:12.42 |
1:14.71 |
2.29 |
| 2 |
O'Donnell, Katherine A (10)
|
MRBGNW |
1:19.32 |
1:16.81 |
-2.51 |
| 3 |
Starostina, Milana M (10)
|
AMRXA |
1:28.33 |
1:17.49 |
-10.84 |
| 4 |
Gerosa, Grace H (10)
|
MRBGNW |
1:24.00 |
1:21.80 |
-2.20 |
| 5 |
Curley, Elizabeth Anne A (10)
|
MDNAAC |
1:23.80 |
1:22.22 |
-1.58 |
| 6 |
Corey, Madelyn I (10)
|
MDNAAC |
1:26.02 |
1:27.02 |
1.00 |
| 7 |
Althouse, Anna N (10)
|
PVPM |
1:26.61 |
1:27.47 |
0.86 |
| 8 |
Zenyuh, Helena M (10)
|
PVPM |
1:30.03 |
1:28.15 |
-1.88 |
| 9 |
Zibung, Selina Y (10)
|
PVPM |
|
1:28.81 |
- |
| 10 |
Sheldon, Jane A (10)
|
MAHAC |
1:40.24 |
1:33.21 |
-7.03 |
| 11 |
Monsky, Maclain R (10)
|
PVPM |
1:34.79 |
1:33.59 |
-1.20 |
| 12 |
White, Finley M (9)
|
MRBGNW |
1:37.29 |
1:34.21 |
-3.08 |