Sanya Richards-Ross
At the 2012 Summer Olympics , she won gold in the 400 metres after finishing third at the 2008 Summer Olympics . 
<triplet> 2012 Summer Olympics <subj> 2008 Summer Olympics <obj> follows <triplet> 2008 Summer Olympics <subj> 2012 Summer Olympics <obj> followed by <subj> 2008 <obj> point in time