With a speed of 202.959 mph, Ty Dillon posted the fastest single lap in the first practice session for the Geico 500 at Talladega SuperSpeedway.
Joe Gibbs Racing drivers Daniel Suarez and Kyle Busch tied for P2 on the chart to the 1/1,000th of a second with a speed of 202.680 mph.
Teammate Denny Hamlin (202.671 mph) posted the fourth fastest time with Erik Jones (202.564) seventh. Affiliated driver Martin Truex Jr. (202.628) was also part of the Gibbs drafting pack and he landed sixth on the chart.
Ryan Newman rounded out the top five with a speed of 202.637 mph.
Rookie of the Year Darrell Wallace, Jr. (199.754) and William Byron (199.729) landed 11th and 12th on the chart respectively.
Ross Chastain, Gray Gaulding, Timmy Hill and Cole Whitt did not participate in this practice.
Denny Hamlin posted the quickest 10-lap average with a speed of 198.109 mph.
Kyle Busch was second-quick at 197.977 mph.
Final practice for the Cup series will be at 1:35 p.m. ET; qualification will be Saturday at 12:05 p.m. and will air on Fox.