PWC: Championship Sunday at Mazda Raceway Laguna Seca

Olivier Beretta (left) and Johnny O'Connell will vie for the GT driver's championship at MRLS.It's championship Sunday at Mazda Raceway Laguna Seca! All seven Pirelli World Challenge classes are set to complete the 2015 season at the Grand Prix of Monterey presented by Cadillac.GT/GTA drivers will race Round 20, while GT Cup drivers will compete in Round 18. Drivers in the GTS class will race Round 17, while TC, TCA and TCB drivers will race Round 18.Watch live streaming of all three races today at world-challengetv.com or motortrendondemand.com. TC Round 18 at 8:35 a.m. Pacific/11:35 a.m. Eastern. GTS Round 17 at 10:20 a.m. Pacific/1:25 p.m. Eastern and GT/GTA Round 20/GT Cup Round 18 at 1:05 a.m. Pacific/4:05 p.m.