Round 1
| Position | BIB | Name | Team | Echelon | Mark |
|---|---|---|---|---|---|
| DNF | 334 | António Rodrigues |
CAS
|
SEN | DNF |
| 1 | 351 | João Pais |
CAS
|
SUB-23 | 03:53.09 |
| 2 | 357 | Tiago Correia |
CAS
|
VET 35 | 04:23.27 |
| DNF | 333 | André Jordão |
CAS
|
SEN | DNF |
| DNS | 347 | Filipe Rosa |
CAS
|
SEN | DNS |
| 3 | 345 | Cesário Simões |
CAS
|
VET 50 | 05:20.43 |
| DNS | 352 | Luís Filipe Rosa |
CAS
|
VET 50 | DNS |
| 4 | 378 | Miguel Nunes |
CDCFASA
|
JUN | 05:42.75 |