Round 1
| Position | BIB | Name | Team | Echelon | Mark |
|---|---|---|---|---|---|
| 1 | 577 | Ana Catarina Carrelo |
THA
|
SEN | 05:06.00 |
| 2 | 613 | Inês Cotrim |
THA
|
SUB-18 | 05:44.69 (X) |
| 3 | 329 | Susana Louro |
CPA-S
|
M 40 | 06:09.98 |
| 4 | 753 | Valérie Santos |
CBA-S
|
M 40 | 06:50.99 |
| 5 | 761 | Rita Guedes |
CBA-S
|
M 40 | 06:59.32 (X) |