New York City is gearing up for this year's ING Marathon and there is a definite buzz in the air.  Runners from all over are descending up on the city for this weekend's annual race.

And gyms see this as a boon.

"While the Christmas shopping season doesn't start until late November, some local businesses are seeing a spike in business in the run-up to another big day: that of the ING New York City Marathon. In addition to this Sunday's marathon "expected to draw 37,000 participants and 500,000 spectators, the 2008 Olympic team trials marathon is being held Saturday.As runners prepare for these races, spas and gyms around the city have been teeming," reports The New York Sun. 

Running, it's great for the body, and for business!