| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Varona, Diego J (16)
|
NJRHSC |
51.24 |
51.14 |
-0.10 |
| 2 |
Bang, Eric P (17)
|
NJRANY |
52.55 |
51.64 |
-0.91 |
| 3 |
Lehman, Nicholas R (17)
|
NJRANY |
49.27 |
51.92 |
2.65 |
| 4 |
Auborn, Maxwell J (16)
|
NJRHSC |
56.56 |
54.02 |
-2.54 |
| 5 |
Rave, Sean T (15)
|
NJRANY |
54.07 |
54.56 |
0.49 |
| 6 |
Chow, Garrett U (15)
|
NJRHSC |
55.72 |
56.35 |
0.63 |
| 7 |
Gutierrez, Nicholas L (18)
|
NJUN R |
55.39 |
56.69 |
1.30 |
| 8 |
Hood, Quinlan P (17)
|
NJRHSC |
59.00 |
57.25 |
-1.75 |
| 9 |
Sorrentino, Benjamin J (15)
|
NJRANY |
55.53 |
58.02 |
2.49 |
| 10 |
Kromidas, George (16)
|
NJRANY |
56.59 |
58.18 |
1.59 |
| 11 |
Flanagan, Samson J (16)
|
NJRHSC |
1:16.06 |
1:09.22 |
-6.84 |
| 12 |
Shanmugam, Sujeeth Krishna (15)
|
NJBAC |
1:09.52 |
1:10.78 |
1.26 |