| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Grimaldi, Dylon M (12)
|
NJSWST |
42.54 |
42.82 |
0.28 |
| 2 |
Zomera, Noah Aiden O (12)
|
NJBB |
43.22 |
44.45 |
1.23 |
| 3 |
Vlasiuk, Bohdan (12)
|
NJBB |
46.05 |
45.73 |
-0.32 |
| 4 |
Burdelak, Dennis J (12)
|
NJRSA |
46.22 |
48.32 |
2.10 |
| 5 |
Pandey, Avyukt (11)
|
NJSWST |
1:00.00 |
49.77 |
-10.23 |
| 6 |
Chang, Mason S (12)
|
NJBB |
45.44 |
56.63 |
11.19 |
| 7 |
Huang, Samuel B (12)
|
NJBB |
55.42 |
59.42 |
4.00 |
| 8 |
Birth, Griffin Q (11)
|
NJRSA |
1:02.00 |
1:07.54 |
5.54 |
| 9 |
Sydorovych, Maksimilian O (11)
|
NJRSA |
1:20.00 |
1:09.99 |
-10.01 |
| 10 |
Gao, Shawn (11)
|
NJBB |
1:08.24 |
1:10.57 |
2.33 |
| 11 |
Cruz IV, Michael (11)
|
NJRSA |
1:55.99 |
1:23.08 |
-32.91 |