Round 1
| Position | BIB | Name | Team | Echelon | Mark |
|---|---|---|---|---|---|
| 1 | 735 | Pedro Sarabando |
GRECAS
|
M 50 | 17:59.46 |
| 2 | 298 | Pedro Silva |
CAO
|
M 50 | 18:41.44 |
| 3 | 510 | Rui Silva |
CENAP
|
M 50 | 19:12.82 |
| 4 | 315 | Dinis Batista |
CAO
|
M 50 | 20:04.18 |
| 5 | 689 | Hilário Espadilha |
GRECAS
|
M 50 | 20:25.94 |