Rio 2016: Christine Ohuruogu wins 400m gold at Beijing Olympics
There was an error
Sorry, this video is temporarily unavailable. Please try again later.
BBC Sport continues the countdown to the 2016 Rio Olympics with Christine Ohuruogu becoming the first British female to win Olympic 400m gold, at Beijing in 2008.
Available to UK users only.
Watch full coverage of the Rio Olympics across the BBC this summer.