Media playback is unsupported on your device

Cardiff CrossFit team up against 'fittest in the world'

17 May 2014 Last updated at 10:06 BST

CrossFit, which began as a form of fitness training, has now become an international sports competition.

No British team has ever managed to reach the world finals but Team DC from Cardiff are trying to change that.

Tomos Morgan reports.

BBC © 2014 The BBC is not responsible for the content of external sites. Read more.

This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.