| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
DiStefano, Ella (12)
|
MRTRI |
1:12.07 |
1:10.44 |
-1.63 |
| 1 |
McLoughlin, McKayla E (12)
|
MRBAD |
1:16.61 |
1:19.02 |
2.41 |
| 2 |
Galimi, Maeve O (12)
|
MRWEST |
1:11.44 |
1:10.76 |
-0.68 |
| 2 |
Beleffi, Bianca (12)
|
MRLGAC |
1:18.55 |
1:19.43 |
0.88 |
| 3 |
Jia, Nicole X (12)
|
MRMPNY |
1:13.47 |
1:12.37 |
-1.10 |
| 3 |
Masella, Catherine R (12)
|
MRYFD |
1:17.72 |
1:19.59 |
1.87 |
| 4 |
McFarland, Brynn C (12)
|
MRBAD |
1:15.34 |
1:12.84 |
-2.50 |
| 5 |
Spencer-Edwards, Lauren A (12)
|
MRQNS |
1:11.57 |
1:12.90 |
1.33 |
| 6 |
Wong, Madeleine C (12)
|
MRFLY |
1:15.85 |
1:13.08 |
-2.77 |
| 7 |
Daley, Isabelle A (12)
|
MRCENT |
1:16.13 |
1:13.74 |
-2.39 |
| 8 |
Tse, Avery (12)
|
MRMAKO |
1:14.78 |
1:13.87 |
-0.91 |
| 9 |
Sherman, Alexa L (12)
|
MRLIE |
1:12.85 |
1:14.00 |
1.15 |
| 10 |
Otto, Olivia L (12)
|
MRBAD |
1:14.47 |
1:14.06 |
-0.41 |
| 11 |
Yu, Charis (12)
|
MRMPNY |
1:13.62 |
1:15.61 |
1.99 |
| 12 |
Leal, Jazmine (12)
|
MRRED |
1:15.84 |
1:18.05 |
2.21 |