The 2026 TCS New York City Marathon will bring tens of thousands of runners and spectators to the streets of New York on Sunday, November 1. The 26.2-mile race travels through all five boroughs, starting on Staten Island and finishing in Manhattan's Central Park.

A half-century ago, a bunch of New York running nerds designed a radical masterpiece — an urban marathon course that touched all five boroughs of their sprawling city.

For the first time in 15 years, the marathon course has changed a bit, according to New York Road Runners, which is celebrating 50 years since the race course was altered to traverse all five boroughs...