There were 19 races in the 2017 Road to the Kentucky Derby prep season, with the Breeders' Cup having the largest purse.
The 2017 season consisted of 35 races, 19 races for the Kentucky Derby Prep Season and 16 races for the Kentucky Derby Championship Season. Breeders' Cup Juvenile $2,000,000 It is held annually in late October or early November at a different racetrack in the United States or Canada as part of the Breeders' Cup World Championships. The current purse is $2,000,000, making it the most valuable race for two-year-olds in North America. It features dozens of stakes races for 2 and 3-year-old Thoroughbreds  the number and specific races have changed slightly over the years. 
