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
Louisiana Downs the American Classic Races. It also hosts the Tiznow Handicap. Louisiana Downs Harrah's Louisiana Downs is a horse racing track and racino located in Bossier City in northwestern Louisiana. It opened in 1974. The casino features 1,300 slot machines. The track specification is a dirt track of & turf course of . Louisiana Downs was built by shopping center developer Edward J. DeBartolo Sr., of Cleveland, Ohio, a longtime supporter of horse racing; it was third race track that he developed, along with Thistledown in North Randall, Ohio, and Remington Park in Oklahoma City, Oklahoma. In its first year of