| Rank | Bib | Name | Affiliation | Time | Gap |
| 1 | 47 | SANABRIA SANCHEZ, Ana Cristina | COL | 00:18:32.4900 | |
| 2 | 48 | GULUMA ORTIZ, Serika Mitchell | COL | 00:19:03.4400 | +30.95 |
| 3 | 57 | NUNEZ, Miryan | ECU | 00:19:13.1600 | +40.67 |
| 4 | 37 | VILLALON SANCHEZ, Aranza Valentin | CHI | 00:19:31.4700 | +58.98 |
| 5 | 87 | CHACON, Lilibeth | VEN | 00:19:33.6400 | +1:01.15 |
| 6 | 88 | GARCIA, Daniely | VEN | 00:19:36.4200 | +1:03.93 |
| 7 | 7 | PILZ, Estefania | ARG | 00:20:33.2100 | +2:00.72 |
| 8 | 78 | FERN?NDEZ QUISPE, Luddy Alheli | PER | 00:20:52.1600 | +2:19.67 |
| 9 | 67 | GALEANO CENTURION, Araceli Jazmin | PAR | 00:21:16.9000 | +2:44.41 |
| 10 | 17 | SARABIA, Micaela | BOL | 00:21:23.9400 | +2:51.45 |
| 11 | 77 | PAULETT BUSTAMANTE, Angie Marielle | PER | 00:21:25.2900 | +2:52.80 |
| 12 | 18 | TORRICO, Raquel | BOL | 00:22:06.1800 | +3:33.69 |
