| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Plokhotnichenko, Ernest (12)
|
FGEA |
2:25.10 |
2:20.28 |
-4.82 |
| 2 |
Corona, Alejandro (12)
|
FGASC |
|
2:24.28 |
- |
| 3 |
Sullivan, Ethan M (12)
|
FGEA |
2:28.98 |
2:25.84 |
-3.14 |
| 4 |
Fanjul, Maximo A (12)
|
FGCANE |
2:58.98 |
2:36.76 |
-22.22 |
| 5 |
Coronel, Victor A (12)
|
FGMBS |
|
2:37.66 |
- |
| 6 |
Gonzalez, Daniel (12)
|
FGASC |
3:04.34 |
2:38.07 |
-26.27 |
| 7 |
Dame, Jarrid W (11)
|
FGCANE |
2:56.07 |
2:46.75 |
-9.32 |
| 8 |
Fernandez, Eduardo P (12)
|
FGUNRA |
2:51.75 |
2:46.94 |
-4.81 |
| 9 |
Kassin, Roberto J (12)
|
FGMCDA |
|
2:58.03 |
- |
| 10 |
Delvat, Victor P (11)
|
FGCANE |
2:58.71 |
3:03.73 |
5.02 |
| 11 |
Cruz, Lucas M (11)
|
FGCANE |
3:08.58 |
3:06.81 |
-1.77 |
| 12 |
Atkatz, Skyler T (11)
|
FGMBS |
|
3:19.80 |
- |
| 13 |
Fachetti-Carvhalo, Gabriel (12)
|
FGASC |
|
3:25.69 |
- |
| 14 |
Mandel, Jack (11)
|
FGMCDA |
|
3:39.01 |
- |
|
Tampied, Mateo * (11)
|
FGCANE |
2:49.24 |
NS |
- |
|
Verdi, Luca L (11)
|
FGCANE |
3:01.66 |
NS |
- |