| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Herrmann, Rian (15)
|
CTZEUS |
17:16.70 |
17:13.12 |
-3.58 |
| 2 |
Cowenhoven, Michael V (16)
|
CTZEUS |
16:35.90 |
17:15.29 |
39.39 |
| 3 |
Leite, Marcelo (16)
|
CTZEUS |
17:16.65 |
17:47.61 |
30.96 |
| 4 |
Kvashchuk, Mykhailo (13)
|
CTZEUS |
18:55.20 |
18:02.14 |
-53.06 |
| 5 |
Colistra, Giancarlo W (14)
|
CTZEUS |
18:40.81 |
18:03.94 |
-36.87 |
| 6 |
Liao, James (13)
|
CTGLAS |
18:37.70 |
18:06.83 |
-30.87 |
| 7 |
Flores, Kristopher S (13)
|
CTZEUS |
18:55.82 |
18:34.83 |
-20.99 |
| 8 |
Vitiello, Wyatt N (11)
|
CTZEUS |
19:01.70 |
19:11.67 |
9.97 |
| 9 |
Lonsberry, Cody L (12)
|
CTIVY |
|
19:13.37 |
- |
| 10 |
Garcia-Reyes, Anthony (12)
|
CTZEUS |
20:04.70 |
19:15.01 |
-49.69 |
| 11 |
Daniele, Alessandro (14)
|
CTFVYT |
19:26.60 |
19:23.67 |
-2.93 |
| 12 |
Elliott, Chase J (11)
|
CTZEUS |
20:21.70 |
19:28.26 |
-53.44 |
| 13 |
Tharrington, Owen G (12)
|
CTZEUS |
19:01.70 |
19:34.64 |
32.94 |
| 14 |
Bognon, Benjamin N (13)
|
CTZEUS |
20:39.70 |
20:28.50 |
-11.20 |
| 15 |
Daniele, Luca (11)
|
CTFVYT |
25:36.15 |
25:20.56 |
-15.59 |
|
Rosano, Jonathan D (12)
|
CTMAC |
21:23.48 |
DQ |
- |