| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Lares, Sebastian A (12)
|
FGSOFL |
4:37.26 |
4:29.03 |
-8.23 |
| 2 |
Rodriguez, Agustin F (12)
|
FGHSC |
4:41.62 |
4:34.87 |
-6.75 |
| 3 |
Proscia, Christian G (12)
|
FGFAST |
4:54.70 |
4:55.83 |
1.13 |
| 4 |
Smith, Noah J (11)
|
FGFAST |
5:00.30 |
4:58.01 |
-2.29 |
| 5 |
Chen, Eddy W (12)
|
FGGRSC |
5:04.42 |
4:59.12 |
-5.30 |
| 6 |
Edwards, Chipper D (11)
|
FGFAST |
5:15.07 |
5:00.27 |
-14.80 |
| 7 |
Hau, Christopher (12)
|
FGSF |
5:15.14 |
5:01.57 |
-13.57 |
| 8 |
Farrell, Liam P (12)
|
FGJDST |
5:03.16 |
5:02.56 |
-0.60 |
| 9 |
Denhard, Wyatt J (12)
|
FGPCS |
5:16.54 |
5:06.99 |
-9.55 |
| 10 |
Arrese-Igor, Aitor (12)
|
FGPCS |
6:05.32 |
5:17.10 |
-48.22 |
| 11 |
Porven, Lucas A (11)
|
FGSOFL |
5:19.07 |
5:26.15 |
7.08 |
|
Rosenthal, Parker A (12)
|
FGGRSC |
5:13.57 |
DQ |
- |
|
Schulte, Jake D (12)
|
FGPOMP |
5:01.65 |
NS |
- |