Round 1
| Position | BIB | Name | Team | Echelon | Mark |
|---|---|---|---|---|---|
| 1 | 4300 | Beatriz Esmeriz |
MAC
|
SUB-16 | 26:37.99 |
| 2 | 3550 | Isabela Gomes |
CDP
|
SUB-16 | 29:03.28 |
| 3 | 3881 | Melinda Silva |
CSGAIA
|
SUB-16 | 29:11.03 |
| 4 | 5338 | Bárbara Ferraz |
RUNRIVER
|
SUB-16 | 29:51.46 |
| 5 | 4609 | Beatriz Neves |
RUNRIVER
|
SUB-16 | 44:55.95 |
| DSQ | 4631 | Joana Rocha |
RUNRIVER
|
SUB-16 | x |