Photos: NASCAR at Martinsville Speedway Friday March 23, 2018

MARTINSVILLE, VA - MARCH 23: Cody Coughlin, driver of the #2 Chevrolet, and Harrison Burton, driver of the #51 DEX Imaging Toyota, practice for the NASCAR Camping World Truck Series Alpha Energy Solutions 250 at Martinsville Speedway on March 23, 2018 in Martinsville, Virginia. (Photo by Jared C. Tilton/Getty Images)