Racing the Hidden Dragon follows a group of endurance runners who are about to participate in a 100 grueling kilometer cross-country competition called The Trailwalker. This race takes place in the rugged mountains of Hong Kong each year.

Racing the Hidden Dragon follows a group of endurance runners who are about to participate in a 100 grueling kilometer cross-country competition called The Trailwalker. This race takes place in the rugged mountains of Hong Kong each year.