| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Dejean, William H (13)
|
LATAQ |
18:27.91 |
17:54.08 |
-33.83 |
| 2 |
Johnson, Christian G (13)
|
LAWAVE |
18:36.08 |
18:19.41 |
-16.67 |
| 3 |
Wiedemeier, Adam D (13)
|
LABAC |
19:58.60 |
18:20.52 |
-98.08 |
| 4 |
Doll, Carson M (14)
|
LAHSC |
19:05.11 |
18:28.83 |
-36.28 |
| 5 |
Balhoff, Jack S (14)
|
LACOLA |
23:06.49 |
19:54.89 |
-191.60 |
| 6 |
Barnard, Christopher R (13)
|
LACOSS |
20:45.37 |
20:04.37 |
-41.00 |
| 7 |
Dunford, Jack C (14)
|
LATAQ |
20:11.39 |
20:13.92 |
2.53 |
| 8 |
Leland, Gavin M (14)
|
LAHSC |
23:06.49 |
20:32.77 |
-153.72 |
| 9 |
Swanson, Daniel H (13)
|
LASC |
23:06.49 |
21:07.76 |
-118.73 |
| 10 |
Edmonds, Tyler D (14)
|
LACOLA |
23:06.49 |
21:36.84 |
-89.65 |
| 11 |
Cormier, Ethan S (14)
|
LACOLA |
23:06.49 |
22:23.45 |
-43.04 |