NCWTS: Cole Custer Leads Kroger 250 Practice at Martinsville Speedway NCWTS: Cole Custer Leads Kroger 250 Practice at Martinsville Speedway Ashley McCubbin March 28, 2015 This weekend at Martinsville Speedway marks the debut of JR Motorsports’ new Camping World Truck Series team.... Read More Read more about NCWTS: Cole Custer Leads Kroger 250 Practice at Martinsville Speedway