| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Washington, Amira (11)
|
MRTRI |
34.14 |
31.62 |
-2.52 |
| 2 |
Palei, Nicole C (11)
|
MRTRI |
33.20 |
32.83 |
-0.37 |
| 3 |
Calone, Eliana R (12)
|
MRNYSA |
35.66 |
33.39 |
-2.27 |
| 4 |
Cojoc, Hannah E (12)
|
NJWAVE |
33.13 |
33.83 |
0.70 |
| 5 |
Lazebnik, Gianetta (12)
|
MRTRI |
38.01 |
35.80 |
-2.21 |
| 6 |
Robinson, Amanda G (12)
|
MRTRI |
41.72 |
38.65 |
-3.07 |
| 7 |
Liffey, Jaclyn (12)
|
MRTRI |
42.56 |
38.76 |
-3.80 |
| 8 |
Quispe-Justino, Sofia A (11)
|
MRTRI |
41.06 |
39.19 |
-1.87 |
| 9 |
Evenko, Veronica (12)
|
MRTRI |
40.36 |
40.30 |
-0.06 |
| 10 |
Gannon, Isabella G (12)
|
MRTRS |
41.78 |
41.99 |
0.21 |
| 11 |
Volovnyk, Ksenia (11)
|
MRTRI |
45.77 |
43.66 |
-2.11 |
| 12 |
Dalton, Leah (11)
|
MRTRI |
46.72 |
43.70 |
-3.02 |
| 13 |
Petrie, Nicole H (12)
|
MRNYSA |
|
44.94 |
- |
| 14 |
Kolodziej, Malvina (12)
|
MRTRI |
44.50 |
45.94 |
1.44 |
| 15 |
Barron, Amelie (11)
|
MRTRS |
1:00.37 |
57.82 |
-2.55 |
|
Pecorale, Nicholette (12)
|
MRTRI |
36.99 |
DQ |
- |
|
Scally, Sara D (12)
|
MRTRS |
46.44 |
NS |
- |
|
Walsh, Alexondria N (12)
|
MRNYSA |
38.04 |
NS |
- |
|
Celiz, Kristen E (12)
|
MRNYSA |
|
NS |
- |