[1] On September 2, it was announced that the race would be held without spectators,[2] and it was won by filly Swiss Skydiver in the second-fastest time ever.

This was the first time since the 1945 Triple Crown races were affected by World War II that the event took place outside of its regular May schedule.

[3] With the Belmont Stakes run on June 20 and the Kentucky Derby on September 5, the Preakness became the final leg of the 2020 Triple Crown.

[4] As different horses won the Belmont and the Kentucky Derby, it was established prior to the Preakness that there would be no Triple Crown winner in 2020.

[7] On September 22, the owners of Belmont Stakes winner Tiz the Law announced that he would not run in the Preakness.