John Hunter Nemechek was fastest in the only NASCAR Truck Series practice session at Darlington. The Team DGR driver completed his best lap in 29.608 seconds at an average of 166.90X mph. He was ahead of Grand Dernierger and Ty Majeski.
Ross Chastain, the NASCAR Cup Series driver finished the session in an excellent fourth place with a best lap of 29.702 at 165.565 mph. He is engaged in Truck n°41 of Niece Motorsports.
This 30-minute session was interrupted some time after Colby Howard made a mistake. Championship leader Ben Rhodes finished the session with the 19th fastest time.
Chandler Smith, second in the general classification set the 5th best time in 29.763 seconds.
Hailie Deegan, who is having a difficult start to the season with a best result of 17th and an average finish of 26.2, finished the session in 26th position.