| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Beaulieu, Amelia (11)
|
CTOAK |
1:18.34 |
1:18.74 |
0.40 |
| 2 |
Nitzkorski, Ella F (12)
|
MRRFAC |
1:23.39 |
1:23.01 |
-0.38 |
| 3 |
Yereance, Addison L (11)
|
MRRFAC |
1:22.91 |
1:25.34 |
2.43 |
| 4 |
Limmer, Mia A (11)
|
CTOAK |
1:41.94 |
1:29.07 |
-12.87 |
| 5 |
Touijar, Zineb (11)
|
MRMHHW |
1:35.59 |
1:29.93 |
-5.66 |
| 6 |
Robinson, Aryana (11)
|
MRMHHW |
1:42.34 |
1:33.45 |
-8.89 |
| 7 |
Reid, Camille S (11)
|
ADHAWK |
1:34.22 |
1:34.66 |
0.44 |
| 8 |
Lipson, Naomi H (11)
|
ADHAWK |
1:50.45 |
1:35.20 |
-15.25 |
| 9 |
Chafatelli, Raelyn G (11)
|
ADHAWK |
|
1:37.45 |
- |
| 10 |
Evola, Kensington J (12)
|
MRHVD |
1:49.18 |
1:38.57 |
-10.61 |
| 11 |
Kui, Hannah F (11)
|
MRRFAC |
|
1:43.23 |
- |
| 12 |
Ramaglia, Autumn C (12)
|
MRNBS |
1:43.85 |
1:43.76 |
-0.09 |
| 13 |
Petrocelli, Annabella S (11)
|
MRRFAC |
1:50.01 |
1:51.95 |
1.94 |
| 14 |
Mazzella, Giulia (11)
|
MRMHHW |
|
1:55.28 |
- |
| 15 |
Gordon, Sydney M (12)
|
MRNBS |
|
2:00.68 |
- |
| 16 |
Stalder, Stella (11)
|
MRPATS |
|
2:08.55 |
- |
| 17 |
Moody, Siobhan E (11)
|
MRNBS |
2:17.57 |
2:11.61 |
-5.96 |