Ticket value can be exchanged for another day at event; Sprint Cars, UMP Modifieds back on track Thursday BARBERVILLE, Fla. - Feb. 13, 2013 - Heavy rain moving across central Florida forced track and series officials to cancel Wednesday night's UNOH DIRTcar Nationals Presented by Summit Racing Equipment action at Volusia Speedway Park. Fans who purchased a ticket for Wednesday night's races can exchange its value for another ticket during the remaining 10 days of the event. The action picks back up on Thursday night at Volusia with UNOH All Star Circuit of Champions Sprint Cars and DIRTcar UMP Modifieds. Beginning Friday, the World of Outlaws STP Sprint Cars will join the UMP Modifieds. On Monday, DIRTcar Late Models begin competing at Volusia followed by Super DIRTcar Series Big-Block Modifieds and World of Outlaws Late Models. For more information and updates on the UNOH DIRTcar Nationals Presented by Summit Racing Equipment, click DIRTcarNationals.com or follow on Twitter at Twitter.com/DIRTcarNats. For ticket questions, call the track at 386-985-4402.