The 2017 Hollywood Casino 400 was a Monster Energy NASCAR Cup Series race that took place on October 22, 2017, at Kansas Speedway in Kansas City, Kansas. Contested over 267 laps on the intermediate speedway, it was the 32nd race of the 2017 Monster Energy NASCAR Cup Series season, the sixth race of the Playoffs, and the final race of the Round of 12. Martin Truex Jr. of Furniture Row Racing won the race.
Kyle Larson was the fastest in the first practice session with a time of 28.563 seconds and a speed of .
Kyle Larson was the fastest in the second practice session with a time of 29.724 seconds and a speed of .
Ryan Blaney was the fastest in the final practice session with a time of 29.661 seconds and a speed of .
Martin Truex Jr. scored the pole for the race with a time of 28.719 and a speed of .
Stage 1 Laps: 80
Stage 2 Laps: 80
Stage 3 Laps: 107
NBC Sports covered the race on the television side. Rick Allen, Jeff Burton, and Steve Letarte called the race in the booth. Dave Burns, Parker Kligerman, Marty Snider, and Kelli Stavast reported from pit lane during the race.
Motor Racing Network had the radio call for the race, which was simulcast on Sirius XM NASCAR Radio.