| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
WU, Karen T (11)
|
NJSCAR |
29.01 |
29.14 |
0.13 |
| 2 |
Ghate, Anushree (12)
|
NJMEY |
29.00 |
29.92 |
0.92 |
| 3 |
Rizzi, Amelia E (12)
|
NJTAC |
30.24 |
30.43 |
0.19 |
| 4 |
Tsang, Elizabeth (12)
|
NJLHY |
28.62 |
30.45 |
1.83 |
| 5 |
Golovina, Julia (12)
|
NJUN |
31.48 |
30.50 |
-0.98 |
| 6 |
Saravanakumar, Niyati (12)
|
NJXCEL |
30.20 |
30.51 |
0.31 |
| 7 |
Tarzian, Ava L (12)
|
NJTAC |
30.68 |
30.63 |
-0.05 |
| 8 |
Liu, Helen D (12)
|
NJXCEL |
30.14 |
30.73 |
0.59 |
| 9 |
Schroeder, Caroline C (12)
|
NJCAT |
31.06 |
30.77 |
-0.29 |
| 10 |
DiBlasi, Alessia (12)
|
NJSKYY |
30.91 |
30.81 |
-0.10 |
| 11 |
Schinsky, Elinor K (12)
|
NJEEX |
31.69 |
31.01 |
-0.68 |
| 12 |
England, Madison L (12)
|
NJSKYY |
30.24 |
31.02 |
0.78 |
| 13 |
Son, Erin (12)
|
NJLIFE |
31.61 |
31.24 |
-0.37 |
| 14 |
Marino, Mira S (11)
|
NJLHY |
30.66 |
31.25 |
0.59 |
| 15 |
Yu, Ludi D (12)
|
NJPAA |
31.80 |
31.28 |
-0.52 |