| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Finn, Connor (11)
|
MRTRI |
38.21 |
36.99 |
-1.22 |
| 1 |
Sainvil, Fenlay (11)
|
MRNYCP |
37.89 |
37.48 |
-0.41 |
| 2 |
Argeros, Spyros N (11)
|
MRJCCT |
39.14 |
39.03 |
-0.11 |
| 2 |
Keller, Matte (11)
|
MRMAKO |
40.00 |
40.30 |
0.30 |
| 3 |
Zarvovskiy, Anthony A (11)
|
MRSHY |
39.43 |
39.19 |
-0.24 |
| 3 |
Bellach, Daniel C (11)
|
MRBAD |
39.55 |
40.33 |
0.78 |
| 4 |
Truong, Koa (11)
|
MRQNS |
39.02 |
39.39 |
0.37 |
| 4 |
Ratling, Kunga Y (11)
|
MRLGAC |
40.02 |
40.37 |
0.35 |
| 5 |
Han, Ethan (11)
|
MRNYCP |
39.42 |
39.50 |
0.08 |
| 6 |
Hynes, Aidan J (11)
|
MRLIE |
38.91 |
39.60 |
0.69 |
| 7 |
Corcuera, Christian L (11)
|
MRLGAC |
39.34 |
39.61 |
0.27 |
| 8 |
Divina, Sebastian K (11)
|
MRMAKO |
39.48 |
39.79 |
0.31 |
| 9 |
Chang, Matthew P (11)
|
MRCIY |
38.22 |
39.83 |
1.61 |