| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Bacinski, Riley (10)
|
NJHQH |
42.86 |
39.14 |
-3.72 |
| 2 |
Bateman, Hannah E (10)
|
NJTAC |
42.06 |
39.30 |
-2.76 |
| 3 |
Castela, Emily H (10)
|
NJHQH |
42.21 |
40.78 |
-1.43 |
| 4 |
Chapins, Sophia E (10)
|
NJTAC |
45.42 |
42.40 |
-3.02 |
| 5 |
Desiderio, Kasey C (10)
|
NJCAT |
42.09 |
43.22 |
1.13 |
| 6 |
Dungo, Mia J (10)
|
NJCAT |
45.92 |
50.18 |
4.26 |
| 7 |
Ramos, Vivianna Y (9)
|
NJCAT |
51.34 |
50.22 |
-1.12 |
| 8 |
Malik, Saniya A (9)
|
NJBAC |
57.00 |
52.03 |
-4.97 |
| 9 |
Estabillo, Jennifer G (9)
|
NJSTAR |
52.46 |
55.57 |
3.11 |
| 10 |
Somerstein, Lola P (9)
|
NJMYM |
54.31 |
55.94 |
1.63 |
| 11 |
DiTore, Julianna (9)
|
NJWEY |
56.64 |
56.13 |
-0.51 |
| 12 |
Hsu, Abigail (10)
|
NJBAC |
58.40 |
1:00.35 |
1.95 |
| 13 |
Pun, Faye (10)
|
NJWEY |
1:04.86 |
1:00.88 |
-3.98 |
| 14 |
Critchley, Lily Belle (10)
|
NJCAT |
1:15.58 |
1:04.00 |
-11.58 |
| 15 |
Phillips, Lily J (9)
|
NJCAT |
1:04.99 |
1:10.77 |
5.78 |