Round 1
| Position | BIB | Name | Team | Echelon | Mark |
|---|---|---|---|---|---|
| 1 | 947 | Ana Santos |
NAC
|
M 50 | 03:03.61 |
| 2 | 1257 | Fátima Aleixo |
CAO
|
M 50 | 03:24.44 |
| 3 | 1156 | Susana Duarte |
SSTSJM
|
M 50 | 03:38.62 |