| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Sardis, Matthew A (10)
|
NJSHY |
45.41 |
41.43 |
-3.98 |
| 2 |
Sartorio, Thomas J (9)
|
NJBAC |
46.08 |
42.70 |
-3.38 |
| 3 |
Crewe, Weston D (10)
|
NJSHY |
44.74 |
43.74 |
-1.00 |
| 4 |
Yae, James M (9)
|
NJWAVE |
43.90 |
43.85 |
-0.05 |
| 5 |
Low, Ethan D (10)
|
NJBAC |
45.62 |
43.86 |
-1.76 |
| 6 |
Alexy, Rob B (9)
|
NJSHY |
43.37 |
44.25 |
0.88 |
| 7 |
Castellaneta, Nicholas J (9)
|
NJSDSC |
46.29 |
45.02 |
-1.27 |
| 8 |
Trinh, Adam (8)
|
NJGMY |
44.41 |
45.46 |
1.05 |
| 9 |
Kwon, Joshua O (10)
|
NJWAVE |
46.97 |
46.77 |
-0.20 |
| 10 |
Apito, Shane P (10)
|
NJOTT |
46.49 |
46.98 |
0.49 |
| 11 |
Stryszak, Matthew (10)
|
NJBAC |
47.98 |
46.99 |
-0.99 |
| 12 |
Rampaul-Pino, Andrew R (10)
|
NJBAC |
47.59 |
47.32 |
-0.27 |
| 13 |
Soriano, Jacob R (10)
|
NJSDSC |
47.42 |
48.36 |
0.94 |