The Strip at the Las Vegas Motor Speedway will host the 2024 SuperMotocross World Championship Playoff Rounds and Final in September . Last year’s landmark inaugural season saw two of the sport’s youngest and brightest stars cement their place in the history books . At just 17, Haiden Deegan earned Rookie of the Year and captured the 250cc World Championship while Australian sensation Jett Lawrence, at 20, became the first-ever 450Cc World Champion .