Johnson posted a top speed of 189.747 mph around the 1.5-mile track while Bowman followed at 188.363 mph.
In third was Joey Logano (188.180 mph)
William Byron was fourth (188.180), giving Hendrick Motorsports three cars in the top five.
Brad Keselowski completed the top five (188.147).
The session was stopped early on for fluid on the track from Reed Sorenson‘s No. 27 Chevrolet.
No driver recorded more than 11 laps in the session.