Clif Bar and the 2 MILE CHALLENGE 2011 Cliff Bar has the 2 MILE CHALLENGEhttp://2milechallenge.com/40% of US Urban travel is 2 miles or less90% of those trips are by carCHANGE THAT!walk... ride your bike... leave your carjoin the 2 Mile Challenge!YOUTUBE VIDEO on the topichttp://www.youtube.com