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The mens wheelchair competitors cross the Pulaski bridge into the Queens borough of New York during the New York City Marathon on Sunday, Nov. 3, 2013. Marcel Hug, of Switzerland, finished first and Ernst Van Dyk, of South Africa, finished second. (AP Photo/Kathy Kmonicek) ( NYC Marathon )

Runners cross the finish line at the New York City Marathon on November 3, 2013 in New York. STAN HONDA/AFP/Getty Images ( 524319407 )

Marcel Hug of Switzerland reacts crossing the finish line followed by Ernst Van Dyk of South Africa, center, as he wins the mens' wheelchair division of the New York City Marathon, Sunday, Nov. 3, 2013, in New York. Person at rear right is unidentified (AP Photo/Kathy Willens) ( APTOPIX NYC Marathon Athletics )

Christy Pasion of New York leaps across the finish line after completing the New York City marathon, Sunday, Nov. 3, 2013, in New York. (AP Photo/Kathy Willens) ( NYC Marathon Athletics )

Women's wheelchair winner Tatyana McFadden, left, gets a kiss from a family member after coming in first in the women's wheelchair division of the New York City Marathon, Sunday, Nov. 3, 2013, in New York. (AP Photo/Kathy Willens) ( APTOPIX NYC Marathon Athletics )

Priscah Jeptoo of Kenya crosses the finish line in Central Park to win the 2013 ING New York City Marathon on November 3, 2013 in New York City. (Photo by Elsa/Getty Images) ( 186709117 )

A police helicopter hovers nearby as runners cross the Verrazano-Narrows Bridge at the start of the New York City Marathon, Sunday, Nov. 3, 2013, in New York. (AP Photo/Jason DeCrow) ( APTOPIX NYC Marathon Athletics )

Geoffrey Mutai of Kenya crosses the finish line in Central Park to win the 2013 ING New York City Marathon on November 3, 2013 in New York City. (Photo by Elsa/Getty Images) ( 186709411 )

Baxter, a 3-year-old rescue dog owned by Jade Chin of Woodside, Queens awaits Ian Chin, Jade Chin's brother, who is a runner in the New York City Marathon, in the Queens borough of New York, on Sunday, Nov. 3, 2013. New York. (AP Photo/Kathy Kmonicek) ( NYC Marathon Athletics )

Sabrina Mockenhaupt of Germany kisses the ground after finishing seventh in the women's division of the New York City marathon, Sunday, Nov. 3, 2013, in New York. (AP Photo/Kathy Willens) ( NYC Marathon Athletics )

Third-placed Lusapho April, of South Africa, reacts after finishing the New York City Marathon, Sunday, Nov. 3, 2013, in New York. (AP Photo/Kathy Willens) ( NYC Marathon Athletics )

A man in a costume runs up First Avenue November 3, 2013 during the running of the New York City Marathon in New York. DON EMMERT/AFP/Getty Images ( 524322592 )

Empty paper cups litter the street from runners quenching their thirst along Vernon Boulevard in the Queens borough of New York during the New York City Marathon on Sunday, Nov. 3, 2013. (AP Photo/Kathy Kmonicek) ( NYC Marathon )

Runners finished with the ING New York City Marathon walk through the streets cloaked in blankets on November 3, 2013 in New York City. With the Boston Marathon bombing from earlier this year still fresh in many minds, security is especially high this year at the New York City marathon. (Photo by Andrew Burton/Getty Images) ( 186722634 )

Fans cheer runners as the enter into the Queens borough of New York from the Pulaski Bridge during the New York City Marathon on Sunday, Nov. 3, 2013. New York. (AP Photo/Kathy Kmonicek) ( NYC Marathon Athletics )

New York Road Runners president Mary Wittenberg consoles Meb Keflezighi of California at the finish line of the New York City Marathon, Sunday, Nov. 3, 2013, in New York. (AP Photo/Kathy Willens) ( NYC Marathon Athletics )

Counter-terrorism police officers walk the course near the finish line of the 2013 New York City Marathon in New York, Sunday, Nov. 3, 2013. The increased security at the marathon will be most evident near the finish line in Central Park. There will be barricades around the park to limit entry points, bag checks and bomb-sniffing dogs. (AP Photo/Seth Wenig) ( NYC Marathon Athletics )

