Round 1
| Position | BIB | Name | Team | Echelon | Mark | 
|---|---|---|---|---|---|
| 1 | 5 | André Xavier |  A20KM | SUB-14 | 03:38.55 | 
| 2 | 1180 | Luís Guerreiro |  THA | SUB-12 | 03:42.10 | 
| 3 | 609 | Henrique Cruz |  THA | SUB-12 | 03:55.97 | 
| 4 | 1204 | Tomás Rosa |  IND | SUB-12 | 04:01.29 | 
| 5 | 1190 | Luís Gomes |  CNRM | SUB-12 | 04:03.08 | 
| 6 | 1193 | Sérgio Gomes |  CNRM | SUB-14 | 04:19.75 | 
| 7 | 1063 | Guilherme Fernandes |  CPA-S | SUB-12 | 04:21.87 | 
| 8 | 1200 | Bernardo Ventura |  CLAC | SUB-12 | 04:22.87 | 
| 9 | 1006 | Guilherme França |  JDAL | SUB-12 | 04:23.82 | 
| 10 | 599 | Daniel Veras |  THA | SUB-12 | 04:24.49 | 
| 11 | 176 | José Pedro Esteves |  ASFIC | SUB-12 | 05:27.34 | 
Round 2
| Position | BIB | Name | Team | Echelon | Mark | 
|---|---|---|---|---|---|
| 1 | 547 | Martim Almeida |  IND | SUB-14 | 03:22.45 | 
| 2 | 558 | Tomás Silvério |  IND | SUB-12 | 03:31.41 | 
| 3 | 1172 | Miguel Henriques |  CLAC | SUB-14 | 03:37.52 | 
| 4 | 768 | Ivan Svirsa |  CBA-S | SUB-14 | 03:44.00 | 
| 5 | 751 | Francisco Martins |  CBA-S | SUB-14 | 03:49.51 | 
| 6 | 636 | Miguel Pegas |  THA | SUB-14 | 03:52.31 | 
| 7 | 1202 | Afonso Rosa |  IND | SUB-12 | 03:54.46 | 
| 8 | 485 | David Bastos |  JDAL | SUB-12 | 03:54.79 | 
| 9 | 598 | Daniel Saldanha |  THA | SUB-12 | 03:55.33 | 
| 10 | 847 | Pedro Martins |  CLAC | SUB-12 | 04:27.23 | 
| 11 | 29 | Francisco Almeida |  A20KM | SUB-14 | 04:34.83 | 
| 12 | 77 | Shiv Patel |  A20KM | SUB-12 | 05:44.48 |