| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
O'Donnell, Katherine A (10)
|
MRBGNW |
1:16.35 |
1:18.32 |
1.97 |
| 2 |
Gerosa, Grace H (10)
|
MRBGNW |
1:19.54 |
1:20.53 |
0.99 |
| 3 |
McGourty, Megan R (9)
|
MRBGNW |
1:24.06 |
1:21.58 |
-2.48 |
| 4 |
Bremner, Annabelle G (10)
|
PVPM |
1:25.79 |
1:22.27 |
-3.52 |
| 5 |
Corderman, Devon S (10)
|
PVMAKO |
1:23.64 |
1:22.95 |
-0.69 |
| 6 |
Rider, Maisie R (10)
|
MDNAAC |
1:23.44 |
1:22.98 |
-0.46 |
| 7 |
Monsky, Maclain R (10)
|
PVPM |
1:40.19 |
1:23.55 |
-16.64 |
| 8 |
Starostina, Milana M (10)
|
AMRXA |
1:25.39 |
1:24.11 |
-1.28 |
| 9 |
Alexander, Phoebe M (9)
|
MDUN |
1:31.57 |
1:31.36 |
-0.21 |
| 10 |
Althouse, Anna N (10)
|
PVPM |
1:37.29 |
1:31.60 |
-5.69 |
| 11 |
White, Finley M (9)
|
MRBGNW |
1:35.86 |
1:32.53 |
-3.33 |
| 12 |
Raines, Tate E (10)
|
PVPM |
1:55.18 |
1:39.08 |
-16.10 |
|
Sabol, Mackinzie I (10)
|
MRBGNW |
1:15.64 |
DQ |
- |
|
Chen, Cindy W (10)
|
MRBGNW |
1:23.61 |
NS |
- |
|
Stevens, Elizabeth E (10)
|
MDNAAC |
1:43.57 |
NS |
- |
|
Friess, Caroline R (9)
|
PVPM |
1:37.43 |
NS |
- |