Round 1
| Position | BIB | Name | Team | Echelon | Mark |
|---|---|---|---|---|---|
| 1 | 6399 | Matilde Vilela |
GCVR
|
SUB-16 | 02:42.53 (544) |
| 2 | 6502 | Bárbara Fontinha |
GCVR
|
SUB-16 | 03:16.23 (229) |
| 3 | 9015 | Beatriz Feniman |
GCB
|
SUB-16 | 04:38.74 (0) |
| DNF | 6439 | Liana Machado |
CTMVPA
|
SUB-16 | x |