The 2018 United Airlines NYC Half will be broadcast live from New York City on Sunday, March 18 via multiple outlets. All broadcats are expected to begin at 7:00am ET.

Locally, the event will be broacast by WABC-TV Channel 7 and on their website.

ESPN3 will will carry the event nationally - Watch Here Online

From NYRR:

Watch the United Airlines NYC Half Live

• In New York, catch live coverage of the race, from start to finish, on ABC7 between 7:00 a.m. and 9:00 a.m. ET. The race will also be streamed live on the ABC app in the New York area. 
• Nationwide, a live stream of the race will be available on ESPN3 via WatchESPN and the ESPN app from 7:00 a.m. to 9:00 a.m ET. The live stream will be available on computers, tablets, smartphones, and streaming devices for those who have video subscriptions or subscriptions with affiliated partners. 
• International viewers can watch the broadcast from 7:00 a.m. to 9:00 a.m. ET via a variety of global broadcast partners (check local listings).
• Watch your own finish or find friends crossing the finish line with the Find Your Finish camera, live and on-demand on abc7NY.com (NYC) and ESPN3 (nationwide) from 8:10 a.m. to 11:10 a.m. ET.