2021 FireKeepers Casino 400

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.

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.

[8] Kyle Larson was awarded the pole for the race as determined by competition-based formula.

Rick Allen, Jeff Burton, Steve Letarte and two-time Michigan winner, Dale Earnhardt Jr. called the race from the broadcast booth.

Steve Post and Kim Coon worked pit road for the radio side.

Michigan International Speedway , the track where the race was held.
The 2021 FireKeepers Casino 400 program cover.