Chandler Michael Smith Sr. is an American professional stock car racing driver. He competes full-time in the NASCAR Craftsman Truck Series, driving the No. 38 Ford F-150 for Front Row Motorsports, part-time in the NASCAR O'Reilly Auto Parts Series driving the No. 5 Ford Mustang Dark Horse for Hettinger Racing and part-time in the NASCAR Cup Series, driving the No. 36 Ford Mustang Dark Horse also for Front Row Motorsports.