Bowman swiftly uploaded the fastest ordinary lap rate when the 50- minute session started and also remained to boost throughout, blazing a trail at 179.439 miles per hour.
In all, Chevrolet motorists asserted the leading 4 placements and also 6 of the top-10 rates.
Kyle Larson wound up 2nd (177703 miles per hour) and also Tyler Reddick was 3rd (177607 miles per hour). Kurt Busch was 4th and also Matt DiBenedetto finished the top-five.
Rounding out the top-10 rates were Jimmie Johnson, Martin Truex Jr., Ricky Stenhouse Jr., Ryan Blaney and also Brad Keselowski.
“I’m so thankful and appreciative to Auto Club Speedway and all the fans,” Johnson stated. “It’s mosting likely to be an unique weekend break with obviously my family members being right here and also swing the eco-friendly flag.
“That practice was wonderful. We remained on one collection of tires and also we enjoy with our automobile and also the convenience that it has. The 2nd practice will certainly inform us a great deal extra.”