Derek Kelley is an American professional motocross and supercross rider from Riverside, California. Born November 18, 1998, Kelley has built his career through determination and strong privateer performances, earning his way into AMA Supercross and Pro Motocross competition in the 250 class. Known for his work ethic and consistency,Kelley continues to compete at a high level in both U.S. and international racing, representing the grit and perseverance of modern professional motocross.