| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Briceno, Isabella (12)
|
MRNYSA |
29.86 |
30.16 |
0.30 |
| 2 |
Calone, Emilia R (12)
|
MRNYSA |
30.59 |
30.24 |
-0.35 |
| 3 |
Santora, Sofia E (12)
|
MRMWDA |
36.65 |
33.56 |
-3.09 |
| 4 |
Kick, Isabel S (12)
|
MRMWDA |
37.02 |
36.58 |
-0.44 |
| 5 |
Ramos, Aliza D (11)
|
MRRFAC |
43.93 |
38.33 |
-5.60 |
| 6 |
Hineman, Elsa A (12)
|
MRNDAC |
40.11 |
38.40 |
-1.71 |
| 7 |
Muir-Gardner, Nezreen C (11)
|
MRYBAR |
48.25 |
40.40 |
-7.85 |
| 8 |
Crow, Audrey L (12)
|
MRPATS |
|
42.38 |
- |
| 9 |
Albanese, Keira K (11)
|
MRNYSA |
|
42.75 |
- |
| 10 |
Dwek, Sally E (12)
|
MRSSL |
59.83 |
43.27 |
-16.56 |
| 11 |
Protheroe, Carys W (12)
|
MRNDAC |
|
43.53 |
- |
| 12 |
Piscitella, Lena E (11)
|
MRNBS |
1:04.18 |
45.03 |
-19.15 |
| 13 |
Dwyer, Chloe L (11)
|
MRWSSC |
51.26 |
46.70 |
-4.56 |
| 14 |
Boyle, Dakota R (11)
|
MRHVD |
52.34 |
47.33 |
-5.01 |
| 15 |
McMillen, Violet M (12)
|
MRNDAC |
|
48.24 |
- |
| 16 |
Glancey, Madeline A (11)
|
MRRFAC |
52.16 |
49.01 |
-3.15 |
| 17 |
Hicks, Juliana M (12)
|
MRNBS |
50.72 |
50.77 |
0.05 |
| 18 |
Smith, Karli E (12)
|
MRNBS |
|
52.92 |
- |
| 19 |
Ingenito, MariaStella (11)
|
MRRFAC |
55.11 |
56.31 |
1.20 |
|
McGuinness, Maura J (11)
|
MRPATS |
|
DQ |
- |