More than 1,100 marathons take place in the U.S. each year, and the latest statistics by Running USA indicate more than 500,000 runners finished a marathon last year.
So what makes a marathon stand out among the crowd of more than 1,000? Several factors contributed to our compilation of “bucket list” marathons, including history and tradition, a unique experience, a scenic course and, really, any criteria that would make a runner designate a race as a “must-do.”
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Here are 15 marathons you should be sure to cross off your to-do list: