Shangri-La II Motor Speedway has announced that the pre-season open practice days at the the half-mile concrete oval have been chaged to Saturday, April 17, and Saturday, April 24. Originally practice had been announced for the Sundays of those same weekends. All activity at the Concrete Castle in April will now take place on Saturday, with the second open house and registration day this Saturday, April 10, followed by the open practice days on the next two Saturdays.

Opening day for the 2010 season featuring the Concrete Duals follows on Saturday, May 1, with the Mother's Day Delight program on Saturday, May 8. The first Sunday event of the year comes on May 16 when the Race of Champions Modified Series makes ite first appearance at Shangri-La II.