The race returns with an exciting field of 168 competitors , who will set out on the course Sunday , 4 October .
The race cross the finish line in the historic town of San Pedro de Atacama on Saturday , 10 October .
The race returns with an exciting field of 168 competitors , who will set out on the course Sunday , 4 October , and cross the finish line in the historic town of San Pedro de Atacama on Saturday , 10 October .