March 29, 2014 (CHICAGO) --The running season in Chicago gets its official start Sunday with the Shamrock Shuffle and that means a lot of road closures Downtown along the running path.
The Start/Finish Line is in Grant Park along Columbus Drive.
Runners step off at 8:30 am.
Forty thousand people are taking part in what organizers call the world's largest 8K race.
This is the 35th year for the Shamrock Shuffle.