| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Huenefeld, James C (14)
|
LABAC |
57.36 |
56.41 |
-0.95 |
| 2 |
Cochran, Jeffrey C (14)
|
LARRAC |
58.72 |
57.54 |
-1.18 |
| 3 |
Bradford, Cameron P (14)
|
LARRAC |
57.20 |
57.83 |
0.63 |
| 4 |
Arnold, Reiley J (14)
|
LARRAC |
1:10.74 |
59.85 |
-10.89 |
| 5 |
Ponder, Benjamin A (14)
|
LARRAC |
1:06.97 |
1:02.92 |
-4.05 |
| 6 |
Delacerda, Matthew G (13)
|
LABAC |
1:10.95 |
1:12.85 |
1.90 |
| 7 |
Kairschner, Jackson M (13)
|
LARRAC |
1:31.03 |
1:14.69 |
-16.34 |
| 8 |
Thatcher, Dru S (13)
|
LAUNAT |
1:22.16 |
1:14.99 |
-7.17 |
| 9 |
Blazier, Hayden S (13)
|
LABAC |
1:15.57 |
1:18.02 |
2.45 |
| 10 |
Stroup, Logan A (14)
|
LABAC |
1:19.74 |
1:18.08 |
-1.66 |
| 11 |
Blazier, Seth W (13)
|
LABAC |
1:20.14 |
1:21.30 |
1.16 |
| 12 |
Carter, Graham S (13)
|
LARRAC |
1:26.74 |
1:22.08 |
-4.66 |