NASCAR named Trump the grand marshal of the Daytona500, marking the first time a sitting president has held the honor. Trump AND THe FIRST LADY is planning to take a lap around the track prior to the NASCAR event in the presidential limousine known as The Beast The U.S. Secret Service will have more than 500 agents on site at the Daytona500 according to people briefed on the security plan, one of the largest presences by the Secret Service in all of American history. âž– Air Force One may fly over the track before it lands.