| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Marzan, Isaiah C (12)
|
MRDVWM |
40.86 |
38.60 |
-2.26 |
| 2 |
Mejia VanVoorhis, Lucca (11)
|
MRNYS |
40.34 |
40.05 |
-0.29 |
| 3 |
Brockmann, Alexander J (12)
|
MRNYS |
55.35 |
43.46 |
-11.89 |
| 4 |
Pearce, Lincoln J (12)
|
MRNYS |
44.30 |
44.20 |
-0.10 |
| 5 |
Gargano, Romyn A (11)
|
MRNYS |
48.69 |
44.30 |
-4.39 |
| 6 |
Brigante, Andrew G (11)
|
MRDVWM |
46.78 |
44.55 |
-2.23 |
| 7 |
Robusto, Benjamin T (12)
|
MRMWDA |
|
46.01 |
- |
| 8 |
Wells, Jace D (11)
|
MRDVWM |
52.13 |
47.44 |
-4.69 |
| 9 |
Lee, Gwangho (12)
|
MRSSL |
56.64 |
49.43 |
-7.21 |
| 10 |
Bambara, Carter J (11)
|
NJNJB |
50.77 |
49.63 |
-1.14 |
|
Earl, Marcus (11)
|
MRYBAR |
46.98 |
DQ |
- |
|
Sauka, Jameson X (11)
|
MRYBAR |
1:01.38 |
DQ |
- |