The highest competitive level of motocross racing in the U.S. Can also refer to any race held in an arena or stadium on man-made obstacles.

Supercross is a cycle racing sport involving racing specialized high performance off-road motorcycles on man made dirt tracks consisting of steep jumps and obstacles. Professional Supercross contest races are held almost exclusively within professional baseball and football stadiums.

Supercross is a ficticious 2005 film, directed by expert stunt director Steve Boyum. The movie is a mixture of youthful relationships set in the intense world of professional Supercross. Actors are mostly young talent just getting started in the dramatic world, with some attractive local people.