Justin Cooper

Justin Cooper (born August 31, 1997) is an American professional motorcycle racer who competes in AMA Supercross and Motocross. He is the 2021 AMA Supercross 250cc West champion & was a member of the winning USA team at the 2022 Motocross Des Nations.

Career Justin Cooper began racing while growing up in Cold Spring Harbor, New York, where seasonal weather limited year-round training. Unlike many top amateur riders, he did not relocate for winter training and attended college briefly after high school. Cooper won four AMA Amateur National Motocross Championships at the Loretta Lynn’s Ranch. His 2017 titles in the Open Pro Sport and 250 A classes gained attention and led to his professional debut with CycleTrader.com/Rock River Yamaha at the final rounds of the 2017 Lucas Oil AMA Pro Motocross Championship.

In 2021, Cooper won the 250SX West Region championship in the Monster Energy Supercross series, while riding for Monster Energy Yamaha Star Racing. The same year, He also competed in the Lucas Oil Pro Motocross Championship 250 Class, finishing second overall behind Jett Lawrence.

In the 2025 Monster Energy AMA Supercross season, Cooper finished third overall in the 450SX class, accumulating 281 points over the 17-round series without securing a main event win. Cooper recorded multiple top-five finishes, including a second place in Indianapolis and a third place in the final round in Salt Lake City.

AMA Supercross/Motocross results