German driver David Kolkmann earned his second Porsche GT3 Cup Challenge USA by Yokohama victory in three tries on Sunday morning at Mid-Ohio Sports Car Course.Driving the No. 71 Park Place Motorsports Porsche 911 GT3 Cup machine, the 21-year-old racer took the lead from polesitter Trenton Estep going through the...

After starting from the pole position for the third consecutive time in Porsche GT3 Cup Challenge USA by Yokohama competition, 17-year-old Canadian Roman De Angelis finally cashed in to score his first Platinum Cup race victory Saturday in the series' first of two races at Barber Motorsports Park.Driving the No....