Watch live as racers take their mark beginning at 7 a.m. and join in on the thrills as the elite groups cross the finish line at 11 a.m. on NBC channel 5.
For extended coverage, join our live streaming and non-stop coverage online or on our digital channel. Go to the NBC Chicago website and NBC's Facebook from 7 a.m. to 1 p.m. It will be available for both local and international viewers. This will include interview content that is not available on the broadcast.
Chicago Nonstop will be available on digital channel 5.2 and Comcast 252, 342, RCN 50 and WOW 130.
Do you have a favorite marathon runner? Do you know someone running who has an inspiring story?
Update your twitter with these stories and tweet who your favorite runner is using the hashtag #chimarathon. You could be retweeted by NBC Chicago and because of your twitter updates your marathon hero could be shown on air.
NBC will be providing updates for viewers and readers during the race day via twitter and facebook.
Browse nbcchicago.com now for maps, race information and runner tracking information.
On race day, enjoy live reports from sports reporters Mike Adamle and Paula Faris, along with two-time Olympic marathon and long distance runner Ed Eyestone, who will provide commentary and analysis of the race on-air.
On the course, broadcaster and writer Toni Reavis, and Olympic Gold medalist Joan Benoit Samuelson will be following the runners. In Grant Park, Rob Elgas and Zoraida Sambolin will be reporting from the start and finish lines.
The marathon begins and ends in Grant Park and runners travel through 29 Chicago neighborhoods. NBC reporters will be in various neighborhoods providing coverage. Meteorologist Ginger Zee will be at the NBC Tower, Lauren Jiggetts will be in Lakeview, Charlie Wojciechowski in Pilsen and Kim Vatis will be in Chinatown.