Spencer Gallagher was fastest in the Camping World Truck Series’ first practice session for Friday’s WinStar World Casino and Resort 400.
In five laps around Texas Motor Speedway, Gallagher coaxed a fastest speed of 178.406 mph out of his No. 23 Allegiant Travel Chevrolet.
Gallagher was followed by Johnny Sauter (177.456), Tyler Reddick (177.387), Erik Jones (177.340) and Cameron Hayley (177.288).
The final, 85-minute practice session begins at 7:30 p.m ET.
Speed chart for first Truck Series practice: