| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Lee, Aidan J (17)
|
MRWEST |
53.68 |
53.72 |
0.04 |
| 2 |
Lambert, Harrison A (17)
|
MRWEST |
53.57 |
53.90 |
0.33 |
| 3 |
Gorzula, Alexander J (17)
|
MRWEST |
55.69 |
55.26 |
-0.43 |
| 4 |
DeCasseres, Elijah L (17)
|
MRWEST |
54.94 |
55.51 |
0.57 |
| 5 |
Gasowski, Anthony J (17)
|
NJCBGC |
57.26 |
56.43 |
-0.83 |
| 6 |
Maslov, Maxim (15)
|
MRPAC |
55.46 |
56.77 |
1.31 |
| 7 |
Tirch, Patrick M (17)
|
MRHVD |
53.59 |
57.55 |
3.96 |
| 8 |
Coste, Frank (17)
|
NJCBGC |
58.18 |
59.20 |
1.02 |
| 9 |
Gonzalez, Andres (15)
|
MRMAKO |
|
1:00.60 |
- |
| 10 |
Davis, Alexander (16)
|
NJCBGC |
57.32 |
1:00.96 |
3.64 |
| 11 |
Paltag, Daniel I (16)
|
MRPAC |
1:02.84 |
1:01.21 |
-1.63 |
| 12 |
Maslov, Alexander (17)
|
MRPAC |
1:01.01 |
1:02.52 |
1.51 |
| 13 |
Karamanougian, Daniel H (17)
|
MRPAC |
1:01.61 |
1:02.65 |
1.04 |
| 14 |
Wolfe, Alexander (17)
|
NJCBGC |
1:08.60 |
1:05.69 |
-2.91 |
| 15 |
Kastanis, Dylan S (17)
|
MRHVD |
1:03.50 |
1:06.26 |
2.76 |
| 16 |
Kurt, Derin (16)
|
NJCBGC |
1:20.74 |
1:06.57 |
-14.17 |
| 17 |
Uy, Gian (15)
|
NJCBGC |
1:12.93 |
1:11.08 |
-1.85 |
| 18 |
DeBlasi, Matthew J (15)
|
MRBKR |
1:30.00 |
1:15.79 |
-14.21 |
|
Frenklakh, Daniel (15)
|
NJCBGC |
1:12.32 |
1:16.83 |
4.51 |
|
Williams, Mateu C (15)
|
MRBKR |
1:10.00 |
NS |
- |