| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Baxter, Ayden C (12)
|
MRMWDA |
39.88 |
40.66 |
0.78 |
| 2 |
Velasquez, Vicente O (12)
|
MRNYSA |
42.53 |
41.51 |
-1.02 |
| 3 |
Cerrato, Jacob A (12)
|
MRMWDA |
41.36 |
41.75 |
0.39 |
| 4 |
Ghaly, Yamen (11)
|
MRNYSA |
40.59 |
41.98 |
1.39 |
| 5 |
Sanchez, Luke (12)
|
MRVAC |
46.47 |
45.04 |
-1.43 |
| 6 |
Taranto, Ethan S (11)
|
MRYBAR |
47.00 |
45.71 |
-1.29 |
| 7 |
Pagano, Jax A (11)
|
MRNBS |
49.17 |
45.93 |
-3.24 |
| 8 |
Storaska, Noah (12)
|
MRVAC |
47.62 |
46.46 |
-1.16 |
| 9 |
Burgarelli, Sebastian (12)
|
MRNBS |
46.19 |
46.92 |
0.73 |
| 10 |
Cooper, Jackson C (11)
|
MRNBS |
46.14 |
47.03 |
0.89 |
| 11 |
Gonzales, Matthew (12)
|
MRWSSC |
49.72 |
48.57 |
-1.15 |
| 12 |
Gonzalez, Ceasar X (11)
|
MRWSSC |
|
1:00.66 |
- |
| 13 |
Freehill, Joseph G (11)
|
MRNYSA |
1:45.52 |
1:08.85 |
-36.67 |