TCS New York City Marathon

NEW YORK, NY - NOVEMBER 01: Participation medals hang at the finish line of the TCS New York City Marathon on November 1, 2015 in New York City. (Photo by Elsa/Getty Images)

TCS New York City Marathon

The elite women's runners cross the Verrazano-Narrows Bridge at the start of the TCS New York City Marathon on Nov. 1, 2015. (Photo by Mike Stobe/Getty Images)

TCS New York City Marathon

An athlete in the wheelchair division crosses the Verrazano-Narrows Bridge at the start of the TCS New York City Marathon on Nov. 1, 2015. (Photo by Mike Stobe/Getty Images)

SPO-MARATHON-TCS NEW YORK CITY MARATHON

Tatyana McFadden fron the U.S. crosses the finish line to win the women's wheelchair division of the TCS New York City Marathon on Nov. 1, 2015. (Credit: Timothy A. Clary/AFP/Getty Images)

TCS New York City Marathon

Wheelchair division winners Ernst van Dyk of South Africa and Tatyana McFadden of the United States celebrate during the TCS New York City Marathon on Nov. 1, 2015 in New York City. (Photo by Elsa/Getty Images)

TCS New York City Marathon

TCS New York City Marathon runners gather near the starting line in Staten Island on Nov. 1, 2015. (Credit: Tom Kaminski/WCBS 880)

TCS New York City Marathon

TCS New York City Marathon runners cross the Verrazano-Narrows Bridge on Nov. 1, 2015. (Credit: Tom Kaminski/WCBS 880)

TCS New York City Marathon

TCS New York City Marathon runners cross the Verrazano-Narrows Bridge on Nov. 1, 2015. (Credit: Tom Kaminski/WCBS 880)

TCS New York City Marathon

Runners pass through Bay Ridge, Brooklyn, during the TCS New York City Marathon on Nov. 1, 2015. (Credit: Kristy May)

TCS New York City Marathon

Runners pass through Bay Ridge, Brooklyn, during the TCS New York City Marathon on Nov. 1, 2015. (Credit: Ryan Chatelain/CBSNewYork.com)

TCS New York City Marathon

TCS New York City Marathon runners cross the Verrazano-Narrows Bridge on Nov. 1, 2015. (Credit: Kelly Waldron/WCBS 880)

TCS New York City Marathon

Ernst van Dyk from South African crosses the finish line to win the men's wheelchair division of the TCS New York City Marathon on Nov. 1, 2015. (Credit: Timothy A. Clary/AFP/Getty Images)

TCS New York City Marathon

Runners cross the Verrazano-Narrows Bridge at the start of the TCS New York City Marathon on Nov. 1, 2015. (Photo by Mike Stobe/Getty Images)

TCS New York City Marathon

Runners cross the Verrazano-Narrows Bridge at the start of the TCS New York City Marathon on Nov. 1, 2015. (Photo by Mike Stobe/Getty Images)

TCS New York City Marathon

Runners cross the Verrazano-Narrows Bridge at the start of the TCS New York City Marathon on November 1, 2015 in New York City. (Photo by Mike Stobe/Getty Images)

TCS New York City Marathon

Runners wait at the starting line prior to crossing the Verrazano-Narrows Bridge at the start of the TCS New York City Marathon on November 1, 2015 in Staten Island. (Photo by Mike Stobe/Getty Images)

TCS New York City Marathon

Runners cross the Verrazano-Narrows Bridge at the start of the TCS New York City Marathon on November 1, 2015 in New York City. (Photo by Mike Stobe/Getty Images)

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Mary Keitany of Kenya crosses the finish line to win the Pro Women's division during the 2015 TCS New York City Marathon in Central Park on November 1, 2015 in New York City. (Photo by Elsa/Getty Images)

TCS New York City Marathon

Mary Keitany of Kenya crosses the finish line to win the Pro Women's division during the 2015 TCS New York City Marathon in Central Park on November 1, 2015 in New York City. (Photo by Elsa/Getty Images)

TCS New York City Marathon

Wheelchair division races line up at the starting line of the TCS New York City Marathon on Nov. 1, 2015. (Credit: Ginny Kosola/WCBS 880)

TCS New York City Marathon

Men's division winner Stanley Biwott of Kenya, left, poses with women's division winner Mary Keitany of Kenya during the 2015 TCS New York City Marathon on Nov. 1, 2015. (Photo by Elsa/Getty Images)

TCS New York City Marathon

Aselefech Mergia of Ethiopia celebrates with her second place medal during during the TCS New York City Marathon on November 1, 2015 in New York City. (Photo by Elsa/Getty Images)

TCS New York City Marathon

Yuki Kawauchi of Japan is assisted after he crossed the finish line during the TCS New York City Marathon on November 1, 2015 in New York City. (Photo by Elsa/Getty Images)

TCS New York City Marathon

Meb Keflezighi of the United States assists Yuki Kawauchi of Japan after he crossed the finish line during the TCS New York City Marathon on November 1, 2015 in New York City. (Photo by Elsa/Getty Images)

TCS New York City Marathon

Mary Keitany of Kenya approaches the finish line to win the Pro Women's division at TAG Heuer Official Timekeeper and Timepiece of 2015 TCS New York City Marathon on November 1, 2015 in New York City. (Photo by Craig Barritt/Getty Images for TAG Heuer)

TCS New York City Marathon

Women's winner Mary Keitany of Kenya and men's winner Stanley Biwott of Kenya pose with their medals after the TCS New York City Marathon on November 1, 2015 in New York City. (Photo by Elsa/Getty Images)

TCS New York City Marathon

Second place winner Aselefech Mergia of Ethiopia, first place winner Mary Keitany of Kenya and third place winner Tigist Tufa of Ethiopia pose with their medals during the TCS New York City Marathon on November 1, 2015 in New York City. (Photo by Elsa/Getty Images)

TCS New York City Marathon

Second place finisher Geoffrey Kamworor of Kenya, first place finisher Stanley Biwott of Kenya and third place finisher Lelisa Desisa of Ethiopia pose with their medals during the TCS New York City Marathon on November 1, 2015 in New York City. (Photo by Elsa/Getty Images)

TCS New York City Marathon

New York City police Commissioner Bill Bratton and filmmaker and Grand Marshal of the New York City Marathon Spike Lee hold up the finish ribbon on Nov. 1, 2015. (Photo by Craig Barritt/Getty Images for TAG Heuer)