WATCH: 'GMA' January Challenge: Amy Robach on her love of running and how to get started

WATCH: 'GMA' January Challenge: Amy Robach on her love of running and how to get started https://s.abcnews.com/images/GMA/190102_gma_january_801_hpMain_16x9_992.jpg

WATCH: 'GMA' January Challenge: Amy Robach on her love of running and how to get started

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