Round 1
| Position | BIB | Name | Team | Echelon | Mark |
|---|---|---|---|---|---|
| 1 | 418 | Isaac Nader |
SLB
|
SUB-23 | 04:01.83 |
| 2 | 334 | Nuno Pereira |
SCP
|
SUB-23 | 04:02.20 |
| 3 | 285 | Miguel Moreira |
SCB
|
SUB-23 | 04:03.93 |
| 4 | 79 | Gonçalo Casimiro |
CBF
|
SEN | 04:04.31 |
| 5 | 132 | Miguel Mascarenhas |
GDE
|
SEN | 04:04.52 |
| 6 | 28 | Simão Bastos |
ACPV
|
SUB-23 | 04:05.53 |
| 7 | 180 | David Azevedo |
JV
|
SUB-23 | 04:05.99 |
| 8 | 227 | João Cruz |
MAC
|
SEN | 04:07.35 |