The IMSA WeatherTech SportsCar Championship series finale, Motul Petit Le Mans, will feature 54 cars, the maximum number that Michelin Raceway Road Atlanta can accommodate. The 10-hour race, set for Oct. 12 on the 2.54 mile, 12-turn circuit, will determine not only the full-season champions in every category, but the...

The third quarter of the Mobil 1 Twelve Hours of Sebring ended under the race's ninth caution after Fred Makowiecki in the No. 6 Porsche Penske Motorsports 963 made contact with the GTD-class No. 66 Gradient Racing Acura NSX GT3 Evo22 while attempting to pass in Turn 17. The Acura...