Chicago MarathonThe Chicago Marathon has become an iconic event and you and your guests can treat yourself to a V.I.P. Chicago private yacht cruise on Lake Michigan and overnight stay aboard Adeline’s Sea Moose.

Chicago Marathon • October • Free to watch • Grant Park

Consistently voted among the world’s top five marathons in most rankings lists, the Bank of America Chicago Marathon is equal parts spectacle and world-class race. If you don’t consider yourself a runner, you can still enjoy the marathon by joining spectators or more than 100 volunteer groups in all the action.

It’s big, real big:

45,000 registered participants
1.7 million estimated spectators
50 U.S. states and over 100 countries represented
26.2 mile course through 29 Chicago neighborhoods
$13.4 million raised for charity in 2011

Source: Choose Chicago