Registration is now open for the 4th annual 9/11 Memorial 5K Run/Walk and Community Day which will be held on Sunday, April 24th. The event begins at Pier 26 in Tribeca and takes participants through scenic Battery Park along the waterfront esplanade before finishing near the 9/11 Memorial Museum. Sign up now through February 29th, for FDNY First Responder pricing of $20, (regular adult registration is $45). Register at:www.911Memorial.org/5K