2017 Mobil 1 SportsCar Grand Prix

[1] It was the fourth consecutive year the event was held as part of the WeatherTech SportsCar Championship and the thirty-sixth annual running of the race.

[2] The race was held at the ten-turn 2.459 mi (3.957 km) Canadian Tire Motorsports Park in Bowmanville, Ontario, Canada on July 9, 2017.

[3] With 180 points, the PC Drivers' Championship was led by James French and Patricio O'Ward with a thirty-point advantage over Don Yount.

[4] In P, David Ostella and Nicholas Boulle replaced José Gutiérrez and Olivier Pla in the PR1/Mathiasen Motorsports entry.

Jörg Bergmeister returned to the Park Place Motorsports entry after missing the previous round at Watkins Glen due to a family emergency.

[9] The second practice session took place at 3:55 pm ET on Friday and ended with Ryan Dalziel topping the charts for Tequila Patrón ESM, with a lap time of 1:08.994.

[13] The third and final practice session took place at 9:20 am ET on Saturday and ended with Stephen Simpson topping the charts for JDC-Miller MotorSports, with a lap time of 1:09.142.

[16] Patricio O'Ward set the fastest time PC by 1.678 seconds ahead of Ryan Lewis in the #20 BAR1 Motorsports entry.

20 minutes into the session, the #15 3GT Racing Lexus RC F GT3 of Jack Hawksworth crashed at turn 3 after going wide, and dipped into the grass launching the car into the tire barriers before becoming airborne.

Regulations stipulated that teams nominate one qualifying driver, with the fastest laps determining each class' starting order.

[27] The result kept Balzan and Nielsen atop the GTD Drivers' Championship while Aschenbach and Davis advanced from seventh to fifth.