The aim is to get more Derby horses to participate in the second leg of the Triple Crown. Why the 2027 Preakness will be held on a SundayA big change is coming to horse racing’s Triple Crown, with the Preakness Stakes moving to three weeks and a day after the Kentucky Derby and being run on Sunday for the first time. No Triple Crown race has ever taken place on a Sunday in the century-plus-old history of the series. Except for 2020 during the pandemic, the Preakness has been on the third Saturday in May, two weeks after the Kentucky Derby, since 1950. The aim is to get more Derby horses to participate in the second leg of the Triple Crown.