2021 NASCAR Xfinity Series Championship Race

Phoenix Raceway – also known as PIR – is a one-mile, low-banked tri-oval race track located in Avondale, Arizona.

The motorsport track opened in 1964 and currently hosts two NASCAR race weekends annually.

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.

John Hunter Nemechek was the fastest in the first practice session with a time of 27.610 seconds and a speed of 130.388 mph (209.839 km/h).

Landon Cassill, Stephen Leicht, Spencer Boyd, Ryan Ellis, Timmy Hill, and Joey Gase failed to qualify.