Paul Holton scored a clean sweep Saturday Mazda Raceway Laguna Seca by winning both pole positions, both 40-minute Touring Car races and claiming the Touring Car class driver's championship in the No. 71 C360R Audi RS3 LMS Club Sport in the Pirelli World Challenge Grand Prix of Monterey.Holton, the 21-year-old...

BMW's Greg Liefooghe and Mason Filippi led the two Friday Pirelli World Challenge practice rounds for the Touring Car class at Utah Motorsport Campus in the Security National Mortgage Supercar Grand Prix of Utah.Liefooghe, a TC race winner at VIR in May, recorded the fastest TC lap on Friday in...