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.
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.