The 2018 Historic Sportscar Racing (HSR) season got underway at Sebring International Raceway last week with a pair of HSR WeatherTech Sprint races in support of the 66th running of the IMSA WeatherTech SportsCar Championship Mobil 1 Twelve Hours of Sebring.A doubleheader schedule of Wednesday and Thursday HSR WeatherTech Sprints...

The 2018 Historic Sportscar Racing (HSR) season gets underway at Sebring International Raceway next week with a pair of HSR WeatherTech Sprint races in support of the 66th running of the Mobil 1 Twelve Hours of Sebring IMSA WeatherTech SportsCar Championship race weekend, March 14-17.A solid entry of vintage and...