The full weekend of racing at Sebring's main events are the WEC 1,000 Miles of Sebring (noon-8 p.m. ET on Friday) and IMSA's 71st Mobil 1 Twelve Hours of Sebring (10 a.m.-10 p.m. ET on Saturday).

Seven weeks have felt like an eternity but at last, the IMSA WeatherTech SportsCar Championship is back in action this Saturday with arguably its most demanding race of the season: The 73rd annual ...