| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Case, James S (8)
|
NTESP |
51.08 |
52.70 |
1.62 |
| 2 |
Wade, Landon O (8)
|
NTATAC |
54.73 |
55.14 |
0.41 |
| 3 |
McWhorter, Marshall J (8)
|
NTUN |
54.92 |
55.41 |
0.49 |
| 4 |
Bray, Travis H (8)
|
NTESP |
56.49 |
56.46 |
-0.03 |
| 5 |
Ruediger, Alex E (8)
|
NTMTRO |
|
58.93 |
- |
| 6 |
Dorsey, Luke H (8)
|
NTATAC |
1:04.03 |
1:01.94 |
-2.09 |
| 7 |
Pigneri, Michael A (8)
|
NTATAC |
1:02.96 |
1:02.76 |
-0.20 |
| 8 |
Sureka, Sheel (7)
|
NTATAC |
1:05.73 |
1:03.62 |
-2.11 |
| 9 |
Heckman, Everett L (7)
|
NTMTRO |
|
1:04.87 |
- |
|
De Los Santos, Rhett T (8)
|
NTMTRO |
|
DQ |
- |
|
Fox, Dylan A (8)
|
NTESP |
57.78 |
NS |
- |
|
Parrott, Grant M (8)
|
NTNTN |
46.52 |
NS |
- |