The East African nation didn't live up to expectations at the Games.
The marathon world-record holder isn't sure if her career is over.
The New York City Marathon should decide the women's race.
Will an American runner reach the podium in London?
The top American marathoner has faced off against Olympic favorites.
The two Kenyan champions are as close as possible.
She's been a front runner her whole career.
She shares some tips for her Kenyan teammates.
They think they can win all three marathon medals at the Olympics. It may be premature for Olympic-bound runners to make predictions, but