How can science, technology and engineering aid the world's elite athletes? In this special edition of the Naked Scientists, we discover how physiology, psychology and technology help get us across the finish line. We'll be exploring the biochemical tests that can improve training, and Meera gets put through her paces on a treadmill! We also hear from Gold Medal winner Steve Redgrave and current Team GB competitors about the impact of science on their performance. Plus, how Formula One technology can make better bicycles, and why can technology can get so good, it has to be banned from competition...