Chase Elliott posted the fastest time in first Sprint Cup Series practice at Michigan International Speedway.
The driver of the No. 24 Hendrick Motorsports Chevrolet was the fastest in the first practice session with a time of 35.709 and a speed of 201.630 mph. Martin Truex Jr. was second in his No. 78 Furniture Row Racing Toyota with a time of 35.765 and a speed of 201.314 mph. Carl Edwards was third in his No. 19 Joe Gibbs Racing Toyota with a time of 35.782 and a speed of 201.218 mph. Dale Earnhardt Jr. was fourth in his No. 88 HMS Chevrolet with a time of 35.783 and a speed of 201.213 mph. Kevin Harvick rounded out the top-five in his No. 4 Stewart-Haas Racing with a time of 35.838 and a speed of 200.904 mph.
Denny Hamlin was sixth in his No. 11 JGR Toyota. Austin Dillon was seventh in his No. 3 Richard Childress Racing Chevrolet. Brad Keselowski was eighth in his No. 2 Team Penske Ford. Jimmie Johnson was ninth in his No. 48 HMS Chevrolet. Kurt Busch rounded out the top-10 in his No. 41 SHR Chevrolet.
Kyle Busch, whose fastest single lap time was 13th fastest, posted the fastest 10 consecutive lap average at a speed of 194.145 mph. Ty Dillon, whose fastest single lap time was 33rd fastest, was second at an average speed of 190.122 mph.C1615_PRAC1