Round 1
| Position | BIB | Name | Team | Echelon | Mark |
|---|---|---|---|---|---|
| 1 | 372 | Filipa Morgado |
EAMT
|
M 50 |
17:35.06
|
| 2 | 354 | Justina Pereira |
CRDS
|
M 50 |
17:36.95
|
| 3 | 571 | Ana Macedo |
UAP
|
M 50 |
18:36.18
|
| 4 | 494 | Maria Fátima Costa |
IND
|
M 50 | 20:10.19 |
| 5 | 557 | Natália Santos |
SSTSJM
|
M 50 | 22:46.19 |
| DNS | 61 | Alexandra Lamas |
AFS
|
M 50 | x |