Josh Berry replaced Corey LaJoie for the race due to COVID-19 protocols LaJoie, then unvaccinated, had been close to a person testing positive for the COVID-19 from his Stacking Pennies podcast a week prior. Michigan International Speedway is recognized as one of motorsports' premier facilities because of its wide racing surface and high banking (by open-wheel standards the 18-degree banking is modest by stock car standards).
The track is owned by International Speedway Corporation. It is known as a 'sister track' to Texas World Speedway as MIS's oval design was a direct basis of TWS, with moderate modifications to the banking in the corners, and was used as the basis of Auto Club Speedway. The track is used primarily for NASCAR events. The race was held at Michigan International Speedway, a two-mile (3.2 km) moderate-banked D-shaped speedway located in Brooklyn, Michigan. The 2021 FireKeepers Casino 400 program cover.
Report Background Michigan International Speedway, the track where the race was held. Contested over 200 laps on the two-mile (3.2 km) D-shaped oval, it was the 25th race of the 2021 NASCAR Cup Series season. The 2021 FireKeepers Casino 400 was a NASCAR Cup Series race held on August 22, 2021, at Michigan International Speedway in Brooklyn, Michigan.
