Jump to contentAllNewsSportCultureLifestyle(Reuters)President Donald Trump and first lady Melania Trump attended a historic IndyCar race in Washington, D.C., as part of America's 250th anniversary celebrations. Tens of thousands of spectators gathered to watch the event, which featured a 1.7-mile course passing iconic landmarks including the U.S. Capitol. Ahead of the race, the president and first lady greeted drivers and took a lap around the track in the presidential limousine, known as The Beast. Medal of Honor recipients Command Sgt. Maj. Matt Williams and Col. Paris Davis delivered the green flag to Trump. President Trump officially kicked off the Freedom 250 race by waving the green flag just before 1:20 p.m. ET. In fullFreedom 250 Grand Prix Live: And they’re off! Trump waves the green flag to start IndyCar race around DC during rare outing with MelaniaMore bulletinsThank you for registeringPlease refresh the page or navigate to another page on the site to be automatically logged inPlease refresh your browser to be logged in

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…