The 54th running of this 26.2-mile trek through all five Big Apple boroughs, from Staten Island to Central Park. Elite entrants include defending champs Abdi Nageeye (Netherlands) and Sheila Chepkirui (Kenya), plus former world-record holder Eliud Kipchoge in his final marathon; Evans Chebet, Sifan Hassan, Hellen Obiri; and Americans Emily Sisson, Sara Hall, Alex Maier and Biya Simbassa.