With less than an hour until qualifying for the Motul SportsCar Endurance Grand Prix at Road America, Vasser Sullivan Racing is preparing a backup car for the No. 14 GTD Pro team of Ben Barnicoat and Jack Hawksworth.

Persistent rain showers on Saturday morning led to a wet and incident-filled second practice session for the Motul SportsCar Endurance Grand Prix at Road America.

Acura Meyer Shank Racing’s two cars finished 1-2 in first practice for the Motul SportsCar Endurance Grand Prix at Road America, led by the No. 93 Acura ARX-06 of Renger van der Zande and Nick Yelloly.

Robert Wickens is set to start his first IMSA endurance race in a decade this weekend at Road America after a late call-up by GTD Corvette team DXDT Racing.

One year after Tom Dillmann crashed out of the lead and broke his back in an accident at Canadian Tire Motorsport Park, he and co-driver Jeremy Clarke drove Inter Europol Competition back to the top step of the IMSA LMP2 podium in Sunday’s Chevrolet Grand Prix.

Cadillac Whelen avenged last year's Watkins Glen loss and is now in prime position for the IMSA GTP title.