Porsche dominated the first free practice of the ADAC GT Masters weekend at the Nürburgring. Matteo Cairoli (23, ITA, Küs Team75 Bernhard) set the fastest time of the one-hour session in his 911 GT R ahead of Thomas Preining (21, AUT, Precote Herberth Motorsport) in a Porsche fielded by a rival outfit. In third place was Maro Engel (33, Monte Carlo, Toksport WRT) in the best of the Mercedes-AMG contingent. SPORT1 will be showing the two races on the famous circuit in the Eifel hills live and in full length. Saturday’s race starts at 14:45 and Sunday’s at 13:05 CEST.