| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Speck, Camden J (8)
|
MRRFAC |
52.62 |
51.22 |
-1.40 |
| 2 |
Daniels, Keegan J (7)
|
MRNDAC |
54.96 |
51.33 |
-3.63 |
| 3 |
Tennant, Aidan M (8)
|
MRNBS |
49.67 |
52.73 |
3.06 |
| 4 |
Joachim, Carmeleau R (7)
|
MRNBS |
53.17 |
53.48 |
0.31 |
| 5 |
Ticehurst, Lincoln J (7)
|
MRNBS |
52.35 |
54.74 |
2.39 |
| 6 |
McAvinue, Logan D (7)
|
MRYBAR |
1:06.89 |
59.46 |
-7.43 |
| 7 |
Decossard, Dominic X (7)
|
MRNYSA |
|
1:03.83 |
- |
| 8 |
Trovei, Tyler A (8)
|
MRNYSA |
|
1:07.87 |
- |
| 9 |
Jones, Austin T (7)
|
MRNBS |
|
1:15.18 |
- |
| 10 |
Dabroski, Jack D (8)
|
MRNBS |
1:09.84 |
1:16.10 |
6.26 |
| 11 |
Oconnor, Rory T (7)
|
MRNBS |
1:13.79 |
1:18.92 |
5.13 |
| 12 |
Marincenko, Aleksey V (8)
|
MRSSL |
48.30 |
1:21.61 |
33.31 |
|
Lopez Leon, Raul Jr. A (6)
|
MRNDAC |
1:06.36 |
DQ |
- |