Kathrine Switzer, the first woman to officially run the Boston Marathon 50 years ago, joins adidas' Mark King to talk about turning obstacles into opportunity and how she's running Boston again this year.

Kathrine Switzer, the first woman to officially run the Boston Marathon 50 years ago, joins adidas' Mark King to talk about turning obstacles into opportunity and how she's running Boston again this year.

Kathrine Switzer, the first woman to officially run the Boston Marathon 50 years ago, joins adidas' Mark King to talk about turning obstacles into opportunity and how she's running Boston again this year. &nbsp;

Kathrine Switzer Reminds Us: "The Worst Things in Life Can Become the Best Things"

Extraordinary Happens features compelling conversations with some of the biggest names in sports. Host Mark King, President of adidas Group North America, explores the stories from on and off the field of play that are shaping the sports landscape today.

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Kathrine Switzer Reminds Us: "The Worst Things in Life Can Become the Best Things"

Kathrine Switzer Reminds Us: "The Worst Things in Life Can Become the Best Things"