| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Sciortino, Sienna B (14)
|
MRLIE |
1:04.23 |
1:03.92 |
-0.31 |
| 2 |
Zhang, Suri S (14)
|
MRQNS |
1:05.55 |
1:06.17 |
0.62 |
| 3 |
Petrovic, Sydney B (14)
|
MRLIE |
1:07.12 |
1:07.51 |
0.39 |
| 4 |
Walsh, Julianne L (14)
|
MRLIE |
1:10.07 |
1:08.68 |
-1.39 |
| 5 |
de Mendonca, Sophia A (14)
|
MRYFD |
1:06.47 |
1:09.05 |
2.58 |
| 6 |
Lee, Priscilla J (14)
|
MRLIE |
1:09.47 |
1:09.42 |
-0.05 |
| 7 |
Tan, Felicity (14)
|
MRCAS |
1:10.54 |
1:09.91 |
-0.63 |
| 8 |
Campese, Jacqueline T (14)
|
MRCIY |
1:06.11 |
1:09.98 |
3.87 |
| 9 |
Shnayderman, Alisa (14)
|
MRMPNY |
1:09.26 |
1:10.78 |
1.52 |
| 10 |
Clarke, Hailey E (14)
|
MRLIE |
1:09.99 |
1:11.59 |
1.60 |
|
Ramos, Micaela C (14)
|
MRYFD |
1:09.34 |
DQ |
- |