Kara Goucher
She was the 10 , 000 meters silver medalist at the 2007 World Championships in Athletics and represented her country at the 2008 Beijing Olympics and 2012 London Olympics . 
<triplet> 2007 World Championships in Athletics <subj> 2007 <obj> point in time <triplet> 2008 Beijing Olympics <subj> 2008 <obj> point in time <subj> 2012 London Olympics <obj> followed by