Downhill is a 2016 Chilean thriller film directed by Patricio Valladares, who also co-wrote the screenplay with Barry Keating.
After his best friend dies in a racing accident, biking star Joe agrees to participate in an exhibition race in Chile. While on a test run with his girlfriend, Stephanie, they stumble upon a badly injured man who is dying from a mysterious virus. This discovery sets off a chain of events that leads to a dangerous situation as they become the targets of ruthless killers who will do anything to keep their secret from leaving the mountains.
The filming began on May 15, 2015 in Chile, and ended in the mid-June. Mixing GoPro footage and stunning cinematography of the mesmerizing Chilean wilderness, Downhill slowly transforms from a sports movie into a body horror tale just as the characters are transformed by something hidden inside them just waiting to burst outâ¦