Actress Pamela Anderson smiles after crossing the finish line at the 2013 New York City Marathon in New York, Sunday, Nov. 3, 2013. (AP Photo/Seth Wenig) ( NYC Marathon Athletics )

Third place finisher Manuela Schar, left, of Switzerland and women's wheelchair winner Tatyana McFadden, of the United States, celebrate after completing the New York City Marathon, Sunday, Nov. 3, 2013, in New York. (AP Photo/Kathy Willens) ( NYC Marathon Athletics )

Runners cross the Verrazano-Narrows Bridge at the start of the ING New York City Marathon on November 3, 2013 in the Brooklyn borough of New York City. (Photo by Maddie Meyer/Getty Images) ( 186706936 )

Medals are distributed for participants beyond the finish line of the the 2013 ING New York City Marathon on November 3, 2013 in New York City. (Photo by Elsa/Getty Images) ( 186712660 )

Runners cross the finish line at the New York City Marathon on November 3, 2013 in New York. STAN HONDA/AFP/Getty Images ( 524319181 )

A runner celebrates as he crosses the Pulaski Bridge into the Queens borough of New York during the New York City Marathon on Sunday, Nov. 3, 2013. New York. (AP Photo/Kathy Kmonicek) ( NYC Marathon )

An New York police office rides alongside Julius Arile of Kenya as he runs in the Brooklyn borough of New York during the New York City Marathon, Sunday, Nov. 3, 2013. (AP Photo/Craig Ruttle) ( NYC Marathon Athletics )

Racers run through Central Park November 3, 2013 during the running of the New York City Marathon in New York. DON EMMERT/AFP/Getty Images ( 524322596 )

Marcel Hug of Switzerland (L) crosses the finish line to win the Men's Wheelchair Division of the New York City Marathon on November 3, 2013 in New York. Ernst Van Dyk (C) of South Africa finishes second. STAN HONDA/AFP/Getty Images ( 524315819 )

A man in a suit runs up First Avenue November 3, 2013 during the running of the New York City Marathon in New York. DON EMMERT/AFP/Getty Images ( 524322587 )

Runners cross over the Pulaski Bridge into the Queens borough of New York during the New York City Marathon on Sunday, Nov. 3, 2013. (AP Photo/Kathy Kmonicek) ( NYC Marathon Athletics )

A woman and other runners cross the finish line at the New York City Marathon on November 3, 2013 in New York. STAN HONDA/AFP/Getty Images ( 524319302 )

Wearing a shirt that pays tribute to victims of the Boston Marathon bombings, Andrew Mangone of the United States reacts crossing the finish line after completing the New York City Marathon, Sunday, Nov. 3, 2013, in New York. (AP Photo/Kathy Willens) ( NYC Marathon Athletics )

Junko Savage and her husband, Gary Savage of Little Neck, N.Y., cheer runners as they come off the Pulaski Bridge in the Queens borough of New York during the New York City Marathon on Sunday, Nov. 3, 2013. (AP Photo/Kathy Kmonicek) ( NYC Marathon†Athletics )

Entrepreneur and TV personality Bill Rancic embraces his wife, Giuliana Rancic, after finishing the ING New York City Marathon on Sunday, November 3, 2013, in New York's Central Park. Rancic, who was the very last person to start the race, finished with an unofficial time of 4:57. Timex will be donating $30,000 to Fab-U-Wish, a charity founded by his wife Giuliana Rancic that supports women affected by breast and ovarian cancer. (Photo by Diane Bondareff/Invision for Timex/AP Images) ( Bill Rancic at the ING New York City Marathon )

A counterterrorism police officer uses a metal detecting wand at a security checkpoint near the finish line of the 2013 New York City marathon, Sunday, Nov. 3, 2013, in New York. Increased security is visible in the wake of the Boston Marathon bombings. (AP Photo/Kathy Willens) ( NYC Marathon Athletics )

American runners Michael Cassidy, left, and Meb Keflezighi cross the finish line holding hands at the 2013 New York City Marathon in New York, Sunday, Nov. 3, 2013. (AP Photo/Seth Wenig) ( NYC Marathon Athletics )