| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Lavado, Marcos A (25)
|
FGAZFL |
3:57.50 |
4:06.34 |
8.84 |
| 2 |
Abascal, Bernardo (19)
|
FGAZFL |
4:16.37 |
4:13.20 |
-3.17 |
| 3 |
Lares, Andres A (17)
|
FGAZFL |
4:09.65 |
4:13.80 |
4.15 |
| 4 |
Jacobs, Daniel A (17)
|
FGPCS |
4:18.90 |
4:14.27 |
-4.63 |
| 5 |
Rodriguez, Rafael (15)
|
FGSOFL |
4:09.62 |
4:15.02 |
5.40 |
| 6 |
Iturbe, Julian Enrique (17)
|
FGAZFL |
4:19.22 |
4:15.24 |
-3.98 |
| 7 |
Vale, Nicholas R (15)
|
FGPCS |
4:18.69 |
4:20.67 |
1.98 |
| 8 |
Cardozo, Joseph J (17)
|
FGFFSC |
4:19.19 |
4:21.19 |
2.00 |
| 9 |
Amor, Matthew (15)
|
FGHSC! |
4:31.71 |
4:22.92 |
-8.79 |
| 10 |
Roche, Ricardo (17)
|
FGSOFL |
4:10.28 |
4:23.52 |
13.24 |
| 11 |
Tortola, Cristian (15)
|
FGAZFL |
4:23.93 |
4:26.32 |
2.39 |
| 12 |
Rivero, Bryan O (15)
|
FGHSC! |
4:24.69 |
4:26.43 |
1.74 |
| 13 |
Vasquez, Carlos (16)
|
FGTSA |
4:30.94 |
4:27.00 |
-3.94 |
| 14 |
Villanueva, Luis (16)
|
FGUN-0 |
4:55.64 |
4:28.00 |
-27.64 |
| 15 |
Bierman, Parker C (17)
|
FGNPB |
4:29.88 |
4:30.70 |
0.82 |
| 16 |
Asnis, Maximilian S (17)
|
FGSOFL |
4:16.41 |
4:32.77 |
16.36 |
| 17 |
Vatinelle, Matthieu A (18)
|
FGAKS |
4:18.47 |
4:36.46 |
17.99 |
| 18 |
Diaz, Juan G (17)
|
FGSOFL |
4:15.69 |
4:38.55 |
22.86 |
| 19 |
Novak, Antony P (16)
|
FGPCS |
5:05.31 |
4:39.77 |
-25.54 |
| 20 |
Dodge, Grant D (17)
|
FGNPB |
4:17.61 |
4:40.37 |
22.76 |
| 21 |
Rogatinsky, Andrew J (15)
|
FGPST |
5:06.51 |
4:43.13 |
-23.38 |
| 22 |
Sevilla, Sebastian E (15)
|
FGSOFL |
5:07.18 |
4:44.26 |
-22.92 |
| 23 |
Darin, Robert G (19)
|
FGPAQ |
4:23.94 |
4:44.91 |
20.97 |
| 24 |
Shover, Kaden W (17)
|
FGPAQ |
4:30.24 |
4:45.48 |
15.24 |
| 25 |
Gomez, Rodrigo A (15)
|
FGAZFL |
4:32.49 |
4:45.49 |
13.00 |
| 26 |
Furman, Henry (18)
|
FGPAQ |
4:42.03 |
4:51.00 |
8.97 |
| 27 |
Piza, Tomas D (16)
|
FGSAS |
4:27.00 |
4:54.36 |
27.36 |
| 28 |
Grady, Steven A (14)
|
FGPST |
4:42.39 |
4:55.30 |
12.91 |
| 29 |
Gallet, James D (16)
|
FGPST |
4:41.39 |
4:59.05 |
17.66 |
|
Pelaez, Tomas (15)
|
FGSOFL |
4:29.27 |
NS |
- |