| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Lee, Jaden (10)
|
NJWAVE |
45.50 |
41.68 |
-3.82 |
| 2 |
Castellaneta, Nicholas J (10)
|
NJSDSC |
42.72 |
42.27 |
-0.45 |
| 3 |
Castellaneta, Brandon H (10)
|
NJSDSC |
47.44 |
42.93 |
-4.51 |
| 4 |
Kim, Brandon D (10)
|
NJWAVE |
44.00 |
43.14 |
-0.86 |
| 5 |
Meade, David J (10)
|
NJSTAC |
44.33 |
44.22 |
-0.11 |
| 6 |
D 'alessandro, Sam H (10)
|
NJSDSC |
42.80 |
44.62 |
1.82 |
| 7 |
Swee, Lucas (9)
|
NJWAVE |
46.51 |
44.91 |
-1.60 |
| 8 |
Pleat, Elkan (8)
|
NJWAVE |
47.42 |
45.72 |
-1.70 |
| 9 |
Gao, Brandon (10)
|
NJWAVE |
45.09 |
45.84 |
0.75 |
| 10 |
Michaels, Drew G (9)
|
NJSTAC |
47.36 |
47.16 |
-0.20 |
| 11 |
De Rogatis, Christopher C (10)
|
NJSTAC |
45.06 |
47.44 |
2.38 |
| 12 |
Xin, Patrick (10)
|
NJBAC |
47.69 |
48.97 |
1.28 |
| 13 |
Regan, Conor J (10)
|
NJSTAC |
47.87 |
52.21 |
4.34 |
|
Zhang, Andrew (10)
|
NJSTAC |
43.78 |
DQ |
- |
|
Meehan, Kolin N (10)
|
NJWAVE |
|
NS |
- |