Non-stop race action on Porsche Motorsport´s Twitter account (PorscheRaces): Get the latest race news of the new Porsche 911 RSR at the second round of the IMSA WeatherTech SportsCar Championship at the 12 Hours of Sebring at twitter.com/PorscheRaces. #porschedesign #porschedesignracingchallenge #sebring #12hoursofsebring #officialtimingpartnergtteam #pushingpersonalbests #porschemotorsport #motorsport #porsche