| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Coughlin, Natalie L (13)
|
MRYFD |
1:02.27 |
1:03.50 |
1.23 |
| 1 |
Molina, Isabella E (13)
|
MRLIE |
59.23 |
57.89 |
-1.34 |
| 2 |
Wong, Madeleine C (13)
|
MRFLY |
1:02.34 |
1:03.51 |
1.17 |
| 2 |
Suharev, Anna M (13)
|
MRFREE |
58.69 |
58.83 |
0.14 |
| 3 |
Karczewski, Cavan (13)
|
MRBAD |
58.79 |
59.28 |
0.49 |
| 4 |
Sherman, Alexa L (13)
|
MRLIE |
59.06 |
59.51 |
0.45 |
| 5 |
Spencer-Edwards, Lauren A (13)
|
MRQNS |
58.94 |
59.53 |
0.59 |
| 6 |
Otto, Olivia L (13)
|
MRWEST |
59.90 |
59.61 |
-0.29 |
| 7 |
Jia, Nicole X (13)
|
MRMPNY |
59.97 |
59.94 |
-0.03 |
| 8 |
Fasolino, Sofia (13)
|
MRWEST |
58.59 |
1:00.22 |
1.63 |
| 9 |
Canales Alvizuri, Isabella N (13)
|
MRLIE |
58.92 |
1:00.26 |
1.34 |
| 10 |
Khamutaeva, Ariuna (13)
|
MRMPNY |
1:00.62 |
1:00.38 |
-0.24 |
| 11 |
Tse, Avery (13)
|
MRMAKO |
1:02.66 |
1:01.62 |
-1.04 |
| 12 |
DiStefano, Ella (12)
|
MRTRI |
1:01.35 |
1:02.14 |
0.79 |
| 13 |
Wu, Lora W (13)
|
MRYFD |
1:02.63 |
1:02.34 |
-0.29 |
| 14 |
Diab, Ella G (13)
|
MRCOND |
1:01.88 |
1:02.41 |
0.53 |
| 15 |
Pietruszka, Amelia S (13)
|
MRQNS |
1:01.17 |
1:03.02 |
1.85 |