Round 1
| Position | BIB | Name | Team | Echelon | Mark |
|---|---|---|---|---|---|
| 1 | 819 | Joana Marques |
ACRSD
|
SUB-16 |
22:25.56
|
| 2 | 856 | Lara Fernandes |
OLIVAIS
|
SUB-16 | 23:02.87 (~) |
| 3 | 822 | Laura Santos |
AMCRS
|
SUB-16 | 24:51.68 (X) |
| 4 | 843 | Leonor Costa |
DEST
|
SUB-16 | 26:42.87 (X) |