PROVING GROUND | The Rise of an American Cyclist

Proving Ground follows professional cross country mountain biker Riley Amos, through his last Under 23 World Cup season, a year where he proved his ability to be a dominating force at the World Cup level.

From his roots in Durango, Colorado to standing on the Olympic stage, Riley's leading the charge for a new generation of American cyclists.

This is the story of a rising wave in U.S. mountain biking, the people and places that shaped it.