Round 1
| Position | BIB | Name | Team | Echelon | Mark |
|---|---|---|---|---|---|
| 1 | 669 | Sofia Xavier |
GDR
|
SUB-16 | 03:14.55 |
| 2 | 639 | Carolina Monteiro |
DEST
|
SUB-16 | 03:54.30 |
| 3 | 642 | Leonor Costa |
DEST
|
SUB-16 | 03:54.36 |
| 4 | 626 | Mariana Vicente |
CARDES
|
SUB-16 | 04:30.84 |