BY THE NUMBERS

BY THE NUMBERS

Participation:

25.6 million: People who run at least 50 days a year

16.4 million: People who run at least 100 days a year

39.8 million: Pairs of running shoes sold last year

Money spent:

$2.36 billion: Dollars spent on running-shoe purchases in 2009

$883 million: Dollars spent on running-apparel purchases in 2009

Source: Running USA, National Sporting Goods Association, Sporting Goods Manufacturers Association