Johnny Sauter was fastest in the first of two Camping World Truck Series practice sessions on Thursday at Texas Motor Speedway.
The GMS Racing driver led the session with a top speed of 182.871 mph.
Sauter led Noah Gragson (182.859), Ryan Truex (182.828), Myatt Snider (182.556) and Justin Haley (182.537).
Chase Briscoe, who was 10th fastest, recorded the most laps in the session with 34.
Gragson and Briscoe were the only drivers to record 10-lap runs in the session.
The second practice session is set for 5-5:55 p.m. ET. There is no TV coverage.