Becca has been running since she was just six years old. She ran her first race with her dad by her side and she's never stopped. After years of competitive racing, including over a decade of Boston Marathons, she decides that it's time to raise the bar and run in one of the toughest races on the globe: the World Marathon Challenge. Seven marathons.

Seven continents.

Seven days.

Running in this challenge will push Becca to her limits" "and beyond. From icy terrains to hot desert climates, Becca must brave the elements and run faster and harder than she ever has before. Will she be the first American woman to win? Join Becca on this incredible, odds-defying adventure that shows everyone just how much they can accomplish with hard work and dedication.