| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Pociask, Brooke A (11)
|
MRNDAC |
1:10.20 |
1:09.97 |
-0.23 |
| 2 |
Ramirez, Nicole (12)
|
MRRA |
1:09.37 |
1:12.22 |
2.85 |
| 3 |
James, Jessica M (12)
|
MRRA |
1:14.01 |
1:15.48 |
1.47 |
| 4 |
Ng, Amanda (12)
|
MRSSL |
1:22.17 |
1:18.13 |
-4.04 |
| 5 |
Wienckowski, Grace A (11)
|
MRVAC |
1:18.29 |
1:18.26 |
-0.03 |
| 6 |
Dickman, Rian (11)
|
MRVAC |
1:17.46 |
1:18.43 |
0.97 |
| 7 |
Northrup, Maya J (12)
|
MRYBAR |
1:23.61 |
1:19.87 |
-3.74 |
| 8 |
Rabasco, Sarah E (11)
|
MRRA |
1:21.00 |
1:21.19 |
0.19 |
| 9 |
MacRobbie, Morgan A (12)
|
MRSSL |
1:24.56 |
1:21.26 |
-3.30 |
| 10 |
Vaughan-Johnson, Sophie L (12)
|
MRRA |
1:21.06 |
1:22.04 |
0.98 |
| 11 |
Chambers, Chloe E (11)
|
MRMWSC |
1:25.54 |
1:22.09 |
-3.45 |
| 12 |
Antman, Sabrina L (11)
|
MRRA |
1:22.77 |
1:22.50 |
-0.27 |
| 13 |
Donnellan, Molly E (12)
|
MRMWSC |
1:31.99 |
1:22.57 |
-9.42 |
| 14 |
Swartz, Erin E (12)
|
MRNDAC |
1:26.11 |
1:22.70 |
-3.41 |
| 15 |
Sheerin, Megan N (11)
|
MRMWSC |
1:25.90 |
1:22.78 |
-3.12 |
| 16 |
Kuduk, Norah (12)
|
MRRA |
1:20.79 |
1:22.87 |
2.08 |
| 17 |
Dineen, Molly (11)
|
MRMWSC |
1:22.09 |
1:22.98 |
0.89 |
| 18 |
Kuceravec, Nicole (11)
|
MRSSL |
1:22.68 |
1:24.48 |
1.80 |
| 19 |
Saxon, Isabella N (12)
|
MRMWSC |
1:45.89 |
1:28.24 |
-17.65 |
| 20 |
Jones, Kristen L (12)
|
MRDA |
1:27.73 |
1:30.71 |
2.98 |
| 21 |
Venezia, Madelyn S (11)
|
MRRA |
1:33.47 |
1:39.65 |
6.18 |
| 22 |
Cullers, Norah G (11)
|
MRNDAC |
1:36.11 |
1:39.88 |
3.77 |
| 23 |
Peng, Stephanie W (11)
|
MRMWSC |
1:41.88 |
1:44.95 |
3.07 |
| 24 |
Cain, Selma C (11)
|
MRSSL |
2:07.18 |
1:46.57 |
-20.61 |
|
Levitus, Dorian M (11)
|
MRSSL |
1:55.01 |
DQ |
- |