So they streamed into what has been dubbed the world's largest temporary stadium, where 30,000 people on Saturday will view the real opening ceremonies.
However, the final proposal called for a $366 million temporary stadium to be built in Washington Park.
Instead, it was a temporary 3,600-seat stadium on a college campus in suburban New York.
The match took place before a startled crowd of about 8,000 spectators in a temporary stadium near the Yale Bowl.
Because Brazilians do not know the sport, games are to be played at a temporary stadium that has fewer than 5,000 seats.
The trials are being held at a temporary 10,000-seat stadium on Long Beach's waterfront.
The contest took place before about 9,000 spectators in a temporary, 14,400-seat stadium built near the Yale Bowl.
The park will be the site of a temporary 50,000-seat stadium, which will be dismantled after the Games.
In a newly constructed temporary stadium, 10,000 people are expected to watch a swim meet that rivals the Olympics for competitiveness.
There is still a bailout plan to build a cheaper, temporary stadium if one of the many sides involved backs out.