Round 1
| Position | BIB | Name | Team | Echelon | Mark |
|---|---|---|---|---|---|
| 1 | 2456 | Nuno Mesquita |
AFSA
|
SUB-18 | 04:21.84 (799) |
| 2 | 8 | Erick Mesquita |
AABV
|
SUB-18 | 05:38.13 (360) |
| 3 | 46 | Filipe Soares |
AABV
|
SUB-18 | 05:44.46 (331) |
| 4 | 102 | Guilherme Gavina |
CRCDL
|
SUB-18 | 05:46.36 (322) |
| 5 | 97 | Tiago Ramos |
TOTAD
|
SUB-18 | 05:49.16 (310) |
| 6 | 11 | Danilson Lopes |
AABV
|
SUB-18 | 06:13.24 (213) |