TRACK AND FIELD PHOTOS

  • BOSTON, MA - APRIL 19: Runners cross the finish line of the Boston Marathon as part of the 2014 B.A.A. 5K race course on April 19, 2014 in Boston, Massachusetts. (Photo by Alex Trautwig/Getty Images)

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  • Henry Richard, bottom center, whose brother Martin was killed in the 2013 Boston Marathon bombings, joins the Team MR8 group after they finished the Boston Marathon 5K in Boston, Saturday, April 19, 2014. The group was running for the Martin Richard foundation. (AP Photo/Elise Amendola)

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  • Henry Richard, front center, whose brother Martin was killed in the 2013 Boston Marathon bombings, joins the Team MR8 group after they finished the Boston Marathon 5K in Boston, Saturday, April 19, 2014. The group was running for the Martin Richard foundation. (AP Photo/Elise Amendola)

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  • Young Team MR8 runners, including Henry Richard, second row center, whose brother Martin was killed in the 2013 Boston Marathon bombings, cheer after finishing the Boston Marathon 5K in Boston, Saturday, April 19, 2014. The group was running for the Martin Richard foundation. (AP Photo/Elise Amendola)

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  • Henry Richard, left, whose brother Martin was killed in the 2013 Boston Marathon bombings, is hugged after the Team MR8 group finished the Boston Marathon 5K in Boston, Saturday, April 19, 2014. The group was running for the Martin Richard foundation. (AP Photo/Elise Amendola)

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  • Henry Richard, front center, whose brother Martin was killed in the 2013 Boston Marathon bombings, joins the MR8 group after they finished the Boston Marathon 5K in Boston, Saturday, April 19, 2014. The group was running for the Martin Richard foundation. (AP Photo/Elise Amendola)

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  • Henry Richard, bottom center, whose brother Martin was killed in the 2013 Boston Marathon bombings, joins the MR8 group after they finished the Boston Marathon 5K in Boston, Saturday, April 19, 2014. The group was running for the Martin Richard foundation. (AP Photo/Elise Amendola)

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  • BOSTON, MA - APRIL 19: 2014 B.A.A. 5K medals that read, 'Boston Run As One', are displayed on a table near the finish line of the race in the Boston Common on April 19, 2014 in Boston, Massachusetts. (Photo by Jared Wickerham/Getty Images)

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  • BOSTON, MA - APRIL 19: Dejan Gebremeskel of Ethopia (right) who edged out Ben True of the United States (left) for first place walk near the finish line of the 2014 B.A.A. 5K on April 19, 2014 in Boston, Massachusetts. (Photo by Jared Wickerham/Getty Images)

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  • BOSTON, MA - APRIL 19: Runners make their way down Boylston Street as part of the 2014 B.A.A. 5K race course on April 19, 2014 in Boston, Massachusetts. (Photo by Alex Trautwig/Getty Images)

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