TRACK AND FIELD PHOTOS

  • Michelle Carter competes in the women's shot put during the U.S. indoor track and field championships in Boston, Sunday, March 1, 2015. (AP Photo/Michael Dwyer)

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  • Amanda Smock competes in the women's triple jump during the U.S. indoor track and field championships in Boston, Sunday, March 1, 2015. (AP Photo/Michael Dwyer)

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  • Robby Andrews, center, wins the men's 1000-meter run during the U.S. indoor track and field championships in Boston, Sunday, March 1, 2015. (AP Photo/Michael Dwyer)

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  • Casimir Loxsom wins the men's 600-meter run during the U.S. indoor track and field championships in Boston, Sunday, March 1, 2015. (AP Photo/Michael Dwyer)

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  • Alysa Montano, right, competes against Ajee Wilson, center, and Kendra Chambers, left, in the women's 600-meter run during the U.S. indoor track and field championships in Boston, Sunday, March 1, 2015. (AP Photo/Michael Dwyer)

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  • Matthew Centrowitz wins the men's 1-mile run during the U.S. indoor track and field championships in Boston, Sunday, March 1, 2015. (AP Photo/Michael Dwyer)

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  • Chaunte Lowe competes in the women's high jump during the U.S. indoor track and field championships in Boston, Sunday, March 1, 2015. (AP Photo/Michael Dwyer)

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  • Jasmin Stowers, right, and Kristi Castlin compete in the women's 60-meter hurdles during the U.S. indoor track and field championships in Boston, Sunday, March 1, 2015. (AP Photo/Michael Dwyer)

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  • Demi Payne competes in the women's pole vault during the U.S. indoor track and field championships in Boston, Sunday, March 1, 2015. (AP Photo/Michael Dwyer)

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  • Demi Payne competes in the women's pole vault during the U.S. indoor track and field championships in Boston, Sunday, March 1, 2015. (AP Photo/Michael Dwyer)

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