Round 1
| Position | BIB | Name | Team | Echelon | Mark |
|---|---|---|---|---|---|
| 1 | 613 | Inês Cotrim |
THA
|
SUB-18 | 12:42.31 |
| 2 | 934 | Luna Rodrigues |
CPA-S
|
SUB-18 | 13:18.28 |
| 4 | 929 | Carolina Salvado |
CPA-S
|
SUB-18 | 13:28.86 (X) |
| 4 | 913 | Sofia Fernandes |
CNRM
|
SUB-18 | 13:37.84 |