| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Concepcion, Alex P (8)
|
MRNYSA |
43.18 |
42.15 |
-1.03 |
| 2 |
Fenton, Sofia M (8)
|
MRNYSA |
49.14 |
45.37 |
-3.77 |
| 3 |
Gregory, Julia A (8)
|
MRJCCT |
47.76 |
45.74 |
-2.02 |
| 4 |
Wisniewski, Hanna J (8)
|
MRMPNY |
54.59 |
46.20 |
-8.39 |
| 5 |
Deftereos, Eleftheria (8)
|
MRNYSA |
49.99 |
46.67 |
-3.32 |
| 6 |
Law, Brianna (8)
|
MRMPNY |
53.08 |
50.69 |
-2.39 |
| 7 |
Losada, Aleksandra (8)
|
MRNYSA |
58.27 |
54.52 |
-3.75 |
| 8 |
Li, Sophie (7)
|
MRRFAC |
50.22 |
54.77 |
4.55 |
| 9 |
Jimenez, Hermione E (8)
|
MRRFAC |
51.24 |
55.47 |
4.23 |
| 10 |
Mattone, Grace B (8)
|
MRNYSA |
|
56.06 |
- |
| 11 |
Torres, Cassidy-Amber (8)
|
MRMCBY |
59.58 |
59.58 |
0.00 |
| 12 |
Quested, Bluebell B (5)
|
MRRFAC |
1:20.90 |
1:01.47 |
-19.43 |
| 13 |
Hofbauer, Amari L (6)
|
MRRFAC |
1:08.21 |
1:06.32 |
-1.89 |
|
Shao, Kristie (6)
|
MRRFAC |
1:20.90 |
DQ |
- |