| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Lancaster, William W (12)
|
SCYSSC |
52.09 |
41.83 |
-10.26 |
| 2 |
Chacon, Evan G (12)
|
SCYSSC |
44.73 |
45.36 |
0.63 |
| 3 |
Kakaras, Eli C (11)
|
SCYSSC |
|
48.91 |
- |
| 4 |
Bizzell, Kenyon B (12)
|
GAHLHK |
57.30 |
50.27 |
-7.03 |
| 5 |
Pendergraph, Josiah J (11)
|
SCYSSC |
|
52.67 |
- |
| 6 |
West, Nathaniel E (12)
|
SCYSSC |
1:17.95 |
53.14 |
-24.81 |
| 7 |
Sharp, Noah T (11)
|
SCYSSC |
|
54.22 |
- |
| 8 |
Mellouki, Abdellatif (12)
|
GAHLHK |
|
1:07.65 |
- |
| 9 |
Colbert, Adrian c (11)
|
GAHLHK |
1:15.68 |
1:16.66 |
0.98 |
|
Heron, Myles D (12)
|
GAHLHK |
|
DQ |
- |
|
Wright, Kristopher M (11)
|
GAHLHK |
|
NS |
- |
|
Smith, Grant E (12)
|
SCNYST |
|
NS |
- |