President Donald Trump arrived at the district's first-ever IndyCar street race with first lady Melania Trump and others.

A slice of Washington, D.C., will be transformed into an IndyCar race track this weekend for an event commemorating the U.S.'s 250th birthday.

Why is the car race in this part of D.C.? Will it be streaming? Who's paying for it? Here's what to know before the Freedom 250 Grand Prix hits the National Mall this weekend.

Here is a first look at what downtown D.C. looks like ahead of the race in honor of the nation's 250th anniversary.

President Donald Trump will lead a ceremonial lap at an upcoming IndyCar race. This event is part of Washington's 250th anniversary festivities this weekend. The "Freedom 250…