Round 1
| Position | BIB | Name | Team | Echelon | Mark |
|---|---|---|---|---|---|
| 1 | 891 | João Pedro Silva |
CBA-S
|
SUB-20 | 21:39 |
| 2 | 964 | Afonso Carvalho |
ASFIC
|
SUB-20 | 22:55 |
| 3 | 475 | Afonso Santos |
JDAL
|
SUB-20 | 24:34 |
| 4 | 610 | Guilherme Mendonça |
THA
|
SUB-20 | 25:30 |