Round 1
| Position | BIB | Name | Team | Echelon | Mark | 
|---|---|---|---|---|---|
| 1 | 1836 | Gonçalo Mendonça |  CSM | SUB-18 | 04:37.01   | 
| 2 | 1358 | Afonso Nóbrega |  AJS | SUB-16 | 04:38.15   | 
| 3 | 1441 | Diogo Mendonça |  ADRAP | SUB-16 | 05:01.64   | 
| 4 | 1608 | Jesus Gouveia |  ADRAP | SUB-16 | 05:26.01 |