Churchill Downs It includes a 360-degree cinema that shows the short film "The Greatest Race," a documentary about the Kentucky Derby. The museum is normally open year-round. In October 2013, Churchill Downs began installing a new, ultra high-definition video board built by Panasonic, which became operational in time for the 2014 Kentucky Derby. Called "The Big Board", it measures wide and high, with the bottom edge off the ground, and weighs . It was constructed along the outside of the backstretch of the dirt course facing the grandstand and infield. At the time, it was the largest ultra high-definition video board ever
Churchill Downs rating system for 65 Thoroughbred racetracks in North America. Churchill Downs was ranked number 5 on this list. In 2014, prior to the start of their spring meet, Churchill Downs announced an increase in parimutuel takeout rates. As a result of the takeout increase, Churchill Downs was ranked number 22 in the 2014 Horseplayers Association of North America Track Ratings. The track is named for John and Henry Churchill, who leased of land to their nephew, Colonel Meriwether Lewis Clark Jr. (grandson of explorer William Clark). Clark was president of the Louisville Jockey Club and Driving Park Association, which formed