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There once was a woman who lived in a shoe. A size too snug, but what could she do? But that's not where her story ends. Thanks to a little help from her Experian friends,

she got her score into much better shape

and relocated to a box fresh new place,

with room to grow and a mortgage to suit.

Now, she lives in a spacious four bedroom cowboy boots.

Better your Experian credit score to help get mortgage ready.

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Welcome to the Runner's World Show, where each week we entertain you, inspire you, and inform you about all things running.

I'm David Willie, editor-in-chief of Runner's World.

This week on the show, producer Brian Dalek heads to Central Park in New York City to see

just what brings runners and really athletes of all kinds out on a frigid day to gut out a high-intensity

workout called Iron Strength. And then in the kick, a runner turns in some stunningly fast times as he does seven marathons on seven continents in seven days. Wow. But first, our shoes and gear editor, Jeff Dengate, talks with the creator of Iron Strength, Dr. Jordan Metzell. Dr. Metzell is a sports medicine physician who is all about going to the

source of an athlete's injuries rather than treating the symptoms. And what causes most injuries,

it's usually muscle weaknesses and imbalances. So he's become an evangelist of sorts for prescribing

exercise as medicine. And so then I started writing this on, I literally would take a prescription pad and start writing

...