Round 1
| Position | BIB | Name | Team | Echelon | Mark |
|---|---|---|---|---|---|
| 1 | 2068 | Maria Marques |
QFC
|
SUB-16 | 51.91 (X) |
| 2 | 931 | Lara Almeida |
CPA-S
|
SUB-16 | 53.18 |
| 3 | 1099 | Beatriz Oliveira |
AEAC
|
SUB-16 | 57.13 |
| 4 | 641 | Maria Pita |
THA
|
SUB-16 | 58.55 |
| 5 | 275 | Laura Oliveira |
CLAC
|
SUB-16 | 01:01.38 |