Round 1
| Position | BIB | Name | Team | Echelon | Mark |
|---|---|---|---|---|---|
| 1 | 240 | Marta Martins |
CASJ
|
SUB-20 | 02:45.64 (510) |
| 2 | 225 | Joana Paulino |
CASJ
|
SUB-20 | 03:04.31 (326) |