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 Grand Prix" will feature racing cars on city streets. Organizers are managing the significant logistical challenges for this unique race. Spectators will pass through metal detectors for security during the event.

Racers will drive down Pennsylvania Avenue and zip past landmarks and museums along the National Mall.

President Donald Trump is transforming the streets around the National Mall in Washington, D.C., this weekend into an IndyCar motorsports mecca for the first time.

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