Round 1
| Position | BIB | Name | Team | Echelon | Mark |
|---|---|---|---|---|---|
| 1 | 1561 | Diana Franco |
JIV
|
SUB-18 | 04:52.60 |
| 2 | 1566 | Helena Rodrigues |
JIV
|
SUB-18 | 05:11.88 |
| 3 | 1506 | Lara Peixoto |
ACM-A
|
SUB-18 | 05:49.16 |