After 20 minutes, Connor De Phillippi held top spot in GTD Pro in the Rahal Letterman Lanigan-run BMW M4, with a 1min45.196sec effort around the 3.27-mile road course. This was almost 0.3sec ahead of Matt Campbell’s Pfaff Motorsports Porsche 911 GT3 R.
These two brands also occupied the first couple of slots in GTD, too, with Jan Heylen’s Wright Motorsports Porsche a mere 0.009sec ahead of Bryan Sellers in the Paul Miller Racing BMW. Behind them was Philip Ellis in the Winward Racing Mercedes-AMG GT3, followed by the two Lexus RC Fs run by Vasser Sullivan Racing – Jack Hawksworth 0.04sec ahead of Aaron Telitz.
