British cycling is enjoying unprecedented success and cyclists are now household names. Dave Brailsford, the performance director of the British cycling team, has been widely credited with Britain's rise to the top. His winning methods include combining an encyclopaedic knowledge of the sport with an obsessive work ethic, relentlessly crunching numbers and other data in a constant quest for any competitive advantage, however small. But he's not just a numbers man. Ruth Alexander talks to those who know Brailsford, and finds out what motivates the quiet cycling supremo.

Presenter Ruth Alexander