Round 1
Wind = +2.5 (Manual)
| Position | BIB | Name | Team | Echelon | Mark | 
|---|---|---|---|---|---|
| 1 | 167 | Rafael Martins |  AEAC | SUB-16 | 09.48 (Q) | 
| 2 | 899 | Rafael Costa |  CLAC | SUB-16 | 10.04 (Q) | 
| 3 | 1224 | Guilherme Gomes |  CPA-S | SUB-16 | 10.19 (Q) | 
| 4 | 979 | Pedro Sanguinho |  CLAC | SUB-16 | 10.41 (q) | 
| 5 | 1172 | Miguel Henriques |  CLAC | SUB-14 | 10.45 (q) | 
Round 2
Wind = +2.6 (Manual)
| Position | BIB | Name | Team | Echelon | Mark | 
|---|---|---|---|---|---|
| 1 | 1032 | Gustavo Fialho |  AEAC | SUB-14 | 09.91 (Q) | 
| 2 | 195 | Gabriel Ribeiro |  GAF | SUB-16 | 09.98 (Q) | 
| 3 | 634 | Martim Félix |  THA | SUB-16 | 10.36 (Q) | 
| 4 | 1194 | André Gameiro |  THA | SUB-16 | 11.05 | 
| 5 | 223 | Salvador Duarte |  CDAA | SUB-14 | 11.43 |