DIRTcar Nationals

Volusia Speedway Park 
1500 E. State Road 40 
Deleon Springs, Fl 32130 
Office - (386) 985-4402 
Fax - (386) 985-6258 

World Racing Group
Corporate Headquarters
7575-D West Winds Blvd.
Concord, NC 28027
Toll Free: 1-704-795-RACE (7223)

U.M.P. DIRTcar Series
PO Box 411
Grayville, IL 62844
Phone: (618) 450-2072
Fax: (618) 450-2079