Wednesday is National Bike to School Day

<p>JERSEY CITY, NJ - JULY 2: Over 700 bicycle messengers from around the world in the Thirteenth Annual Cycle Messenger World Championships on July 2, 2005 in Jersey City, New Jersey. The competition which spans over four days from July 1-4, ranged in events from a main race, a cargo race, dispatch race, sprints, the bunny hop, track skids and the track stand where riders balance on their bikes for over nine minutes. (Photo by David Paul Morris/Getty Images)</p>