| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Easton, Chase J (14)
|
VACA-Y |
54.13 |
56.02 |
1.89 |
| 2 |
Sawyer, Bradley O (14)
|
VACA-Y |
56.97 |
57.67 |
0.70 |
| 3 |
Charlton, William P (14)
|
VACA-Y |
59.84 |
58.74 |
-1.10 |
| 4 |
King, Brayden D (14)
|
VACA-Y |
57.61 |
59.90 |
2.29 |
| 5 |
Cullaty, John O (14)
|
VACA-Y |
55.69 |
1:00.26 |
4.57 |
| 6 |
Tungate, Benjamin L (14)
|
VACA-Y |
1:05.73 |
1:01.29 |
-4.44 |
| 7 |
Davidson, Charles S (13)
|
VACA-Y |
1:04.54 |
1:08.50 |
3.96 |
| 8 |
Suggs DeSorbo, Matthew J (13)
|
VACA-Y |
1:07.53 |
1:08.81 |
1.28 |
| 9 |
Byrne, Caleb R (13)
|
VACA-Y |
1:29.17 |
1:09.27 |
-19.90 |
| 10 |
Wispelwey, Garrett S (13)
|
VACA-Y |
1:16.07 |
1:14.31 |
-1.76 |
| 11 |
Bryan, Augustus J (14)
|
VACA-Y |
1:16.58 |
1:20.65 |
4.07 |
|
Bakich, Jack L (14)
|
VACA-Y |
|
DQ |
- |