Round 1
| Position | BIB | Name | Team | Echelon | Mark |
|---|---|---|---|---|---|
| 1 | 193 | Francisco Couto |
QFC
|
SUB-18 | 03:03.89 (627) |
| 2 | 476 | Tiago Lupi Silva |
CPC
|
SUB-18 | 03:06.23 (604) |
| 3 | 239 | João Pedro Silva |
AAPL
|
SUB-18 | 03:10.48 (565) |
| 4 | 16 | Rodrigo Português |
ADTT
|
SUB-18 | 03:18.48 (495) |
| 5 | 210 | João Chão |
ADTT
|
SUB-18 | 03:18.69 (493) |