Gearing up for the largest marathon in the world? Join us for the new TCS New York City Marathon Training Series, a three-race series to prepare you for 26.2 on November 4. The series is designed to support your training plan and kicks off with this 12-miler in July. Get excited for your five-borough run with an amazing pair of socks as your race premium. Finishers will also receive 9+1 credit for the 2019 TCS New York City Marathon.