April 1 2013 Martinsville STP Gas Booster 500 NASCAR Weekend Schedule Ryan Rantz NASCAR News Martinsville, Martinsville Practice Times, Martinsville Qualifying Time, Martinsville Race Time, Martinsville STP Gas Booster 500, NASCAR, Schedule, When will the race start Friday (April 5) Practice —> #1 12:00 – 1:30 PM Qualifying —> More