A: The 2018 New York City Marathon will feature a number of different race distances, including a 5 kilometer (3.1 mile) race, a 10 kilometer (6.2 mile) race, a 15 kilometer (9.3 mile) race, a 20 kilometer (12.4 mile) race, a half marathon (13.1 mile) race, a 25 kilometer (15.5 mile) race, a 30 kilometer (18.6 mile)