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Today, Explained
Maggie Mertens, who wrote the book about running, was mentioned as someone who has been tracking the numbers related to marathon participation.
Maggie Mertens just wrote a book about running, so she's been tracking the numbers and can vouch.
— Episode: Why everybody's running marathons now
Episode: Why everybody's running marathons now
Maggie Mertens, who wrote the book about running, was mentioned as someone who has been tracking the numbers related to marathon participation.
Maggie Mertens just wrote a book about running, so she's been tracking the numbers and can vouch.
Maggie Mertens is the author of Better, Faster, Farther. How running changed everything we know about women.