| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Rudick, Julia D (12)
|
PVTOLL |
35.23 |
34.95 |
-0.28 |
| 2 |
Pruski, Clara C (12)
|
MDUN |
40.41 |
37.56 |
-2.85 |
| 3 |
Opipari, Francesca M (12)
|
PVASA |
38.75 |
38.97 |
0.22 |
| 4 |
Holtz, Nadia A (12)
|
PVTOLL |
39.79 |
39.36 |
-0.43 |
| 5 |
Lizak, Netta K (12)
|
PVTIBU |
39.99 |
40.42 |
0.43 |
| 6 |
Karasiewicz, Austyn S (11)
|
MDBAY |
42.01 |
41.00 |
-1.01 |
| 7 |
Sheppard, Tessa A (12)
|
MDBAY |
50.08 |
42.56 |
-7.52 |
| 8 |
McGee, Grace V (11)
|
PVASA |
45.07 |
43.61 |
-1.46 |
| 9 |
Millin, Erica J (12)
|
PVJFD |
45.34 |
44.31 |
-1.03 |
| 10 |
Hansel, Stella G (11)
|
PVTOLL |
46.58 |
45.64 |
-0.94 |
| 11 |
Ginstling, Marlena J (12)
|
PVTOLL |
46.77 |
46.92 |
0.15 |
| 12 |
Vieira, Charlotte B (11)
|
PVTOLL |
48.42 |
47.90 |
-0.52 |
| 13 |
Skelly, Alyssa M (11)
|
PVPAC |
49.97 |
48.44 |
-1.53 |
| 14 |
Huth, Madeleine M (11)
|
PVTOLL |
53.01 |
49.27 |
-3.74 |
| 15 |
Allen, Jordyn G (11)
|
PVUN-R |
1:54.12 |
50.39 |
-63.73 |
| 16 |
Stawinski, Alexandra U (12)
|
PVPAC |
1:02.05 |
1:09.61 |
7.56 |
|
Pijpers, Florijn J (12)
|
PVDCPR |
50.88 |
DQ |
- |
|
Tseronis, Gabrielle C (11)
|
PVJFD |
54.22 |
NS |
- |