| U18 boys |
|---|
| 1° | RODRIGUEZ Cesar (PER) | 43:04.18 |
| 2° | YURIVILCA Paulo (PER) | 43:04.23 |
| 3° | MOROCHO PIZARRO Braulio Stalin (ECU) | 44:15.83 |
| U18 girls |
|---|
| 1° | JARAMILLO NAVARRETE Karla Jhohana (ECU) | 48:43.94 |
| 2° | CORONADO GEMIO Stefany Mildred (BOL) | 49:50.74 |
| 3° | HUANCA RASGUIDO Odeth Roselen (BOL) | 51:24.89 |