Round 1
| Position | BIB | Name | Team | Echelon | Mark |
|---|---|---|---|---|---|
| 1 | 880 | Tiago Santos |
CBA-S
|
SUB-16 | 05:28.75 |
| 2 | 724 | Daniel Inácio |
CLAC
|
SUB-16 | 06:01.71 |
| 3 | 83 | Tomás Cavaleiro |
A20KM
|
SUB-16 | 06:18.88 |