| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Dimaculangan, Annabel (12)
|
MRTVSC |
1:11.76 |
1:14.02 |
2.26 |
| 2 |
Vinciguerra, Jacqueline X (11)
|
MRTVSC |
1:17.89 |
1:20.54 |
2.65 |
| 3 |
Lisica, Sabrina N (12)
|
MRTVSC |
1:22.80 |
1:20.96 |
-1.84 |
| 4 |
Yan, Madelyn (11)
|
MRQNS |
1:24.79 |
1:21.90 |
-2.89 |
| 5 |
Tong, Aurey (12)
|
MRQNS |
1:29.33 |
1:27.86 |
-1.47 |
| 6 |
Moran, Laura A (12)
|
MRQNS |
1:30.16 |
1:28.55 |
-1.61 |
| 7 |
Duong, Katie S (11)
|
MRTVSC |
1:29.58 |
1:29.40 |
-0.18 |
| 8 |
Chang, Cathy (12)
|
MRLIAC |
1:29.05 |
1:30.73 |
1.68 |
| 9 |
Emmerich, Ava J (11)
|
MRTVSC |
1:33.29 |
1:31.53 |
-1.76 |
| 10 |
Tan, Shanel E (11)
|
MRQNS |
1:32.23 |
1:32.48 |
0.25 |
| 11 |
Casalinuovo, Alyssa L (11)
|
MRTVSC |
1:35.98 |
1:34.02 |
-1.96 |
| 12 |
Wang, Angela A (11)
|
MRTVSC |
1:39.98 |
1:43.16 |
3.18 |
| 13 |
Gebhard, Kaitlyn A (12)
|
MRLIAC |
1:49.08 |
1:49.84 |
0.76 |