2017 Chevrolet Silverado 250
The 2017 Chevrolet Silverado 250 was the 15th stock car race of the 2017 NASCAR Camping World Truck Series and the fifth iteration of the event. The race was held on Sunday, September 3, 2017, in Bowmanville, Ontario, at Canadian Tire Motorsport Park, a  permanent road course. The race took the scheduled 64 laps to complete. At race's end, Austin Cindric, driving for Brad Keselowski Racing, would spin out eventual-third-place finisher, GMS Racing driver Kaz Grala on the final lap to win his first and to date, only career NASCAR Camping World Truck Series win and his only win of the season. To fill out the podium, Noah Gragson of Kyle Busch Motorsports would finish second. Background 

Canadian Tire Motorsport Park is a multi-track motorsport venue located north of Bowmanville, in Ontario, Canada. The facility features a , (length reduced through wider track re-surfacing done in 2003) 10-turn road course; a 2.9 km advance driver and race driver training facility with a quarter-mile skid pad (Driver Development Centre) and a 1.5 km kart track (Mosport Kartways). The name "Mosport" is a portmanteau of Motor Sport, came from the enterprise formed to build the track. Entry List 

 (R) denotes rookie driver
 (i) denotes driver who is ineligible for series driver points

Practice

First practice 
The first practice session was held on Saturday, September 2, at 9:30 AM EST, and would last for 55 minutes. Austin Cindric of Brad Keselowski Racing would set the fastest time in the session, with a lap of 1:19.835 and an average speed of . Second and final practice 
The second and final practice session, sometimes referred to as Happy Hour, was held on Saturday, September 2, at 11:35 AM EST, and would last for 50 minutes. Christopher Bell of Kyle Busch Motorsports would set the fastest time in the session, with a lap of 1:19.129 and an average speed of . Qualifying 
Qualifying was held on Saturday, September 2, at 5:45 PM EST. Since Canadian Tire Motorsport Park is a road course, the qualifying system was a multi-car system that included two rounds. The first round was 25 minutes, where every driver would be able to set a lap within the 25 minutes. Then, the second round would consist of the fastest 12 cars in Round 1, and drivers would have 10 minutes to set a lap. Whoever set the fastest time in Round 2 would win the pole. Austin Cindric of Brad Keselowski Racing would win the pole, with a lap of 1:18.602 and an average speed of  in the second round. No drivers would fail to qualify. Full qualifying results

Race results 
Stage 1 Laps: 20

Stage 2 Laps: 20

Stage 3 Laps: 24

Standings after the race 

Drivers' Championship standings

Note: Only the first 8 positions are included for the driver standings. References 

2017 NASCAR Camping World Truck Series
NASCAR races at Canadian Tire Motorsport Park
September 2017 sports events in Canada