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Is the Marathon Boom Over?

I was reading Running USA’s statistics about marathoning and saw that the number of finishers didn’t increase nearly as much from 2010 to 2011 as it did in previous years. Is that a sign that the marathon boom is coming to an end?

BARCELONA - SEPT 28: Runners on start of Cursa de la Merce popular race in Montjuich Mountain on September 28, 2009 in Barcelona, Spain (Photo: Maxisport/