CrossFit: The fitness phenomenon that changed the industry - a podcast by BBC World Service

In 2000, an American personal trainer invented CrossFit.

They now have gyms around the world and hold an annual international competition.

Rachel Naylor speaks to two-time world champion Annie Thorisdottir, from Iceland.

(Photo: Annie Thorisdottir. Credit: CrossFit LLC)

Further episodes of Witness History

Further podcasts by BBC World Service

Website of BBC World Service