The 17-year-old finished second in the women's 1,500m final at the U.S. Championships.
Most of the pre-meet contenders advanced through the preliminary rounds.
Olympic medalist Leo Manzano leads the charge for the Americans.
Geleta Burka wins a tight women's race in 15:26.
The 23-year-old Ethiopian will have his hands full on Sunday.
Leo Manzano accepts his award for 2012 Running Performance Of The Year.
Medals, records, surprises and more.
The Olympic medalist reflects on all the running in his life.
Defending champions Bernard Lagat and Jenny Simpson return.