Iowa Speedway's aging asphalt shifts grip levels, setting up unpredictable action for Sunday’s NASCAR Cup race (3:30 p.m. ET, USA Network).

The distance between Brenden Queen and Brent Crews in Friday night's ARCA Menards Series Atlas 150 was .412 seconds. The time between Crews and third-place finisher Lawless Alan was much more than ...

This is just Year 2 for the NASCAR Cup Series at Iowa Speedway, which checks in at just a couple city blocks short of one mile in length.