Today, former commandos Louis and Anthony, who together make up Expedition 5, set off on their world record attempt to cross the world's 5 largest islands on foot: Borneo, Papua New Guinea, Madagascar, Greenland and Baffin Island.
Think of your favourite sport and I bet you could name ten ways in which your chosen sport has progressed over the last 50 years. Put quite simply though, golf hasn't though... Yet.
GB Rower Cameron Buchan talks about the pain and the pressure that comes with a big race, and how he makes sure he stays focused and in the zone.
Are you power hungry? This weeks top tips on how to train to increase power.
To know how to train for power, you first need to understand just what power is!