Do you participate in marathons? In 2013, more than 1,100 marathons were held in the U.S. with 541,000 finishers—an all-time high. That means 308,400 men and 232,600 women ran 26.2 miles at least once last year. And a record 254,300 of those runners were older than 40.
If you are thinking about joining their ranks, check out this fun infographic from Pro-Form with some essential tips on how NOT to run a marathon.
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