| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Beretta, Maria N (13)
|
CTOAK |
1:08.84 |
1:12.71 |
3.87 |
| 2 |
Ramos, Aliza D (13)
|
MRRFAC |
1:21.50 |
1:19.02 |
-2.48 |
| 3 |
Dwyer, Bronwyn L (13)
|
MRRFAC |
1:29.37 |
1:20.40 |
-8.97 |
| 4 |
Drouin, Marley G (13)
|
CTOAK |
1:26.13 |
1:25.38 |
-0.75 |
| 5 |
Hartley, Ella R (13)
|
CTOAK |
1:28.04 |
1:27.15 |
-0.89 |
| 6 |
Abbruzzese, Shylah D (13)
|
MRRFAC |
1:24.97 |
1:28.01 |
3.04 |
| 7 |
Miller, Lena F (13)
|
CTOAK |
1:37.47 |
1:28.35 |
-9.12 |
| 8 |
He, Hannah G (13)
|
MRRFAC |
1:26.68 |
1:29.24 |
2.56 |
| 9 |
Doherty, Madeleine R (13)
|
MRHVD |
1:31.33 |
1:31.01 |
-0.32 |
| 10 |
Ingenito, MariaStella * (13)
|
MRRFAC |
1:35.01 |
1:32.75 |
-2.26 |
| 11 |
McAvoy, Charlotte K (13)
|
MRHVD |
|
1:40.47 |
- |
| 12 |
Chiappetta, Isabella L (13)
|
MRRFAC |
1:46.01 |
1:43.01 |
-3.00 |
| 13 |
Zurita, Rubi (13)
|
MRMHHW |
1:47.78 |
1:51.04 |
3.26 |
|
Stevens, Mya C (13)
|
ADHAWK |
1:33.40 |
NS |
- |