Here's a look at how the elite runners did in the annual dash down one of New York City's famous streets.
Nick Willis was well under 4 minutes for the men.
The American miler, her coach, and training partners abandoning their English training base.
The Americans bring a strong field to this year's race in the heart of Manhattan.
It was his first race on the roads.
The 22-year-old will run the Fifth Avenue Mile on Sunday.
Defending champions Bernard Lagat and Jenny Simpson return.
Race photos of the 2011 Fifth Avenue Mile in New York City.
The race is a rematch of current world #1 versus the 2011 world champion.