The New York City Marathon, currently branded as the TCS New York City Marathon for sponsorship reasons, is an annual marathon (42.195 km or 26.219 mi) that courses through the five boroughs of New York City. It is the largest marathon in the world, with 53,627 finishers in 2019 and 98,247 applicants for the 2017 race. Along with the Boston Marathon and Chicago Marathon, it is among the pre-eminent long-distance annual running events in the United States and is one of the World Marathon Majors.
https://en.wikipedia.org/wiki/New_York_City_Marathon