Round 1
| Position | BIB | Name | Team | Echelon | Mark |
|---|---|---|---|---|---|
| 1 | 1129 | Carolina Morgado |
AEAC
|
SUB-16 | 01:06.85 |
| 2 | 2079 | Kira Roque |
CANAZ
|
SUB-16 | 01:11.63 (X) |
| 3 | 136 | Mafalda Abrantes |
AEAC
|
SUB-16 | 01:19.61 (X) |
| DNS | 981 | Mariana Carvalho |
CBA-S
|
SUB-16 | x |
Round 2
| Position | BIB | Name | Team | Echelon | Mark |
|---|---|---|---|---|---|
| 1 | 21 | Elizaveta Shuyvan |
A20KM
|
SUB-18 | 01:00.54 |
| 2 | 492 | Matilde Ferreira |
JDAL
|
SUB-18 | 01:01.64 |
| 3 | 2062 | Marta Feliciano |
JV
|
SUB-18 | 01:03.82 (X) |
| 4 | 305 | Matilde Matafome |
CPA-S
|
SUB-18 | 01:06.82 |
| 5 | 629 | Luísa Conde |
THA
|
SUB-18 | 01:12.94 |