| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Gaston, Noah A (12)
|
PVNCAP |
35.77 |
36.84 |
1.07 |
| 2 |
Barbour, Alexander F (11)
|
PVNCAP |
43.52 |
45.44 |
1.92 |
| 3 |
Tchama, Eyram H (12)
|
PVNCAP |
55.32 |
45.76 |
-9.56 |
| 4 |
McMahon, William N (12)
|
PVPAC |
49.68 |
47.13 |
-2.55 |
| 5 |
Malik, Musa S (12)
|
PVPAC |
|
47.15 |
- |
| 6 |
Choi, Justin S (11)
|
PVPAC |
1:01.09 |
51.38 |
-9.71 |
| 7 |
Dickerson Jr, Michael S (11)
|
PVNCAP |
51.00 |
52.82 |
1.82 |
| 8 |
Songu-Mbriwa, Nathanael K (11)
|
PVNCAP |
52.35 |
55.79 |
3.44 |
| 9 |
Nguyen, Kenny T (11)
|
PVPAC |
1:01.09 |
56.62 |
-4.47 |
| 10 |
Sutton, Asher D (11)
|
PVPAC |
1:01.10 |
1:01.03 |
-0.07 |
|
Hayes, Marius V (11)
|
PVPGKS |
1:54.35 |
DQ |
- |