Umpdirtcarroundup

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
P.O. Box 411
Grayville, IL
Phone: (618) 450-2072
Fax:  (618) 450-2079

I-55 Raceway
P.O. Box 614
Pevely, MO 63070
Phone: (636) 479-3219