Daniel Hemric was fastest in the first of two practice sessions on Saturday for the Camping World Truck Series at Canadian Tire Motorsports Park with a lap of 110.931 mph.
Hemric was followed by Kaz Grala (110.863 mph), Cole Custer (110.207 mph), Austin Cindric (109.823 mph), and John Hunter Nemechek (109.561 mph). Cindric is driving a third Brad Keselowski Racing truck this weekend with the No. 2 team.
The rest of the top 10 were Tyler Reddick (109.505 mph), Timothy Peters (109.412 mph), Spencer Gallagher (109.371 mph), Johnny Sauter (109.147 mph), and Cameron Hayley (109.133 mph).
The series has a final practice session scheduled for 11:35 a.m. ET.
Here are the speeds from first practice: