Round 1
| Position | BIB | Name | Team | Echelon | Mark | 
|---|---|---|---|---|---|
| 1 | 208 | Ana Sofia Santos |  CPPEA | SUB-16 | 22:41   | 
| 2 | 451 | Ema Ramires |  QFC | SUB-16 | 24:08 (<<)   | 
| 3 | 1273 | Ana Rita Marques |  COP | SUB-16 | 24:27 | 
| 4 | 692 | Vanessa Rosa |  EAMT | SUB-16 | 24:52   | 
| 5 | 1276 | Clara Rijo |  COP | SUB-16 | 24:53 | 
| 6 | 345 | Daniela Delgado |  GDRV | SUB-16 | 25:20 | 
| 7 | 1275 | Beatriz Svidruk |  COP | SUB-16 | 25:59 | 
| 8 | 276 | Nicole Elmer |  CPPEA | SUB-16 | 27:14 | 
| 9 | 460 | Lara King |  QFC | SUB-16 | 28:14 | 
| 10 | 390 | Irish Lobo |  NDJL-ST | SUB-16 | 30:09 | 
| 11 | 510 | Luana Espírito Santo |  SLA | SUB-16 | 30:15 (<<< RT 54.7.3) | 
| 12 | 264 | Mariana Pereira |  CPPEA | SUB-16 | 31:07 | 
| DSQ | 508 | Lara Ribeiro |  SLA | SUB-16 | x (~~~~ RT 54.7.5) |