| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Rodriguez, Agustin F (14)
|
FGHSC |
17:24.23 |
16:52.09 |
-32.14 |
| 2 |
Rodriguez, Enrique (14)
|
FGAZFL |
17:42.00 |
17:06.91 |
-35.09 |
| 3 |
Taylor, Mason B (14)
|
FGJDST |
17:56.75 |
17:11.82 |
-44.93 |
| 4 |
Colmenares, Javier A (13)
|
FGSOFL |
18:38.42 |
17:31.89 |
-66.53 |
| 5 |
Edwards, Chipper D (14)
|
FGFAST |
18:23.08 |
17:44.78 |
-38.30 |
| 6 |
Mansur, Marcelo (13)
|
FGMACM |
17:57.23 |
17:53.17 |
-4.06 |
| 7 |
Nordheim, Gregory A (14)
|
FGSAS |
17:32.97 |
17:56.25 |
23.28 |
| 8 |
Collazo, Fernando (13)
|
FGGRSC |
18:45.86 |
18:07.25 |
-38.61 |
| 9 |
Grass, Ivan L (14)
|
FGGRSC |
18:24.67 |
18:10.09 |
-14.58 |
| 10 |
Mateus, Alejandro E (14)
|
FGSOFL |
17:49.36 |
18:13.29 |
23.93 |
| 11 |
Lorenzo, Reinel A (13)
|
FGMACM |
18:47.36 |
18:16.31 |
-31.05 |
| 12 |
Marri, Rithvik R (13)
|
FGMWA |
18:39.81 |
18:17.69 |
-22.12 |
| 13 |
Tijero, Christian D (13)
|
FGSOFL |
18:21.43 |
18:18.94 |
-2.49 |
| 14 |
Lozano, Santiago (13)
|
FGGRSC |
18:32.65 |
18:23.58 |
-9.07 |
| 15 |
Armbruster, Tyler K (13)
|
FGPCS |
18:33.94 |
18:32.03 |
-1.91 |
| 16 |
Garrick, Nathaniel A (14)
|
FGSOFL |
17:51.92 |
18:32.23 |
40.31 |
| 17 |
Suarez, Mario E (13)
|
FGPCS |
17:55.08 |
18:40.82 |
45.74 |
| 18 |
McCrady, James H (14)
|
FGSFTL |
18:35.34 |
18:56.53 |
21.19 |
| 19 |
Cabrera, Ernesto (14)
|
FGMACM |
18:07.29 |
19:24.89 |
77.60 |