Round 1
| Position | BIB | Name | Team | Echelon | Mark |
|---|---|---|---|---|---|
| 1 | 2458 | Marta Néné |
AFSA
|
SUB-18 | 02:45.15 (515) |
| 2 | 79 | Luana Soares |
CASJ
|
SUB-18 | 02:59.88 (366) |
| 3 | 106 | Patrícia Lino |
NSF
|
SUB-18 | 03:02.46 (343) |
| 4 | 127 | Beatriz Svidruk |
COP
|
SUB-18 | 03:23.54 (178) |