Round 1
| Position | BIB | Name | Team | Echelon | Mark |
|---|---|---|---|---|---|
| 1 | 416 | Valentina Rodrigues |
IND
|
SUB-14 | 03:57.74 (401) |
| 2 | 446 | Maria Farinha |
ACRDBC
|
SUB-14 | 04:02.40 (366) |
| 3 | 435 | Matilde Fernandes |
ECAFC
|
SUB-14 | 04:19.36 (252) |
| 4 | 438 | Madalena Castro |
SBCB
|
SUB-14 | 04:42.95 (127) |
| 5 | 440 | Leonor Rito |
ACRDBC
|
SUB-14 | 04:54.50 (81) |
| 6 | 344 | Maria Francisca |
IND
|
SUB-14 | 05:04.77 (48) |
| DNS | 350 | Leonor Costa |
IND
|
SUB-14 | x |