One of the nation's longest runs will pass through Fairfield County on its home stretch.

"One Run for Boston," a 3,000-plus-mile relay will advance from from Greenwich to Portland on Saturday, with a leg passing through Fairfield.

The run is a 23-day long, 3,300-mile collaborative effort that started June 7 in Los Angeles and will reach Boston on Sunday afternoon. The run strives to raise money for The One Fund Boston-- a charity organized for victims and family members affected by the April 15 Boston Marathon bombings.

"The day of the bombings, thousands of runners tied up their laces to run 26.2 miles and cross the finish line for one of the greatest accomplishments a runner can experience," Bridgeport-native, and lead-runner for the Fairfield County leg, Janine Lind said. "Some crossed; however, others didn't make it there. We are running in honor of those who did not cross the finish line."

Runners have braved treacherous weather throughout the 3,300-mile stretch in an effort to reach Boston in time for Sunday's goal. Among the runners Saturday will be Fairfield-native Jen Langlais.

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"When I heard about One Run for Boston, and how it would unite the running community across the USA to show support and raise money for the victims of the Boston bombings, I just knew I had to participateelebrating life," Langlais said. "I am so excited for leg 299 to happen on Saturday and proud to do my part for this incredible journey."

Interested runners or donors can get more information at OnerunforBoston.org.

ppickens@bcnnew.com; twitter.com/Pat_Pickens