Round 1
| Position | BIB | Name | Team | Echelon | Mark |
|---|---|---|---|---|---|
| 1 | 4847 | Mariana Monteiro |
CSGAIA
|
SUB-20 | 02:41.39 (557) |
| 2 | 6044 | Yara Lemos |
CTMVPA
|
SUB-20 | 02:48.21 (482) |