Round 1
| Position | BIB | Name | Team | Echelon | Mark |
|---|---|---|---|---|---|
| 1 | 1797 | Gabriel Pereira |
PLF
|
SUB-16 | 03:38.87 (334) |
| 2 | 1195 | Diogo Henoch |
CDPRI
|
SUB-16 | 03:40.91 (320) |
| 3 | 1788 | Daniel Silva |
PLF
|
SUB-16 | 03:49.09 (265) |
| 4 | 1795 | Francisco Fernandes |
PLF
|
SUB-16 | 04:11.20 (141) |
| 5 | 1810 | Leandro Ferreira |
PLF
|
SUB-16 | 04:11.60 (139) |
| DNS | 1819 | Pedro Costa |
PLF
|
SUB-16 | x |
| DNS | 1200 | Guilherme Martins |
CDPRI
|
SUB-16 | x |