Tune into SPEED tonight starting at 5:00 p.m. ET for the Dallas SX broadcast. The AMA Supercross Lites class will kick things off, followed by the AMA Supercross class show at 6:00 p.m. ET. In addition, you can catch AMA Arenacross from San Antonio starting at 4:00 p.m. ET on Speed. As always, be sure to check your local listings.