2023 Hollywood Casino 400
| Race details | |||
|---|---|---|---|
| Race 28 of 36 in the 2023 NASCAR Cup Series | |||
| Date | September 10, 2023 | ||
| Location | Kansas Speedway in Kansas City, Kansas | ||
| Course | Permanent racing facility | ||
| Course length | 1.5 miles (2.4 km) | ||
| Distance | 268 laps, 402 mi (643.2 km) | ||
| Scheduled distance | 267 laps, 400.5 mi (640.8 km) | ||
| Average speed | 125.212 miles per hour (201.509 km/h) | ||
| Pole position | |||
| Driver | Joe Gibbs Racing | ||
| Time | 29.954 | ||
| Most laps led | |||
| Driver | Kyle Larson | Hendrick Motorsports | |
| Laps | 99 | ||
| Winner | |||
| No. 45 | Tyler Reddick | 23XI Racing | |
| Television in the United States | |||
| Network | USA | ||
| Announcers | Rick Allen, Jeff Burton, Steve Letarte and Dale Earnhardt Jr. | ||
| Radio in the United States | |||
| Radio | MRN | ||
| Booth announcers | Alex Hayden, Jeff Striegle and Rusty Wallace | ||
| Turn announcers | Dave Moody (1 & 2) and Mike Bagley (3 & 4) | ||
The 2023 Hollywood Casino 400 was a NASCAR Cup Series race held on September 10, 2023, at Kansas Speedway in Kansas City, Kansas. Contested over 268 laps—extended from 267 laps due to an overtime finish, on the 1.5 mi (2.4 km) intermediate speedway, it was the 28th race of the 2023 NASCAR Cup Series season, the second race of the Playoffs, and the second race of the Round of 16.