| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Nyboer, Mason E (16)
|
LATAQ |
15:34.38 |
15:39.07 |
4.69 |
| 2 |
Thionville, Pierce A (15)
|
LAWAVE |
17:19.87 |
16:22.32 |
-57.55 |
| 3 |
Bonson, Michael P (15)
|
LAHSC |
16:52.61 |
16:25.46 |
-27.15 |
| 4 |
Russell, Samuel J (16)
|
LACOSS |
16:59.91 |
16:46.42 |
-13.49 |
| 5 |
Kitto, William P (15)
|
LACRAW |
17:28.31 |
16:49.20 |
-39.11 |
| 6 |
Domingue, Nicholas A (15)
|
LACRAW |
17:04.87 |
17:00.75 |
-4.12 |
| 7 |
Robinson, Rory L (15)
|
LACOLA |
17:53.19 |
17:33.63 |
-19.56 |
| 8 |
Wang, Stone C (16)
|
LACRAW |
17:38.00 |
17:40.78 |
2.78 |
| 9 |
Richard, Joeseph T (16)
|
LACCSC |
17:59.82 |
18:20.50 |
20.68 |
| 10 |
Russell, Harrison W (15)
|
LACRAW |
21:46.69 |
18:42.60 |
-184.09 |
| 11 |
Thornhill, Lucas B (15)
|
LASC |
19:13.95 |
18:48.64 |
-25.31 |
| 12 |
Chaisson, Garrett S (16)
|
LACOSS |
20:07.72 |
20:12.88 |
5.16 |
| 13 |
Hidalgo, Taylor L (15)
|
LAHSC |
21:46.69 |
20:57.22 |
-49.47 |
| 14 |
Dardar, Evan H (15)
|
LAWAVE |
21:46.69 |
21:23.22 |
-23.47 |
| 15 |
De La Fuente, Pablo (15)
|
LASPAR |
21:06.29 |
21:25.15 |
18.86 |
|
Cooper, William G (15)
|
LACRAW |
18:39.74 |
NS |
- |