| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Knecht, Paul M (16)
|
NJSAY |
53.73 |
53.49 |
-0.24 |
| 2 |
Grouser, Gavin C (15)
|
NJGSCY |
53.60 |
53.73 |
0.13 |
| 3 |
Sun, Jacob (16)
|
NJLHY |
55.87 |
54.71 |
-1.16 |
| 4 |
Lam, Dante (15)
|
NJLHY |
57.09 |
54.86 |
-2.23 |
| 5 |
Mendez-Castilla, Gabriel M (15)
|
NJGSCY |
54.88 |
55.16 |
0.28 |
| 6 |
Wiszenko, Michael (15)
|
NJGMNY |
56.32 |
55.39 |
-0.93 |
| 7 |
Lebron, William C (17)
|
NJLHY |
55.91 |
55.60 |
-0.31 |
| 8 |
Hariegel, Joshua C (17)
|
NJGMNY |
55.50 |
56.36 |
0.86 |
| 9 |
Dascalu, Andreas (15)
|
NJGSCY |
56.32 |
56.47 |
0.15 |
| 10 |
Fedorov, Dimitri (15)
|
NJWMY |
59.02 |
57.03 |
-1.99 |
| 11 |
Lovasz, Brendan C (17)
|
NJGMNY |
58.58 |
58.19 |
-0.39 |
| 12 |
Vlass, Charles G (17)
|
NJSAY |
1:00.55 |
58.21 |
-2.34 |
| 13 |
Mattesky, Christopher R (17)
|
NJLHY |
1:02.64 |
58.51 |
-4.13 |
|
Wong, Christian C (17)
|
NJGSCY |
55.83 |
NS |
- |
|
Matthews, Maxwell S (17)
|
NJLHY |
55.44 |
NS |
- |
|
Moffatt, Cooper T (16)
|
NJLHY |
56.88 |
NS |
- |
|
Chauhan, Shreyas (17)
|
NJSAY |
58.37 |
NS |
- |
|
Vulpescu, Matthew (15)
|
NJGMNY |
55.90 |
NS |
- |