Sunday, December 13th $100 SPECIAL PRICE! Don't miss this special event! In honor of Buttonwillow Raceway's 20th anniversary, the OPEN TEST rate will be a $100 special. Full Day, Half day, 1/4 day, 3/4 day, all $100! All drivers must have track experience and we will run 2 groups, one for race prepped cars and one for street cars.