Round 1
| Position | BIB | Name | Team | Echelon | Mark |
|---|---|---|---|---|---|
| 1 | 1839 | Carolina Faria |
LFC-F
|
SUB-14 | 03:46.58 |
| 2 | 4918 | Maria Dourado |
CDCNAV
|
SUB-14 | 03:49.21 |
| 3 | 1858 | Leonor Monteiro |
LFC-F
|
SUB-14 | 03:49.26 |
| 4 | 1836 | Bianca Barbosa |
LFC-F
|
SUB-14 | 04:06.59 |
| 5 | 1848 | Iara Sathler |
LFC-F
|
SUB-14 | 04:16.44 |
| 6 | 1861 | Mariana Brandão |
LFC-F
|
SUB-14 | 04:23.18 |