Round 1
| Position | BIB | Name | Team | Echelon | Mark |
|---|---|---|---|---|---|
| 1 | 718 | Inês Custódio |
JDAL
|
SUB-18 | 01:09.14 |
| 2 | 722 | Leonor Ferreira |
JDAL
|
SUB-18 | 01:14.60 (X) |
Round 2
| Position | BIB | Name | Team | Echelon | Mark |
|---|---|---|---|---|---|
| 1 | 105 | Elizaveta Shuyvan |
A20KM
|
SUB-20 | 01:01.79 |
| 2 | 787 | Carolina Salvado |
CPA-S
|
SUB-18 | 01:05.14 |
| 3 | 700 | Mafalda Abrantes |
AEAC
|
SUB-18 | 01:22.30 |