Round 1
| Position | BIB | Name | Team | Echelon | Mark |
|---|---|---|---|---|---|
| 1 | 426 | Maria Camolas |
PFC
|
SUB-18 |
01:09.01
|
| 2 | 399 | Eliéta Mendes |
NSCPSX
|
SUB-18 |
01:12.88
|
| 3 | 9 | Luna Dias |
AACC
|
SUB-18 |
01:12.99
|