NYC Marathon 2013

Geoffrey Mutai of Kenya celebrates his first place win in the men's division of the New York City Marathon, on Sunday, Nov. 3, 2013, in New York City.

Runners make their way through the Brooklyn borough of New York during the New York City Marathon, on Sunday.

Runners participate in the ING New York City Marathon on Sunday, in New York City. With the Boston Marathon bombing in April still fresh in many minds, security is especially high this year at the New York City Marathon.

Women's winner Priscah Jeptoo of Kenya, center, second place finisher Buzunesh Deba of Ethiopia, left, and third place finisher Jelena Prokopcuka of Latvia pose after the New York City Marathon, on Sunday, in New York.

New York Road Runners president Mary Wittenberg huddles with Meb Keflezighi of California at the finish line of the New York City Marathon, on Sunday, in New York.

Two runners embrace after crossing the finish line of the New York City Marathon in New York, on Sunday. Over 50,000 people started the race, which wound its way through the five New York City boroughs, finishing in Central Park.

Tatyana McFadden of the U.S. crosses the finish line to win the Women's Wheelchair Division of the New York City Marathon on Sunday, in New York.

Runners run through Central Park while participating in the ING New York City Marathon on Sunday, in New York City.

A man takes a cup of water while running the ING New York City Marathon on Sunday, in New York City.

Front-runners race in the New York City Marathon on Sunday. One of the most famous marathons in the world, canceled at the last minute in 2012 because of Superstorm Sandy, started with approximately 50,000 participants and strengthened security measures after the bombing of the Boston Marathon in April 2013.

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, on Sunday.

Runners make their way through the Williamsburg section of Brooklyn during the New York City Marathon on Sunday.

A police helicopter hovers nearby as runners cross the Verrazano-Narrows Bridge at the start of the New York City Marathon, on Sunday.

A runner carrying the U.S. flag and wearing a t-shirt that says "Boston Strong" crosses the Verrazano-Narrows Bridge during the New York City Marathon in New York, On Sunday.

Runners are screened by police officers as they arrive for the New York City Marathon, on Sunday.

Runners pass through scanners as they are checked by New York Police Department officers upon arrival for the New York City Marathon on Staten Island on Sunday. In addition to cheering supporters, runners in this Sunday's New York City Marathon will also be monitored by bomb-sniffing dogs, police scuba divers and surveillance helicopters to prevent an attack similar to the one at the Boston race earlier this year.

With the Verrazano-Narrows Bridge in the background, runners rest before the start of the New York City Marathon, on Sunday, in New York City.

New York Police Department counter-terrorism officers patrol the course near the finish line area in Central Park before the start of the New York City Marathon in New York, on Sunday.

A New York Police Department bomb squad officer and dog patrol the finish line before the New York City Marathon on Sunday.