Round 1
| Position | BIB | Name | Team | Echelon | Mark |
|---|---|---|---|---|---|
| 1 | 866 | Miriam Lourenço |
CMP
|
SUB-18 | 08:42.69 (X) |
| 2 | 872 | Luísa Conde |
THA
|
SUB-18 | 09:03.16 (X) |