2016 SportsCar Grand Prix

The 2016 Mobil 1 SportsCar Grand Prix was a sports car race sanctioned by the International Motor Sports Association (IMSA) held at Canadian Tire Motorsport Park near Bowmanville, Ontario on July 10, 2016. The race was the seventh round of the 2016 WeatherTech SportsCar Championship and the event marked the 31st IMSA sanctioned sports car race held at the facility.

Background
International Motor Sports Association (IMSA) president Scott Atherton confirmed the race was part of the schedule for the 2016 IMSA SportsCar Championship (IMSA SCC) in August 2015. It was the third consecutive year the event was held as part of the WeatherTech SportsCar Championship, thirty-fifth annual running of the race. The 1 Mobil 1 SportsCar Grand Prix was the second of seventh scheduled automobile endurance races of 2016 by IMSA, and was the fourth round not held on the held as part of the North American Endurance Cup. The race was held at the ten-turn 2.459 mi Canadian Tire Motorsports Park in Bowmanville, Ontario, Canada on July 10, 2016. For 2016, the WeatherTech Championship race featured all four classes, Prototype (P), Prototype Challenge (PC), GT Le Mans (GTLM) and the GT Daytona (GTD) for the first time since the  2013 edition of the Grand Prix. The weekend also included races for the Continental Tire SportsCar Challenge, Mazda Prototype Lites, the Global MX-5 Cup and the Nissan Micra Cup.

Practice
There were three practice sessions preceding the start of the race on Sunday: two on Friday and one on Saturday. The first two one-hour sessions were on Friday morning and afternoon while the third session on Saturday morning lasted one hour.

The first practice session was held in damp weather. Jordan Taylor set the fastest lap in the No. 10 WTR Corvette DP at 1 minute, 11.158 seconds, 0.985 seconds faster than Tristan Nunez's No. 55 Mazda. Ryan Dalziel in VFR's No. 90 vehicle was third, and Oswaldo Negri Jr.'s No. 60 MSR ligier was fourth. The seven-vehicle PC class was led by PR1/Mathiasen Motorsports's No. 52 car, driven by Tom Kimber-Smith with a time of 1 minute, 13.154 seconds. The two Corvette Racing team cars of Oliver Gavin (No. 4) and Antonio García (No. 3) led GTLM. Andy Lally's No. 44 Magnus Audi R8 recorded the fastest time in GTD.

Rain continued to affect the track in the second practice session. Jordan Taylor was fastest with a time of 1 minute, 11.206 seconds, followed by the AER cars of Fittipaldi and Cameron in second and third. A 1:12.131 lap saw Renger van der Zande's No. 8 Starworks vehicle lead PC. Bill Auberlen led GTLM in the No. 25 BMW with a 1-minute, 15.961 lap. Tommy Milner's No. 4 Corvette was second. Müller in the No. 66 CGR Ford GT was third in GTLM. Lally's No. 44 Magnus Audi R8 led GTD, and Spencer Pumpelly, in the No.16 Change Racing Lamborghini, was second in class.

The final practice was held on a dry race track which allowed for faster lap times. Negri's MSR Ligier set the fastest overall lap of 1:10.522, 0.002 seconds faster than Bomarito's No. 55 Mazda. van der Zande led the PC class with a 1 minute, 11.884 second lap in Starworks' No. 8 car. Corvette Racing paced GTLM with García's No. 3 car lapping 1:15.233, ahead of the two BMW M6 GTLMs. With a 1:17.888 lap, David led the GTD class in the No. 6 Stevenson Audi R8.

Qualifying
In Saturday afternoon's 90-minute four-group qualifying, each category had separate 15-minute sessions. Regulations stipulated that teams nominate one qualifying driver, with the fastest laps determining each class' starting order. IMSA arranged the grid to put Prototypes ahead of the PC, GTLM and GTD cars.

Qualifying results
Pole positions in each class are indicated in bold and by ‡. P stands for Prototype, PC (Prototype Challenge), GTLM (Grand Touring Le Mans) and GTD (Grand Touring Daytona).


 * The No. 54 CORE Autosport entry was moved to the back of the PC field as per Article 43.1 of the Sporting regulations (Change of starting driver).
 * The No. 44 Magnus Racing entry was moved to the back of the GTD field as per Article 40.1.5 of the Sporting regulations (Change of starting tires).

Race summary
The race was won overall by Eric Curran and Dane Cameron, driving a Chevrolet Corvette DP for Action Express Racing. They finished ahead of the Action Express Racing sister car of João Barbosa and Christian Fittipaldi, while the podium was completed by Ricky and Jordan Taylor of Wayne Taylor Racing. In sixth place overall, CORE Autosport won the Prototype Challenge class with drivers Jon Bennett and Colin Braun, while the GT Le Mans honors were taken by Ford Chip Ganassi Racing drivers Ryan Briscoe and Richard Westbrook in the Ford GT in fourteenth place overall. The GT Daytona class was won by Bret Curtis and Jens Klingmann in the Turner Motorsport BMW M6 GT3.

Race results
Class winners are denoted in bold and ‡.