Kyle Larson ends his dominant 2021 Cup Series campaign with his 10th win at Phoenix Raceway and maiden championship.
- Martin Truex Jr. took victory of the first stage of the race which saw two cautions involving Corey LaJoie. Elliott, Hamlin and Larson were fighting the positions from 3rd to 5th.
- Stage 2 was all about te battle between Larson and Elliott with the no.5 car driver taking the green-white checkered flag. The battle between the Hendrick Motorsports teammates with intense and they also had collisions.
- It all came down to the final pit stop of the race. Larson was 4th ahead of it, but left the pit road 1st. He held off his Championship 4 opponents and won the race together with the title.