Round 1
| Position | BIB | Name | Team | Echelon | Mark |
|---|---|---|---|---|---|
| 1 | 15 | António Oliveira |
ACDCVC
|
SUB-20 | 04:41.84 (669) |
| 2 | 60 | Gonçalo Alegria |
SCP
|
SUB-20 | 04:42.06 (667) |
| 3 | 36 | Guilherme Tavares |
GCAD
|
SUB-20 | 04:58.81 (567) |
| 4 | 54 | José Passo |
LAVRA
|
SUB-20 | 05:02.64 (545) |
| 5 | 44 | João Martins |
JV
|
SUB-20 | 05:19.48 (453) |
| 6 | 20 | Rafael Santos |
ACRDE
|
SUB-20 | 05:24.06 (429) |
| 7 | 67 | Pedro Ribeiro |
SLB
|
SUB-20 | 05:58.70 (269) |