Round 1
| Position | BIB | Name | Team | Echelon | Mark |
|---|---|---|---|---|---|
| 1 | 64 | Lara Selores |
AESJP
|
SUB-18 | 03:45.91 |
| 2 | 65 | Mariana Miranda |
AESJP
|
SUB-18 | 04:03.67 |
| 3 | 328 | Esther Silva |
AEAB
|
SUB-16 | 04:10.34 |
| 4 | 300 | Joana Leite |
AEAB
|
SUB-18 | 04:30.48 |
| 5 | 63 | Lara Cruz |
AESJP
|
SUB-18 | 04:41.86 |