Churchill Downs Incorporated its advance deposit wagering service, TwinSpires (www.twinspires.com). TwinSpires.com is the official advance-deposit wagering service for Churchill Downs Incorporated and its family of racetracks, as well for the Kentucky Derby and Kentucky Oaks. TwinSpires.com offers wagering on races from the country's most popular racetracks. TwinSpires.com includes the assets of Youbet.com, which Churchill Downs Incorporated acquired in June 2010. The company acquired Harlow's Casino Resort in Greenville, Mississippi, in December 2010 for $138 million. In October 2012, the company acquired the Riverwalk Casino and Hotel in Vicksburg, Mississippi for $141 million. In December 2012, Churchill Downs partnered with Delaware North to buy
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