Austin, Texas - Samantha Tan and Jon Miller (SprintX Silver) put the #38 ST Racing BMW M4 GT4 on top of the opening Pirelli GT4 America practice session at Circuit of the Americas with a best lap of 2:17.121. Robby Foley and Michael Dinan (SprintX Pro-Am) were next up with a 2:17.301 fastest lap in the #21 Flying Lizard Motorsports Aston Martin Vantage GT4 with Jason Bell and Andrew Davis (SprintX Pro-Am) third quickest in the #2 GMG Racing Porsche 718 Cayman GT4.
Michael Cooper led the Sprint competitors in the #10 Blackdog Speedshop McLaren 570S GT4with a 2:18.457 fastest lap, good enough for eighth overall.
Sean Quinlan and the #10 Stephen Cameron Racing BMW M4 GT4 were the fastest of the Sprint Am drivers with a 2:18.604 best lap, which placed him tenth overall.
The second Pirelli GT4 America Sprint and SprintX Practice session will go green at 1:10pm CT today. Following along live at https://www.gt4-america.com/live.
PROVISIONAL RESULTS - GT4-GT4X_PRAC1