| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Scanlon, Teagan M (11)
|
MRTS |
1:19.20 |
1:18.81 |
-0.39 |
| 2 |
Licardi, Antonia B (12)
|
MRPBAC |
1:19.85 |
1:21.02 |
1.17 |
| 3 |
Telech, Hope C (11)
|
NIHHTA |
1:23.58 |
1:21.84 |
-1.74 |
| 4 |
Foley, Maya R (11)
|
MRTS |
1:19.17 |
1:21.91 |
2.74 |
| 5 |
Gula, Mackenzie M (11)
|
MRPBAC |
1:24.27 |
1:24.44 |
0.17 |
| 6 |
Iaccarino-Modni, Hanna R (12)
|
MRLBA |
|
1:24.91 |
- |
| 7 |
Aniello, Ivy M (12)
|
MRPBAC |
1:23.30 |
1:25.99 |
2.69 |
| 8 |
Phillips, Grace M (12)
|
MRRFAC |
1:27.35 |
1:26.72 |
-0.63 |
| 9 |
O'Brien, Makenna B (11)
|
MRTS |
1:30.43 |
1:27.11 |
-3.32 |
| 10 |
Minchak, Kaitlin E (11)
|
MRLBA |
1:30.46 |
1:27.91 |
-2.55 |
| 11 |
Plataroti, Ava (11)
|
MRTS |
1:29.45 |
1:28.19 |
-1.26 |
| 12 |
Meade, Ashley R (11)
|
MRLBA |
1:33.96 |
1:28.55 |
-5.41 |
| 13 |
Werther, Elizabeth S (11)
|
MRLBA |
1:35.42 |
1:29.63 |
-5.79 |
| 14 |
Grefski, Katherine A (11)
|
MRTS |
1:36.95 |
1:33.77 |
-3.18 |
| 15 |
Walters, Cali A (11)
|
MRLBA |
1:37.97 |
1:34.02 |
-3.95 |
| 16 |
Dufresne, Halle (12)
|
MRRFAC |
1:39.91 |
1:36.03 |
-3.88 |
| 17 |
Nacianceno, Emily S (11)
|
MRNBS |
1:43.49 |
1:41.67 |
-1.82 |
| 18 |
Rundo, Tess J (12)
|
MRLBA |
1:42.00 |
1:44.23 |
2.23 |
| 19 |
Kohli, Diya (12)
|
MRTS |
1:48.85 |
1:46.73 |
-2.12 |
|
Gillego, Julia M (12)
|
MRLBA |
|
DQ |
- |