Racer X Films: KTM Jr Supercross Challenge February 2, 2013, 7:40pm Chad DeRosa Home Multimedia Racer X Films Racer X Films: KTM Jr Supercross Challenge Anaheim, CA Anaheim III (A3)Monster Energy AMA Supercross Championship After a 5 year hiatus to the supercross tour, the KTM Jr Supercross Challenge makes its return as the half time exhibition show at the Monster Energy Supercross.
