71 Marco Polo Motorsports KTM X-Bow GT4 to victory in Saturday’s Pirelli GT4 America SprintX event at Sonoma Raceway. At the start Robby Foley would slot in second overall, first in the Pro-Am class with Kris Wilson, who moved up two spots, running third overall, first in the Am class. The race went back to green with 44 minutes remaining with Siljehaug leading Foley, Wilson and Kenton Koch. 16 Rearden Racing Mercedes AMG GT4, kept the Am class lead, running seventh overall. With 10 minutes remaining Jon Miller would sneak past his teammate Harry Gottsacker for ninth overall, third in the Silver class. 16 Rearden Racing Mercedes AMG GT4, with Sean Gibbons and Zac Anderson finishing second in class. Kris [Wilson] is a huge help and Rearden gives us a great car every race and we’re happy to get the win,” said Allen.

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