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A Chesapeake Bay Retriever, and trainer Melissa Ness of Ramona, Calif., compete in the diving dog competition of the Purina Incredible Dog Challenge at Purina Farms in Gray Summit, Mo. on Saturday, Oct. 3, 2009. Smoke placed first in the event.
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The crowd watches the freestyle flying disc competition of the Purina Incredible Dog Challenge at Purina Farms in Gray Summit, Mo. on Saturday, Oct. 3, 2009.
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A Doberman Pinscher, and trainer Yvonne Mancino, not pictured, of Columbus, Ohio, compete in the 60-weave pole racing competition of the Purina Incredible Dog Challenge at Purina Farms in Gray Summit, Mo. on Saturday, Oct. 3, 2009.
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Terriers compete in the Jack Russell Hurdle Race during the Purina Incredible Dog Challenge at Purina Farms in Gray Summit, Mo. on Saturday, Oct. 3, 2009.
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Al Erikson and George, a Rat Terrier, from San Diego, Calif., compete in the freestyle flying disc competition of the Purina Incredible Dog Challenge at Purina Farms in Gray Summit, Mo. on Saturday, Oct. 3, 2009.
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Terriers run out of the gates in the Jack Russell Hurdle Race during the Purina Incredible Dog Challenge at Purina Farms in Gray Summit, Mo. on Saturday, Oct. 3, 2009.
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A Pyrenean Shepherd, from McKinney competes in the small dog agility competition of the Purina Incredible Dog Challenge at Purina Farms in Gray Summit, Mo. on Saturday, Oct. 3, 2009.
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Teresa Rodney and Sprint, a Flat-Coated Retriever, of Fountain Valley, Calif., compete in the large dog agility competition of the Purina Incredible Dog Challenge at Purina Farms in Gray Summit, Mo. on Saturday, Oct. 3, 2009.
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A Chesapeake Bay Retriever, and his trainer Perry Collier of Escondido, Calif., compete in the diving dog competition of the Purina Incredible Dog Challenge at Purina Farms in Gray Summit, Mo. on Saturday, Oct. 3, 2009. Henry placed second in the event.
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U.S. Olympic diver Greg Louganis and his Jack Russell Terrier, Dobby, compete in the small dog agility competition of the Purina Incredible Dog Challenge at Purina Farms in Gray Summit, Mo. on Saturday, Oct. 3, 2009.
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Angela Ewtushik and Rally, a Pyrenean Shepherd, from Ontario, Canada, compete in the freestyle flying disc competition of the Purina Incredible Dog Challenge at Purina Farms in Gray Summit, Mo. on Saturday, Oct. 3, 2009.
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Ginsey St. Croix, left, of Canton, Ga., and her Border collie, Star, greet the crowd after competing in the large dog agility competition of the Purina Incredible Dog Challenge at Purina Farms in Gray Summit, Mo. on Saturday, Oct. 3, 2009.