| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Arndt, Nicholas M (12)
|
PVNCAP |
18:02.17 |
17:47.82 |
-14.35 |
| 2 |
Church, Anderson N (12)
|
PVMACH |
20:29.97 |
18:31.79 |
-118.18 |
| 3 |
Vanderloo, Jameson P (12)
|
PVSNOW |
18:59.77 |
18:35.62 |
-24.15 |
| 4 |
Brooks, Andrejs P (11)
|
PVASA |
19:41.48 |
19:35.52 |
-5.96 |
| 5 |
Solana, Ernesto (12)
|
PVASA |
20:08.70 |
19:48.11 |
-20.59 |
| 6 |
Pelletier, Thomas L (12)
|
PVASA |
20:10.95 |
19:56.85 |
-14.10 |
| 7 |
Opipari, Nicolas S (11)
|
PVASA |
20:23.70 |
20:03.10 |
-20.60 |
| 8 |
Matsuki, Yuto A (12)
|
PVFISH |
21:36.12 |
20:25.59 |
-70.53 |
| 9 |
Wang, Steven Y (11)
|
PVJFD |
12:35.41 |
21:05.35 |
509.94 |
| 10 |
Carroll, Christian T (12)
|
PVNCAP |
13:46.54 |
21:46.02 |
479.48 |
| 11 |
Christofferson, Nicolas S (11)
|
PVMACH |
23:55.19 |
21:47.01 |
-128.18 |
| 12 |
Litteken, Ethan S (12)
|
PVNCAP |
14:34.02 |
21:51.38 |
437.36 |
| 13 |
Kuester-Ha, Cyrus R (11)
|
PVFISH |
14:09.56 |
21:57.15 |
467.59 |
| 14 |
McCabe, Sean D (11)
|
PVMACH |
24:14.42 |
22:05.16 |
-129.26 |