American thoroughbred racing top attended events on Saturday and its companion race the Breeders' Cup Distaff on Friday those locations rotates annually. Notes: American thoroughbred racing top attended events This is a listing of the top attended stakes races for thoroughbred racing in North America by year. The chart lists the paid attendance of the eight top average attended races including the Kentucky Derby on Saturday and its companion race the Kentucky Oaks on Friday at Churchill Downs in Louisville, Kentucky; the Preakness Stakes on Saturday and its companion race the Black-Eyed Susan Stakes on Friday at Pimlico Race Course in Baltimore, Maryland; the Belmont Stakes
Canadian Derby and the race was moved to its present location in Edmonton, Alberta. Most wins by a jockey: Most wins by an owner: Canadian Derby The Canadian Derby is a Canadian Thoroughbred horse race run annually at Northlands Park in Edmonton, Alberta. A Grade III event held near the end of August, it is open to three-year-old horses and is raced on dirt over a distance of one and three-eights miles (11 furlongs). It was contested at 1 mile from 1930 to 1933, and at miles from 1934 through 1956. The race was the creation of future Canadian Horse Racing Hall