| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Tseng, Zoe (8)
|
NJMALT |
50.16 |
47.65 |
-2.51 |
| 2 |
O'Connell, Coco (8)
|
NJSKYY |
58.11 |
48.57 |
-9.54 |
| 3 |
Wong, Claire (8)
|
NJMALT |
1:00.00 |
51.34 |
-8.66 |
| 4 |
Assanah, Madison J (8)
|
NJJFAC |
1:16.24 |
59.77 |
-16.47 |
| 5 |
Pelayo, Adriana (8)
|
NJSKYY |
59.90 |
1:08.39 |
8.49 |
| 6 |
Verhage, Madison (7)
|
NJSKYY |
1:10.70 |
1:08.90 |
-1.80 |
| 7 |
Thiel, Grace F (8)
|
NJMALT |
1:20.89 |
1:18.66 |
-2.23 |
|
Quezada, Isabella C (8)
|
NJEAG |
|
DQ |
- |
|
Valencia, Angelique J (8)
|
NJEAG |
1:12.00 |
DQ |
- |
|
Kandziolka, Elizabeth R (8)
|
NJOTT |
1:34.23 |
DQ |
- |
|
Bacchetta, Isabella (7)
|
NJSKYY |
2:01.10 |
DQ |
- |
|
Brancato, Kathleen (7)
|
NJSKYY |
1:40.05 |
DQ |
- |