\nThe best riders in supercross compete across the country in the Monster Energy AMA Supercross series. Supercross events are sanctioned by both the American Motorcyclist Association and the Fédération Internationale de Motocyclisme (FIM), with the Monster Energy AMA Supercross series acting as the world's premiere level of supercross. \n\nSupercross consists of the 450SX class, featuring 249cc to 450cc motorcycles, and the 250SX class, consisting of two divisions that meet twice a year in the East-West Showdown.\n\nMany legendary racers have dominated supercross, including Jeremy McGrath, Ricky Carmichael, James Stewart, Ryan Villopoto, Chad Reed, and Ryan Dungey.\n\nRegarded as the king of action sports, Supercross has been described as one of the most physically demanding sports in the world. Monster Energy® Supercross can be seen on NBCSN, Peacock and Supercross Video Pass if you live outside the United States. Follow us on social media at @SupercrossLIVE.