CHICAGO (WLS) --A 39-year-old man running in the J.P. Morgan Chase Corporate Challenge in Grant Park died after collapsing during the Thursday night race, police said.
Emergency crews responded just after 7:30 p.m. to the 100-block of South Columbus Drive. The man was taken to Northwestern Memorial Hospital, where he later died, police said.
His name has not yet been released.
A record 27,000 people from 680 different companies filled Grant Park took part in the event.