Most people will never run a marathon. Then there’s Adrian Decunto.

Decunto has not only run the six most popular marathons in the world, he’s done them all seven times each.

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“If my body allowed me, I would run a marathon every week,” he said. His dedication may be singular, but his interest in running the world’s “Majors,” as these races are known, is part of a much larger movement.

Interest in running has never been higher , fueled by the rise of marathons, run clubs and social media influencers. That running boom has pushed demand for entry into the world’s premier races to unprecedented levels.

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At the center of the frenzy is the Abbott World Marathon Maj

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