17-year-old Mary Cain wins women's Wanamaker Mile.
The Americans bring a strong field to this year's race in the heart of Manhattan.
The miler is hoping for a low-3:50s race on Saturday night.
Also in the mix is event-record holder Jordan McNamara.
He betters David Torrence's mark by two seconds.
Brenda Martinez won the women's race.
Race photos of the 2011 Fifth Avenue Mile in New York City.
Lagat had been trying to win the race for the past three years. Written by: Sharon Ekstrom (c) 2011 Race Results Weekly, all rights
Olympic silver medalist Meb Keflezighi is dealing with wintry weather in Mammoth.