Round 1
| Position | BIB | Name | Team | Echelon | Mark |
|---|---|---|---|---|---|
| 1 | 1294 | Isabel Serras |
CAB
|
SUB-18 | 01:01.56 |
| 2 | 3533 | Ana Ferreira |
CDP
|
SUB-18 | 01:04.80 |
| 3 | 4272 | Raissa Baptista |
LAVRA
|
SUB-18 | 01:05.72 |