The Kentucky Derby Presented by Woodford Reserve is the longest continuously held sporting event in America, with this year marking its 151st edition. Often referred to as the “most exciting two minutes in sports,” the iconic race first occurred May 17, 1875, at Churchill Downs in Louisville, Ky., and has been run there every year since.

Well, it’s official. I will have some decisions to make as to who my Retired Racehorse Project Thoroughbred Makeover competitor will be! Or, for the first time ever, will I take more than one? As a professional in this business, I never know what horses will come my way, and when it comes to the Makeover in particular, obviously eligibility plays a large role, but so does a horse’s physical and mental acuity to be able to progress in the given timeframe. So how do we know?