An aide wears a face mask while walking with a horse to a stable after a bath at Pimlico Race Course, Friday, May 15, 2020, in Baltimore. Horse racing is in a state of transition at a time usually reserved for Triple Crown season. The Preakness would have been run Saturday, May 16, 2020, in Baltimore. But Pimlico Race Course and many tracks across North America remain dark because of the coronavirus pandemic. (AP Photo/Julio Cortez)

A crew works on putting up a platform near the main entrance at Pimlico Race Course, Friday, May 15, 2020, in Baltimore. Horse racing is in a state of transition at a time usually reserved for Triple Crown season. The Preakness would have been run Saturday, May 16, 2020, in Baltimore. But Pimlico Race Course and many tracks across North America remain dark because of the coronavirus pandemic. (AP Photo/Julio Cortez)

A marquee near an entrance at Pimlico Race Course displays horse races that have been postponed because of the coronavirus outbreak, Friday, May 15, 2020, in Baltimore. The Preakness would have been run Saturday, May 16, 2020, in Baltimore. But Pimlico Race Course and many tracks across North America remain dark because of the coronavirus pandemic. (AP Photo/Julio Cortez)

The grandstand near the finish line at Pimlico Race Course is seen empty, Friday, May 15, 2020, in Baltimore. The Preakness would have been run Saturday, May 16, 2020, in Baltimore. But Pimlico Race Course and many tracks across North America remain dark because of the coronavirus pandemic. (AP Photo/Julio Cortez)