Round 1
| Position | BIB | Name | Team | Echelon | Mark |
|---|---|---|---|---|---|
| 1 | 147 | Tomás Nobre |
AEAC
|
SUB-20 | 04:09.63 |
| 2 | 45 | Manuel Gafeira |
A20KM
|
SUB-20 | 04:39.35 |
| 3 | 830 | Tiago Santos |
CBA-S
|
SUB-18 | 04:48.67 |