Run 800m80 Double UndersRun 400m40 Double UndersRun 200m20 Double UndersRun 100m10 Double UndersCompare to July 3/10Check out this amazing video of one of the original CrossFitters. A lot of great information for newbies and veterans to CrossFit.[youtube=http://www.youtube.com/watch?v=4VGDpKbTea8]
