The drivers to qualify for the Championship 4 were William Byron, Justin Allgaier, Elliott Sadler, and Daniel Hemric.
[2] Phoenix International Raceway – also known as PIR – is a one-mile, low-banked tri-oval race track located in Avondale, Arizona.
The raceway was originally constructed with a 2.5 mi (4.0 km) road course that ran both inside and outside of the main tri-oval.
[3] Ryan Blaney, driving for Team Penske, would set the fastest time in the session, with a lap of 27.404 and an average speed of 131.368 mph (211.416 km/h).
[3] William Byron, driving for JR Motorsports, would set the fastest time in the session, with a lap of 27.343 and an average speed of 131.661 mph (211.888 km/h).
[6] Erik Jones, driving for Joe Gibbs Racing, would win the pole after setting a time of 26.880 and an average speed of 133.929 mph (215.538 km/h) in the third round.