Following first practice, Enfinger topped the charts, clocking in at 168.010 mph. Brett Moffitt was second with a speed of 167.639 mph and Austin Hill was third at 167.162 mph. Ross Chastain (167.141 mph) and Tanner Gray (166.919 mph), driving the No. 7 Toyota for DGR-Crosley Racing, rounded out the top-five drivers.
The two remaining Championship 4 drivers of Matt Crafton and Friesen were 11th (165.042 mph) and 13th (164.404 mph), respectively.
Friesen improved his speed in the final practice session, climbing to the top of the charts with a speed of 165.320 mph. Jesse Little was second (165.239 mph), Eckes was third (164.124 mph), Dylan Lupton was fourth (163.755 mph) and closing out the top five was Todd Gilliland in fifth (163.428 mph).
The remaining three playoff drivers, Crafton, Moffitt and Chastain, found themselves below mid-pack. Crafton was 18th (160.901 mph), Moffitt was 27th (159.250 mph) and Chastain was 28th (159.193 mph), respectively.
Ankrum was fastest in 10 consecutive lap averages with a speed of 160.086 mph. Hill was second (158.185 mph) and Eckes was third (157.907 mph). None of the Championship 4 drivers ran 10 consecutive laps in the final session.
All 37 trucks entered in the race participated in both practices and there weren’t any incidents in either session.
Weather permitting, the Truck Series will qualify later Friday at 4:35 p.m. ET on FOX Sports 1, followed by the race at 8:00 p.m. ET on the same channel.