| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Dela Cruz, Christian A (10)
|
NJOCY |
40.41 |
40.10 |
-0.31 |
| 2 |
Fodor, Harrison A (9)
|
NJOCY |
42.42 |
40.81 |
-1.61 |
| 3 |
Stankus, Thomas (10)
|
MASJAC |
41.40 |
41.92 |
0.52 |
| 4 |
VanIstendal, Aidan (10)
|
MASJAC |
43.87 |
42.16 |
-1.71 |
| 5 |
Townson, Connor G (10)
|
NJMYM |
43.10 |
42.51 |
-0.59 |
| 6 |
Tanudjaja, Christopher (10)
|
NJSCAR |
44.64 |
43.80 |
-0.84 |
| 7 |
Ancey, Dominic V (10)
|
NJMYM |
43.24 |
43.93 |
0.69 |
| 8 |
Spivak, Gabriel m (10)
|
NJPAA |
43.52 |
44.60 |
1.08 |
| 8 |
Zhu, Richard Y (10)
|
NJSCAR |
44.34 |
44.60 |
0.26 |
| 10 |
Cogdill, Brandon M (10)
|
NJSCAR |
44.59 |
45.41 |
0.82 |
| 11 |
Standridge, Jackson P (10)
|
NJSVY |
47.14 |
46.61 |
-0.53 |
| 12 |
He, Jason (10)
|
NJSVY |
46.69 |
46.74 |
0.05 |
| 13 |
Bondorowsky, Liam M (9)
|
NJMYM |
47.46 |
48.10 |
0.64 |
| 14 |
Rosario, Luis F (10)
|
NJSVY |
47.49 |
48.77 |
1.28 |
| 15 |
Kunkiewicz, Matthew J (10)
|
NJSVY |
47.14 |
49.16 |
2.02 |
| 16 |
Pestrichelli, Will J (9)
|
NJSVY |
47.49 |
52.43 |
4.94 |
| 17 |
Gu, Allen L (9)
|
NJSVY |
47.14 |
54.13 |
6.99 |
| 18 |
Standridge, Lucas M (9)
|
NJSVY |
47.14 |
58.07 |
10.93 |