RSS Feed not working

you have more problems than that
your footer is in the middle of the page and messes it up
these url’s have errors
http://runningsomewhere.com/index.php/category/uncategorized/
http://runningsomewhere.com/index.php/feed/

whatever you did – undo it

maybe not in the feed – but have you looked at your site? or the links above? whacked