| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
D'Avi, Jack (16)
|
FGTSA |
4:52.43 |
4:27.54 |
-24.89 |
| 2 |
Kocoglu, Kenan S (17)
|
FGTSA |
4:41.64 |
4:28.82 |
-12.82 |
| 3 |
Machado, Diego (18)
|
FGTSA |
4:19.99 |
4:29.02 |
9.03 |
| 4 |
Quijada, Daniel (16)
|
FGHSC |
4:21.99 |
4:36.17 |
14.18 |
| 5 |
Lee, Jiehoon (16)
|
FGUNHA |
|
4:41.46 |
- |
| 6 |
Villegas, Anthony (16)
|
FGCCPR |
4:52.21 |
4:50.40 |
-1.81 |
| 7 |
Akouri, Alex S (17)
|
FGHSC |
5:05.00 |
4:54.90 |
-10.10 |
| 8 |
Daniels, Ethan (16)
|
FGYSF |
5:12.26 |
4:57.58 |
-14.68 |
| 9 |
Homes, Santiago (17)
|
FGUNTS |
|
4:58.95 |
- |
| 10 |
Quijada, Samuel E (16)
|
FGHSC |
5:15.12 |
5:10.68 |
-4.44 |
| 11 |
Gutierrez-McCormack, Jonatha (15)
|
FGHSC |
5:24.09 |
5:21.39 |
-2.70 |
| 12 |
Lobo, Jesse R (16)
|
FGCCPR |
5:34.61 |
5:29.45 |
-5.16 |
| 13 |
Padron, Yaniel O (15)
|
FGHSC |
|
5:34.29 |
- |
| 14 |
Salas, Matthew (15)
|
FGHSC |
5:00.00 |
5:34.49 |
34.49 |
| 15 |
Yaremenko, Alexander (15)
|
FGHAT |
5:46.44 |
5:36.08 |
-10.36 |
| 16 |
Mimick, Ethan M (18)
|
FGPAQ |
6:38.42 |
5:52.21 |
-46.21 |
| 17 |
Orellana, Juan C (17)
|
FGPOMP |
6:05.44 |
6:24.41 |
18.97 |