Round 1
| Position | BIB | Name | Team | Echelon | Mark |
|---|---|---|---|---|---|
| 1 | 3746 | Rita Gomes |
CFOD
|
SUB-18 | 07:30.12 |
| 2 | 4069 | Carolina Carvalho |
GDRJR
|
SUB-18 | 07:36.62 |
| 3 | 3537 | Ana Ferreira |
CDP
|
SUB-18 | 08:20.82 |
| 4 | 3273 | Beatriz Leão |
ARLVG
|
SUB-18 | 08:25.72 |
| 5 | 4915 | Luciana Miranda |
CDCNAV
|
SUB-18 | 09:01.77 |
| 6 | 4714 | Luana Cunha |
UDV
|
SUB-18 | 09:58.42 |
| 7 | 363 | Mariana Ferreira |
CDP
|
SUB-18 | 11:16.71 |