This situation makes it very challenging for the crews to set up their cars' handling in a way that is effective at both ends.
Since 2015, the race has hosted NASCAR's Throwback weekend, which features cars sporting paint schemes that pay homage to past teams and drivers.
[10] Chase Elliott was the fastest in the practice session with a time of 29.231 seconds and a speed of 168.232 mph (270.743 km/h).
Mike Joy and Clint Bowyer called the race from the broadcast booth.
Larry McReynolds provided insight from the Fox Sports studio in Charlotte.