| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Malionek, Elias (8)
|
MRSMC |
48.42 |
45.26 |
-3.16 |
| 2 |
Mussolini, Nicholas M (8)
|
CTGRYM |
47.15 |
45.29 |
-1.86 |
| 3 |
Zhu, Aidan (8)
|
MRYFD |
|
49.44 |
- |
| 4 |
Sandhu, Mateo S (8)
|
CTGRYM |
|
49.52 |
- |
| 5 |
Fusco, Ben M (8)
|
MRGAEL |
49.74 |
49.74 |
0.00 |
| 6 |
Mugno, Anthony James (8)
|
MREAST |
51.86 |
49.80 |
-2.06 |
| 7 |
Ripp, Evan C (8)
|
CTGRYM |
48.71 |
50.78 |
2.07 |
| 8 |
Naughton, Luke P (8)
|
MRNYCC |
1:10.16 |
50.92 |
-19.24 |
| 9 |
Boyer, Jackson X (8)
|
MREAST |
51.15 |
51.15 |
0.00 |
| 10 |
Johnston, Kai A (8)
|
MREAST |
52.60 |
53.03 |
0.43 |
| 11 |
Dave, Ansh N (8)
|
MRYMID |
|
57.59 |
- |
| 12 |
Leon, Milo (8)
|
MRNYCC |
1:25.57 |
58.30 |
-27.27 |
| 13 |
Thalappillil, Amir (8)
|
MRYMID |
|
1:02.13 |
- |
|
Reis, Jack F (8)
|
MREAST |
|
DQ |
- |
|
Augustyniak, Christopher (8)
|
CTZEUS |
58.60 |
NS |
- |
|
Kulangara, John F (8)
|
CTZEUS |
|
NS |
- |
|
Sajdyk, Dawid (8)
|
CTZEUS |
|
NS |
- |