| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Mueller, Colton A (8)
|
VACGBD |
43.72 |
42.22 |
-1.50 |
| 2 |
James, Calum M (8)
|
VA757 |
44.08 |
42.50 |
-1.58 |
| 3 |
Han, Maxwell M (8)
|
VA757 |
59.13 |
47.08 |
-12.05 |
| 4 |
Sallee, Nathaniel W (7)
|
VAODAC |
59.45 |
50.03 |
-9.42 |
| 5 |
Johnson, Brody R (8)
|
VAECAT |
47.67 |
50.04 |
2.37 |
| 6 |
Yeriemieiev, Ivan P (8)
|
VA757 |
|
59.05 |
- |
| 7 |
Monteil, Caleb L (8)
|
VAODAC |
1:01.08 |
1:01.57 |
0.49 |
| 8 |
Dolson, Shaheem A (7)
|
VAECAT |
|
1:02.25 |
- |
| 9 |
Robinson, Ryland K (8)
|
VAODAC |
|
1:05.33 |
- |
| 10 |
Olds, Sebastian M (7)
|
VA757 |
1:44.27 |
1:08.43 |
-35.84 |
| 11 |
Nesterenko, Martin J (7)
|
VA757 |
|
1:10.05 |
- |
| 12 |
Swanson, Lyle E (8)
|
VASPAR |
|
1:21.35 |
- |
|
Ballin, Christian T (8)
|
VA757 |
|
DQ |
- |
|
Musteata, Alex V (7)
|
VA757 |
|
DQ |
- |
|
Servilla, Juan Manoel H (7)
|
VAODAC |
|
DQ |
- |