The 2018 Hollywood Casino 400 was a Monster Energy NASCAR Cup Series race held on October 21, 2018, at Kansas Speedway in Kansas City, Kansas. Contested over 267 laps on the 1.5 mile (2.4 km) intermediate speedway, it was the 32nd race of the 2018 Monster Energy NASCAR Cup Series season, sixth race of the Playoffs, and final race of the Round of 12.