President Donald Trump and the first lady are scheduled to attend the Freedom 250 Grand Prix. The event is an IndyCar race that will take place through the downtown area of the nation's capital. Before the race, Trump will kick off the event in his presidential limo, known as the Beast. The president and his wife will watch as cars speed through the city, including a stretch along Pennsylvania Avenue.

Further details about the event are available from the source. The president had previously promoted the event at the White House, expressing his enthusiasm for the race.

The event is part of a larger celebration, with more information available from the source.