| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Rutherford, Eli J (12)
|
VACA-Y |
28.82 |
28.72 |
-0.10 |
| 2 |
Rogers, Mitchell T (12)
|
VALY |
31.19 |
30.75 |
-0.44 |
| 3 |
Bateman, Michael J (12)
|
VAVABR |
33.66 |
33.10 |
-0.56 |
| 4 |
Kerrigan, Tyler W (12)
|
VACA-Y |
37.61 |
34.49 |
-3.12 |
| 5 |
Bryan, Cadel W (11)
|
VACA-Y |
35.60 |
35.94 |
0.34 |
| 6 |
Moss, Aidan T (11)
|
VALY |
37.53 |
36.51 |
-1.02 |
| 7 |
Whitaker, Evan J (12)
|
VAVABR |
41.97 |
39.10 |
-2.87 |
| 9 |
Huddleston, Matthew T (11)
|
VAVABR |
40.21 |
41.73 |
1.52 |
| 11 |
Korby, Jonathan J (11)
|
VALY |
|
45.23 |
- |
| 12 |
Fisher, Garrick G (11)
|
VACA-Y |
55.64 |
48.70 |
-6.94 |
| 13 |
Eakkhattiyakorn, Tyler (11)
|
VALY |
1:04.68 |
55.90 |
-8.78 |
|
Parker, Aidan J (12)
|
VALY |
1:10.25 |
DQ |
- |