Round 1
| Position | BIB | Name | Team | Echelon | Mark |
|---|---|---|---|---|---|
| 1 | 1468 | Luís Rodrigues |
CAB
|
SUB-14 | 03:40.52 (323) |
| 2 | 1225 | Francisco Fernandes |
PLF
|
SUB-14 | 03:57.03 (216) |
| 3 | 1153 | Gabriel Guimarães |
SCB
|
SUB-14 | 04:13.77 (129) |
| DNS | 1232 | Guilherme Ramalheiro |
PLF
|
SUB-14 | x |