| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Olsen, Liv I (9)
|
MRRIST |
1:26.97 |
1:22.63 |
-4.34 |
| 1 |
Lankford, Avery A (10)
|
MRYFD |
1:26.66 |
1:27.59 |
0.93 |
| 2 |
Lord, Sophia (10)
|
MRWEST |
1:25.21 |
1:23.25 |
-1.96 |
| 2 |
Milazzo, Lucia (10)
|
MRMAKO |
1:30.77 |
1:27.97 |
-2.80 |
| 3 |
Chen, Audrey (10)
|
MRLIE |
1:27.74 |
1:28.46 |
0.72 |
| 3 |
Desmond, Keira B (10)
|
MRLIE |
1:35.36 |
1:38.74 |
3.38 |
| 4 |
Quan, LiXin (9)
|
MRQNS |
1:28.89 |
1:29.69 |
0.80 |
| 4 |
Li, QuanXin (9)
|
MRQNS |
1:35.50 |
1:39.25 |
3.75 |
| 5 |
Damelio, Theodora M (10)
|
MRFREE |
1:36.76 |
1:29.87 |
-6.89 |
| 5 |
Xiao, Lucia (10)
|
MRYFD |
1:36.66 |
1:39.44 |
2.78 |
| 6 |
Crisano, Leila (9)
|
MRTRI |
1:29.96 |
1:29.92 |
-0.04 |
| 6 |
Henry, Paige (10)
|
MRCAS |
1:36.95 |
1:40.14 |
3.19 |
| 7 |
Brun, Sienna R (9)
|
MRAPEX |
1:34.50 |
1:33.43 |
-1.07 |
| 7 |
Rosenberg, Danielle R (10)
|
MRLIE |
1:34.81 |
1:40.38 |
5.57 |
| 8 |
Wood, Addison (10)
|
MRMAKO |
1:30.37 |
1:35.49 |
5.12 |
| 8 |
Reyes Aguirre, Juana (10)
|
MRAPEX |
1:33.39 |
1:40.50 |
7.11 |
| 9 |
Washington, Amira (10)
|
MRTRI |
1:32.05 |
1:36.01 |
3.96 |
| 9 |
Greenberg, Ariel S (9)
|
MRWEST |
1:34.77 |
1:41.07 |
6.30 |