Jimmie Johnson posted the fastest time in the first Sprint Cup Series practice at Chicagoland Speedway.
The driver of the No. 48 Hendrick Motorsports Chevrolet was the fastest in the first practice session with a time of 29.383 and a speed of 183.780 mph. Carl Edwards was second in his No. 19 Joe Gibbs Racing Toyota with a time of 29.460 and a speed of 183.299 mph. Denny Hamlin was third in his No. 11 JGR Toyota with a time of 29.520 and a speed of 182.927 mph. Brad Keselowski was fourth in his No. 2 Team Penske Ford with a time of 29.564 and a speed of 182.655 mph. Chase Elliott rounded out the top-five in his No. 24 HMS Chevrolet with a time of 29.578 and a speed of 182.568 mph.
Alex Bowman was sixth in his No. 88 HMS Chevrolet. Martin Truex Jr. was seventh in his No. 78 Furniture Row Racing Toyota. Kyle Larson was eighth in his No. 42 Chip Ganassi Racing Chevrolet. Ryan Blaney was ninth in his No. 21 Wood Brothers Racing Ford. Kyle Busch rounded out the top-10 in his No. 18 JGR Toyota.
Austin Dillon was 11th, Kevin Harvick was 12th, Matt Kenseth was 13th, Kurt Busch was 15th, Joey Logano was 17th, Tony Stewart was 20th, Jamie McMurray was 21st and Chris Buescher rounded out the Chase drivers in 33rd.
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