Get into the checkered-flag spirit at this big and loud NASCAR Sprint Cup Series event. Cheer for your favourite drivers as they zoom for the front in this 5-wide race event. The action kicks off Friday on NASCAR qualifying day, with NASCAR drivers competing for the top starting position for the Auto Club 400. On Saturday, catch the white-knuckled racing action as NASCAR's top drivers battle up-and-coming young guns at the Royal Purple 300. Then hold onto your hats for Sunday’s thrilling main event, Auto Club 400, one of the country’s premier NASCAR events. Splurge on special pit passes to hang with drivers and crew. You can also camp on the grounds—just be ready to party.