BOSTON (CBS) – It’s the official story of an iconic Boston tradition. This April, the first feature-length documentary about the Boston Marathon will premiere just a few blocks away from the famous finish line.

BOSTON is an up close look inside the 120-year history of the Boston Marathon told by the champions, race organizers, the ordinary runners, and the fans who line all 26.2 miles year after year.

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BOSTON – The Documentary is presented by John Hancock. It was directed and produced by award winning filmmaker/marathoner Jon Dunham and produced by Academy Award nominee Megan Williams.

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The world premiere is set for One Boston Day on Saturday, April 15 at the Boch Center Wang Theater. Tickets go on sale February 4 at 10 a.m. at or by calling 1-800-982-2787. The world premiere will include a live performance of the original BOSTON score by Emmy Award winning conductor Jeff Beal and the Boston Pops Esplanade Orchestra.

A portion of every ticket sold will support the creation of a new Boston park named in honor of Martin Richard, the youngest victim of the Boston Marathon bombings. For more information on the park or to make a donation log onto their CrowdRise page.

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WBZ-TV is proud to be your official Boston Marathon station. We will be broadcasting live from the world premiere on April 15th at 7 p.m., bringing you the celebrity arrivals along the red carpet and exclusive behind-the scenes access about the making of this epic story.