Matt Bell starts fourth in Brickyard Sports Car Challenge.
Edwards led 42 laps, and Liddell 25, making a race high for combined driver laps led during the Sahlen's Six Hours of the Glen.
The victory is the second consecutive in 2013 for João Barbosa and Christian Fittipaldi in Corvette DP and fourth win in five races for Camaro GT.R piloted by Robin Liddell and John Edwards.
Battling leg cramps, Christian Fittipaldi kept the Action Express Racing Corvette SP in front for his and Joao Barbosa’s second consecutive Grand-Am Rolex Series win. Stevenson Motorsports won the GT class.
In the 16-car GT field, the rain held off and a first-time pole winner emerged as Robin Liddell set the fastest time on the Watkins Glen road course.
Edwards out front in bid for fourth consecutive GT win for Stevenson. In the Continental Tire Sports Car Challenge, Buford, Combs lead record-breaking qualifying session in Lexington, Ohio.
Edwards and co-driver Robin Liddell had dominated the GT class in the previous two rounds at Barber Motorsports Park and Road Atlanta.
This win brings John Edwards and Robin Liddell up to second place in the driver championship standings, just five points away from the lead.
Edwards and Liddell score GT “Hat Trick” in Camaro; Miller, Nunez win GX for Mazda.
John Edwards is 4th driver in GRAND-AM history to win both races on the same day.
Borcheller, LaMarra Score First ST Victory For Burton Racing.
GRAND-AM's Continental Tire Sports Car Challenge put on a good show in the series debut race at Road Atlanta.
Stevenson Automotive Group won the the Porsche 250 and score a second place finish in the Porsche 200.
Edwards not only qualified the No. 57 Stevenson Auto Group Chevrolet Camaro on the pole position, but shattered the 2010 track record with a 1:26.610 lap time.
Freedom Autosport’s Long leads 1-2-3 Mazda sweep in ST on the Alabama road course
Adding to Chevrolet’s celebration was the victory of the Camaro in the GT in Grand-Am’s Rolex Sports Car Series action.
Team Chevy drivers capture top-three starting spots in DP and front row in GT.
It was a busy morning for the Stevenson Motorsports squad as the Continental Tire Sports Car Challenge Series also held its qualifying session just prior to the Rolex Series session.