Race causes Loop street closures Thursday night
CHICAGO More than 26,000 people will be taking part in the 27th annual Corporate Challange Run.
They will represent 633 companies.
The three-and-a-half mile race begins at 7:10.
Columbus will be closed between Balbo and Roosevelt until 10:30 p.m.
Other streets will close and then open as runners pass through.
Those streets include: Monroe, Randolph, Wacker Drive and Congress.
