| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Horney, Alexandra J (8)
|
MRWEST |
46.44 |
43.36 |
-3.08 |
| 2 |
Szukics, Lauren M (8)
|
MRPAC |
46.84 |
43.62 |
-3.22 |
| 3 |
Bak, Julia (7)
|
MRQNS |
44.93 |
44.18 |
-0.75 |
| 4 |
Weinstein, Mary J (8)
|
MRWEST |
47.06 |
44.40 |
-2.66 |
| 5 |
DeCasseres, Brianna O (7)
|
MRWEST |
44.98 |
44.52 |
-0.46 |
| 6 |
Tan, Herschel E (8)
|
MRQNS |
52.13 |
49.25 |
-2.88 |
| 7 |
Leal, Jazmine (8)
|
MRRED |
47.67 |
50.17 |
2.50 |
| 8 |
Molina, Isabella (7)
|
MRLIFE |
1:06.37 |
51.40 |
-14.97 |
| 9 |
Behrend, Molly C (7)
|
MRWEST |
56.15 |
51.57 |
-4.58 |
| 10 |
Fasolino, Sofia (8)
|
MRWEST |
|
51.91 |
- |
| 11 |
Pattanakul, Lena (8)
|
MRQNS |
51.80 |
52.42 |
0.62 |
| 12 |
Weinstein, Sophie J (6)
|
MRWEST |
1:09.37 |
55.59 |
-13.78 |
| 13 |
Jones- Cimini, Margaret (8)
|
MRRED |
1:00.09 |
1:00.72 |
0.63 |
|
Ehrenberg, Elsie (7)
|
MRLIFE |
1:05.89 |
DQ |
- |
|
Lopane, Michaela (8)
|
MRLIFE |
1:05.98 |
DQ |
- |
|
Macleish, Savannah (8)
|
MRLIFE |
1:25.78 |
DQ |
- |