Kentucky Derby Challenge Stakes Kentucky Derby Challenge Stakes The Kentucky Derby Challenge Stakes was an English Thoroughbred horse race intended to become an annual race, but was run only one time on 18 March 2009 at Kempton Park Racecourse in Sunbury-on-Thames, Surrey. Open to three-year-old European horses, it was raced clockwise at a distance of nine furlongs ( miles, app. 1800 metres) on Polytrack. The winner of the race was guaranteed one of the twenty starting spots in the mile (10 furlongs) 2009 Kentucky Derby held on the first Saturday in May on the dirt track at Churchill Downs in Louisville, Kentucky. The race
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