American Matt Centrowitz took the bronze.
American-record holder Molly Huddle fails to advance.
The top American was 17th-place finisher Tera Moody.
He is looking for his third victory.
He bettered the mark by four seconds.
Kiplagat, Choge have shown excellent form lately.
It's hardly an easy one.
The 22-year-old middle-distance runner thinks he's ready.
She finally made the Kenyan team.
Young up-and-comers in the sport are favored in 37th edition of the storied race.