Round 1
| Position | BIB | Name | Team | Echelon | Mark |
|---|---|---|---|---|---|
| 1 | 3761 | Rafael Duarte |
CFOD
|
SUB-18 | 06:56.40 |
| 2 | 3737 | Luís Miranda |
CFOD
|
SUB-18 | 07:02.26 |
| 3 | 3734 | Lourenço Ferreira |
CFOD
|
SUB-18 | 07:25.04 |
| 4 | 7854 | André Lima |
GDC-VC
|
SUB-18 | 07:36.85 |
| 5 | 3508 | Duarte Lima |
CDCNAV
|
SUB-18 | 07:58.52 |
| 6 | 3510 | Filipe Fernandes |
CDCNAV
|
SUB-18 | 08:11.66 |