Race causes Loop street closures Thursday night

May 22, 2008 4:22:47 PM PDT
There was a traffic alert for parts of downtown Chicago Thursday night.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.