CHICAGO (CBS) Registration for the 2012 Bank of America Chicago Marathon opens to the public Wednesday at Noon.

45,000 entry spots are available for the race, which is celebrating its 35th anniversary this year. The Chicago Marathon is one of five World Marathon Majors.

The entry fee for the 2012 marathon is $150 for U.S. participants and $175 for participants outside the U.S.

The race will start and finish in Grant Park on Sunday, Oct. 7 and can once again be heard on WSCR 670 The Score.

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