Ethiopian takes the title nearly a minute ahead of her closest competitor.
The American held off Spain's Ayad Lamdassem.
Kenenisa's younger brother is on the hunt for a New Year's Eve win.
It will be Ethiopia versus Kenya in Spain.
Linet Masai walked 10K to school every day.
American-record holder Molly Huddle fails to advance.
Historic sweeps by Kenyan women in the marathon and the 10,000m.
Vivian Cheruiyot won with a 62-second closing lap.
The American 10,000m record holder is confident of her chances.