Round 1
| Position | BIB | Name | Team | Echelon | Mark |
|---|---|---|---|---|---|
| 1 | 1821 | Beatriz S. Pereira |
CSM
|
SUB-14 | 03:38.68 |
| 2 | 1958 | Mariana Machin |
ADRAP
|
SUB-16 | 03:57.53 |
| 3 | 3038 | Leonor Freitas |
ADRAP
|
SUB-16 | 04:06.74 |
| 4 | 2150 | Madalena Bernardo |
AJS
|
SUB-14 | 04:19.84 |
| 5 | 3096 | Margarida Cruz |
AJS
|
SUB-16 | 04:34.55 |