CORVETTE RACING AT ROAD AMERICA: Catsburg Leads Corvette 1-2 04.08.2024 02:45 Speedway Media Nicky Catsburg led a 1-2 effort in GTD PRO qualifying Saturday for Corvette Racing by Pratt Miller Motorsports at Road America with the team going for its second straight victory in the IMSA WeatherTech SportsCar Championship.