Round 1
| Position | BIB | Name | Team | Echelon | Mark |
|---|---|---|---|---|---|
| 1 | 422 | João Alexandre |
NJCPN
|
SUB-18 | 03:05.34 (manual) |
| 2 | 377 | Gabriel Castilho |
GCAD
|
SUB-18 | 04:12.93 (manual) |
| 3 | 308 | José Maurício |
NJCPN
|
SUB-18 | 04:29.53 (manual) |
| 4 | 425 | Martim Cardoso |
NJCPN
|
SUB-18 | 04:31.01 (manual) |
| DNF | 195 | Alexandre Carrola |
ECAFC
|
SUB-18 | x |