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 usual number of people seated at the derby is 50,000 people, though crowds can reach over 150,000 on Derby day. The dirt oval main track, on which the Derby is run, is one mile (1.6 km) in circumference and is wide, with a section for the starting gate. A turf track, inside the main track, is in circumference and wide. From 2001 to 2005, Churchill Downs underwent a three-and-a-half year, $121 million renovation. The clubhouse was replaced, 79 luxury suites were added, and the historic twin spires were refurbished. One of the additions in the clubhouse was a mural by