| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Zlotchew, Ida S (8)
|
NJXCEL |
43.35 |
42.58 |
-0.77 |
| 2 |
Toohey, Collins (8)
|
NJMB |
45.69 |
45.63 |
-0.06 |
| 3 |
Szaro, Layla E (7)
|
NJNJRC |
46.35 |
46.54 |
0.19 |
| 4 |
Yuan, Audrey (7)
|
NJWW |
47.04 |
50.53 |
3.49 |
| 5 |
Malone, Stella L (8)
|
NJPPST |
56.27 |
53.75 |
-2.52 |
| 6 |
Hernandez, Gianna (8)
|
NJMB |
55.10 |
54.29 |
-0.81 |
| 7 |
Scudder, Blake F (8)
|
NJCJAC |
1:00.56 |
54.69 |
-5.87 |
| 8 |
Karlinski, Farrah T (7)
|
NJNJRC |
58.28 |
57.61 |
-0.67 |
| 9 |
Sandoval, Rosie E (7)
|
NJNJRC |
58.08 |
1:00.96 |
2.88 |
| 10 |
Young, Juliana G (8)
|
NJCJAC |
1:13.29 |
1:03.42 |
-9.87 |
| 11 |
Shemanski, Caroline J (6)
|
NJTAC |
1:03.43 |
1:03.94 |
0.51 |
| 12 |
Huthwaite, Jade E (7)
|
NJCJAC |
1:09.55 |
1:06.14 |
-3.41 |
| 13 |
Eadon, Abigail R (8)
|
NJCJAC |
1:09.89 |
1:09.85 |
-0.04 |
| 14 |
Scott, Madison (7)
|
NJTAC |
1:03.09 |
1:17.84 |
14.75 |
| 15 |
Czaszynski, Charlotte J (7)
|
NJMB |
1:12.47 |
1:19.79 |
7.32 |
|
DeBari-Bey, Amelia R (8)
|
NJNJRC |
49.47 |
DQ |
- |