RELATED: Full practice results | Top 10 consecutive lap averages
Jimmie Johnson topped the leaderboard in Friday’s lone Sprint Cup Series practice at Chicagoland Speedway at 183.780 mph in the No. 48 Hendrick Motorsports Chevrolet.
Right behind him was Carl Edwards in the No. 19 Joe Gibbs Racing Toyota at 183.299 mph.
Rounding out the top five were Denny Hamlin in the No. 11 Joe Gibbs Racing Toyota at 182.927 mph, Brad Keselowski in the No. 2 Team Penske Ford at 182.655 mph and Chase Elliott in the No. 24 Hendrick Motorsports Chevrolet at 182.568 mph.
The top seed of the Chase, Kyle Busch was 10th-fastest with a speed of 181.990 mph in the No. 18 Joe Gibbs Racing Toyota.
Early in the session, Kurt Busch had a vibration problem and had to change the drive shaft before returning to the track. At the end of the session, Alex Bowman brought out the red flag when he spun out near the pit road entrance.
The next practice session is Saturday at 10:30 a.m. ET (CNBC/NBC SportsApp).