| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Payne, Connor R (17)
|
NJOCY |
47.90 |
49.56 |
1.66 |
| 2 |
Volkov, Kevin N (17)
|
NJOCY |
47.97 |
50.53 |
2.56 |
| 3 |
Jay, Kevin J (17)
|
MAUMLY |
48.55 |
50.90 |
2.35 |
| 4 |
Jagielski, Patrik (16)
|
NJOCY |
49.33 |
51.32 |
1.99 |
| 5 |
Culbert, Michael A (17)
|
NJOCY |
49.95 |
52.87 |
2.92 |
| 6 |
Neuman, Owen C (15)
|
MAUMLY |
57.23 |
53.56 |
-3.67 |
| 7 |
Cortez, Paolo (17)
|
NJOCY |
51.33 |
53.57 |
2.24 |
| 8 |
Rudel, Christopher A (17)
|
NJLHY |
54.15 |
54.52 |
0.37 |
| 9 |
Carlozzi, August J (17)
|
MABRY |
52.82 |
54.57 |
1.75 |
| 10 |
Gardner, Gregory W (16)
|
MABRY |
53.26 |
55.06 |
1.80 |
| 11 |
Coulter, Brendan K (16)
|
MABRY |
|
55.59 |
- |
| 12 |
Prendergast, Evan M (17)
|
NJOCY |
55.67 |
56.25 |
0.58 |
| 13 |
Brady, David F (17)
|
MABRY |
52.89 |
57.59 |
4.70 |
| 14 |
Navarro, Jeremiah R (16)
|
NJOCY |
56.66 |
57.77 |
1.11 |
| 15 |
Gorman, Bryce S (16)
|
MABRY |
58.11 |
59.06 |
0.95 |
| 16 |
Pedre, Alex (15)
|
NJOCY |
58.37 |
59.15 |
0.78 |
| 17 |
Magnusson, Evon G (17)
|
NJMYM |
58.61 |
59.76 |
1.15 |
| 18 |
Ramos, Noa J (18)
|
NJMYM |
59.74 |
59.77 |
0.03 |
| 19 |
Kremer Guha, Rohan S (17)
|
NJMYM |
1:04.79 |
1:06.78 |
1.99 |
| 20 |
Rensy, Martin (16)
|
NJOCY |
|
1:08.99 |
- |
| 21 |
Spexarth, Aaron (15)
|
NJOCY |
1:11.90 |
1:11.47 |
-0.43 |