Pat Day Mile Stakes Trial, but returned to sweep the Derby, Preakness Stakes and Belmont Stakes. Pat Day Mile Stakes The Pat Day Mile Stakes is an American Grade 3 Thoroughbred horse race held on Kentucky Derby day run at Churchill Downs in Louisville, Kentucky for three-year-olds willing to race one mile on the dirt. The current purse is $250,000 for the event. Originally, the event was known as the Derby Trial Stakes and was held one week before the Kentucky Derby. It was first run in 1924 and every year since, with the exception of 1928. The race name was given similar to
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