What it takes to become a Thoroughbred

The Run for the Roses — aka the Kentucky Derby — at legendary racetrack Churchill Downs in Louisville is considered an all-day event. In reality, the 20 Thoroughbred horses called to the post of the Derby began racing toward the winners circle even before they were conceived. The contest, historically called "The Greatest Two Minutes in Sports" is rich in tradition and pageantry, its lineage is ancient, yet it follows strident-state-of-the-art regulation.

The Run for the Roses — aka the Kentucky Derby — at legendary racetrack Churchill Downs in Louisville is considered an all-day event. In reality, the 20 Thoroughbred horses called to the post of the Derby began racing toward the winners circle even before they were conceived. The contest, historically called "The Greatest Two Minutes in Sports" is rich in tradition and pageantry, its lineage is ancient, yet it follows strident-state-of-the-art regulation.…