| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
English, Jonathan T (14)
|
LACOSS |
18:14.18 |
17:25.64 |
-48.54 |
| 2 |
Johnson, Christian G (13)
|
LAWAVE |
18:07.02 |
17:56.58 |
-10.44 |
| 3 |
Wiedemeier, Adam D (13)
|
LABAC |
19:05.38 |
17:57.99 |
-67.39 |
| 4 |
Doll, Carson M (14)
|
LAHSC |
18:03.37 |
18:17.68 |
14.31 |
| 5 |
Wycoff, Caleb C (14)
|
LAPAC |
22:13.19 |
19:37.48 |
-155.71 |
| 6 |
Hinton, Cameron G (14)
|
LASPAR |
21:32.55 |
19:39.70 |
-112.85 |
| 7 |
Wiggins, Brandt A (14)
|
LAHSC |
22:28.29 |
20:30.70 |
-117.59 |
| 8 |
Leland, Gavin M (13)
|
LAHSC |
21:26.60 |
20:33.04 |
-53.56 |
| 9 |
Edmonds, Tyler D (14)
|
LACOLA |
22:28.29 |
22:03.96 |
-24.33 |
| 10 |
Cormier, Ethan S (13)
|
LACOLA |
22:28.29 |
22:03.99 |
-24.30 |
|
Barnard, Christopher R (13)
|
LACOSS |
22:16.25 |
NS |
- |