| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Kaps, Martyna (7)
|
MRMPNY |
36.79 |
36.64 |
-0.15 |
| 2 |
Kelly, Alyssa (8)
|
MABDA |
37.84 |
36.67 |
-1.17 |
| 3 |
Liu, Ava L (8)
|
MRNYSA |
35.65 |
36.85 |
1.20 |
| 4 |
Concepcion, Alex P (8)
|
MRNYSA |
37.99 |
37.20 |
-0.79 |
| 5 |
Fenton, Sofia M (8)
|
MRNYSA |
38.57 |
38.95 |
0.38 |
| 6 |
Torres, Cassidy-Amber (8)
|
MRMCBY |
40.39 |
42.92 |
2.53 |
| 7 |
Deftereos, Eleftheria (8)
|
MRNYSA |
48.15 |
42.96 |
-5.19 |
| 8 |
Li, Sophie (7)
|
MRRFAC |
46.22 |
50.61 |
4.39 |
| 9 |
Jimenez, Hermione E (8)
|
MRRFAC |
49.25 |
50.82 |
1.57 |
| 10 |
Quested, Bluebell B (5)
|
MRRFAC |
1:15.90 |
56.75 |
-19.15 |
| 11 |
Shao, Kristie (6)
|
MRRFAC |
1:28.12 |
1:15.19 |
-12.93 |