Marathon registration filled in record time

February 6, 2012 3:50:25 PM PST
Registration for the 2012 Bank of America Chicago Marathon closed in record time, taking just 6 days for all of the 45,000 slots to be filled.

This year marks the 35th anniversary of the Chicago Marathon.

Demand to run in the race has dramatically increased over the last few years.

Non-profit organizations still have some available entries through charity programs.

The marathon is set for October 7.