3GT Racing – Detroit Grand Prix Photos June 7, 2017 by Walters Web Design Leave a Comment 3GT Racing photos from Belle Isle Park in Detroit, MI Post Views: 236 Filed Under: Photos Tagged With: Belle Isle Park, Detroit, Detroit Grand Prix, IMSA, IMSA WeatherTech SportsCar Championship, Jack Hawksworth, Lexus, Robert Alon, Sage Karam, Scott Pruett