| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Lane, Nicky J (19)
|
NJLHY |
46.86 |
47.65 |
0.79 |
| 2 |
McGowan, John M (18)
|
NJLHY |
47.86 |
47.72 |
-0.14 |
| 3 |
Lalani, Adam L (16)
|
NJLHY |
49.60 |
48.23 |
-1.37 |
| 4 |
Eddeh, Mitchell D (18)
|
NJLHY |
48.51 |
48.77 |
0.26 |
| 5 |
Casavant, Jack K (16)
|
NJLHY |
50.10 |
48.95 |
-1.15 |
| 6 |
Kilponen, William J (15)
|
NJLHY |
51.06 |
50.44 |
-0.62 |
| 7 |
Papendick, Benjamin M (15)
|
NJLHY |
51.45 |
50.58 |
-0.87 |
| 8 |
Arnold, Brendan P (17)
|
NJLHY |
53.66 |
53.71 |
0.05 |
| 9 |
Macaranas, Nathan Jerome M (15)
|
NJLHY |
54.59 |
53.72 |
-0.87 |
| 10 |
Flynn, Alexander R (15)
|
NJLHY |
55.35 |
55.55 |
0.20 |
| 11 |
Tamarelli, Alan W (15)
|
NJLHY |
58.99 |
56.93 |
-2.06 |