Round 1
| Position | BIB | Name | Team | Echelon | Mark |
|---|---|---|---|---|---|
| 1 | 2470 | Jonas António |
AJS
|
SUB-16 | 03:09.76 (572) |
| 2 | 1832 | Mateus Jesus |
CSM
|
SUB-16 | 03:24.36 (445) |
| 3 | 1841 | Fábio Aguiar |
CSM
|
SUB-16 | 03:29.58 (404) |
| 4 | 2061 | Rodrigo Teixeira |
ADRAP
|
SUB-16 | 03:30.28 (398) |