| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Ridley, Zosia G (15)
|
PVPM |
1:14.24 |
1:10.08 |
-4.16 |
| 2 |
Roche, Marie L (18)
|
PVYORK |
1:06.37 |
1:11.40 |
5.03 |
| 3 |
Judge, Catherine S (16)
|
PVTIBU |
1:17.38 |
1:13.35 |
-4.03 |
| 4 |
Baker, Korelle Z (17)
|
PVTIBU |
1:10.97 |
1:14.12 |
3.15 |
| 5 |
Spignardo, Bella A (15)
|
PVYORK |
1:14.65 |
1:14.81 |
0.16 |
| 6 |
Hehir-Keys, Ava F (16)
|
PVMSSC |
1:14.71 |
1:16.25 |
1.54 |
| 7 |
St Jean, Abigail F (17)
|
PVPM |
1:11.05 |
1:16.32 |
5.27 |
| 8 |
Fleming, Katherine G (17)
|
PVASA |
1:08.78 |
1:16.36 |
7.58 |
| 9 |
Marks, Sophia H (16)
|
PVTIBU |
1:14.81 |
1:16.42 |
1.61 |
| 10 |
Sutherland, Lauren E (15)
|
PVPM |
1:16.54 |
1:17.62 |
1.08 |
| 11 |
Sorkin, Claire R (18)
|
PVASA |
1:15.80 |
1:17.86 |
2.06 |
| 12 |
Lungren, Reagan M (18)
|
PVPM |
1:18.47 |
1:21.54 |
3.07 |