| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Conrad, Sabrina L (11)
|
MRRA |
1:08.20 |
1:09.82 |
1.62 |
| 2 |
Bubel, Valerie M (12)
|
MRNDAC |
1:14.67 |
1:10.23 |
-4.44 |
| 3 |
Austin, Jessica R (11)
|
MRRA |
1:21.26 |
1:20.45 |
-0.81 |
| 4 |
Balestrieri, Lucia A (11)
|
MRRA |
1:35.00 |
1:22.04 |
-12.96 |
| 5 |
Wienckowski, Grace A (11)
|
MRVAC |
1:28.13 |
1:24.49 |
-3.64 |
| 6 |
Rodriguez, Ava V (12)
|
MRYBAR |
1:17.69 |
1:26.02 |
8.33 |
| 7 |
Kuduk, Norah (12)
|
MRRA |
1:38.00 |
1:27.61 |
-10.39 |
| 8 |
Ng, Amanda (12)
|
MRSSL |
1:26.80 |
1:29.39 |
2.59 |
| 9 |
MacRobbie, Morgan A (12)
|
MRSSL |
1:46.16 |
1:31.05 |
-15.11 |
| 10 |
Sheerin, Megan N (11)
|
MRMWSC |
1:30.89 |
1:31.96 |
1.07 |
| 11 |
Antman, Sabrina L (11)
|
MRRA |
1:33.30 |
1:34.07 |
0.77 |
| 12 |
Chambers, Chloe E (11)
|
MRMWSC |
1:33.88 |
1:34.28 |
0.40 |
| 13 |
Northrup, Maya J (12)
|
MRYBAR |
1:47.92 |
1:42.22 |
-5.70 |
| 14 |
Jones, Kristen L (12)
|
MRDA |
1:46.10 |
1:45.75 |
-0.35 |
|
Rocchio, Grace A (11)
|
MRYBAR |
1:53.23 |
DQ |
- |