14^th Running of the Chicago Half Marathon & 5K takes place on Sunday, September 12, 2010. The 13^th Annual Chicago Half Marathon & 5K sold out at 20,0000 participants. Don’t miss your chance to participate in this 14^th annual event. The Chicago Half is the fifth largest half marathon in the U.S. and the 21st largest road race in the country.

Click through to our Calendar to find the race and register.