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
Eureka Downs adjacent to the track to extend the track and build a 440-yard straightaway section to run American Quarter Horse races. The track also held Greyhound racing events on certain race days. The original grandstand burned in 1964 and was replaced. The Downs was funded by entry fees, concessions, stable fees, and spectator tickets, and much of the labor at the track was provided by volunteers. At the track's peak in the 1970s, purse distribution was over $150,000 for the Futurity race date. Over time, however, interest in the sport declined and the track struggled to remain profitable. In 1986, Kansas