SEBRING, Fla.—The 2017 IMSA Sebring Winter Test is over. For two days three dozen of the world's fastest sports cars bounced and blasted around Sebring Raceway's 3.74 miles of cracked ...
SEBRING, Fla.—Thirty-four cars from IMSA's WeatherTtech Sportscar Championship Will be lapping Sebring International Raceway's 3.74-mile track Thursday ...