Horses exercising at Churchill Downs in Louisville, Kentucky.We Miss Artie leads Intense Holiday as they prepare for the 140th Kentucky Derby at Churchill Downs in Louisville, Kentucky.We Miss Artie resting after preparations for the 140th Kentucky Derby at Churchill Downs in Louisville, Kentucky.Vinceremos enjoys his hay after preparations for the 140th Kentucky Derby at Churchill Downs in Louisville, Kentucky.Vinceremos and Danza work together on the main track in preparation for the 140th Kentucky Derby at Churchill Downs in Louisville, Kentucky.Vinceremos jogs on the main track in preparation for the 140th Kentucky Derby at Churchill Downs in Louisville, Kentucky.The Big Board about to be revealed as horses enter the tunnel for the 5th race at Churchill Downs in Louisville, Kentucky.Untapable enjoying her bath after finishing daily preparations for the 140th Kentucky Oaks at Churchill Downs in Louisville, Kentucky.Kentucky Oaks contender Untapable is escorted by a pony on the race track as she prepares for the 140th Kentucky Oaks at Churchill Downs in Louisville, Kentucky.Fair Grounds Oaks winner Untapable is playful on the race track as she prepares for the 140th Kentucky Oaks at Churchill Downs in Louisville, Kentucky.Tapiture (left) is escorted by trainer Steve Asmussen (right) at Churchill Downs for his daily preparation for the 140th Kentucky Derby.Tapiture (left) is escorted by trainer Steve Asmussen (center) and flanked by Hall of Fame trainer Wayne Lukas (right) at Churchill Downs after daily preparation for the 140th Kentucky Derby.Tapiture gallops around the Churchill Downs oval in preparation for the 140th Kentucky Derby.Sugar Shock jogs on the main track at Churchill Downs in preparation for the 140th Kentucky Oaks.Rosie Napravnik speaks to the Churchill Downs stewards after an objection is filled against her horse Bayern in the Derby Trial Stakes on opening night.Ride On Curlin gallops around Churchill Downs in preparation the the 140th Kentucky Derby.Ria Antonia gallops around Churchill Downs in preparation for the 140th Kentucky Oaks.Opening Night at Churchill Downs in Louisville, Kentucky.My Miss Sophia walks the shed row after exercising over the Churchill Downs track in preparation for the 140th running of the Kentucky Oaks.Kentucky Oaks 140 contender Kiss Moon being soothed as she is taken out to the track during training hours at Churchill Downs in Louisville, Kentucky.