These photos were taken during the 2017 Boston Marathon held on Monday, April 17, 2017. More photos will be added throughout the day.

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Press photographers set up early on race day.
Meredith Nierman/WGBH News

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Retired Canine Ambassador Catie Copley returns to greet marathon runners and supporters in the Fairmount Copley Plaza Hotel lobby.
Meredith Nierman/WGBH News

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Mayor Marty Walsh works the marathon crowd.
Meredith Nierman/WGBH News

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Bobbi Gibb and Dave McKenzie serve as Grand Marshals for the 2017 Boston Marathon.
Meredith Nierman/WGBH News

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Marcel Hug wins the men's wheelchair race with a time of 1:18:04.
Meredith Nierman/WGBH News

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Manuela Schar wins the women's wheelchair race, breaking the course record with a time of 1:28:17.
Meredith Nierman/WGBH News

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Edna Kiplagat of Kenya wins the women's division with a time of 2:21:52.
Meredith Nierman/WGBH News

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An emotional Kiplagat is greeted by photographers shortly after crossing the finish line.
Meredith Nierman/WGBH News

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Geoffrey Kirui of Kenya wins the men's division with a time of 2:09:37.
Meredith Nierman/WGBH News

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Kirui is also greeted by photographers.
Meredith Nierman/WGBH News

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Edna Kiplagat and Geoffrey Kirui, both from Kenya, hold up the winner's trophy.
Meredith Nierman/WGBH News

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The crowd cheers as a group of servicemen approaches the finish line.
Meredith Nierman/WGBH News

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Waves of runners cross the finish line and go off to search for their friends and family.
Meredith Nierman/WGBH News

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The marathoners represent several different countries.
Meredith Nierman/WGBH News

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A marathoner rushes over to greet her support group.
Meredith Nierman/WGBH News

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Crossing the finish line means a lot of things — victory, relief and replenishment, to name a few.
Meredith Nierman/WGBH News

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A man shows off his marathon medals.
Meredith Nierman/WGBH News

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The showing off is well deserved.
Meredith Nierman/WGBH News

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A man kisses the ground shortly after crossing the finish line.
Meredith Nierman/WGBH News