Round 1
| Position | BIB | Name | Team | Echelon | Mark |
|---|---|---|---|---|---|
| 1 | 802 | Luisa Burguete |
CBA-S
|
SUB-20 | 05:23.44 |
| 2 | 967 | Inês Cotrim |
THA
|
SUB-18 | 05:37.36 |
| 3 | 315 | Leonor Batata |
CPA-S
|
SUB-18 | 05:51.05 |
| 4 | 316 | Luna Rodrigues |
CPA-S
|
SUB-18 | 06:01.39 (X) |
| 5 | 559 | Vera Martinho |
SCA
|
M 40 | 06:29.19 |
| 6 | 713 | Carolina Oliveira |
CBA-S
|
SEN | 07:14.33 (X) |