Henry Miller is a professional motocross and supercross rider from DeWitt, Michigan, who turned pro in 2016. During the 2025 season, Miller delivered a strong performance, finishing 8th overall in the AMA Supercross 250SX East Division and 24th overall in the AMA Pro Motocross 450 Class, earning 29 points in the premier outdoor category. Known for his grit, consistency, and determination, Miller continues to establish himself as a reliable and competitive presence in both supercross and motocross competition.