Sebastian Coe, Sally Gunnell, Roger Black and Victoria Pendleton will be among the famous faces encouraging people to join in with the London 2012 Roadshow at the Tour de France Grand Depart this weekend.
The London 2012 Roadshow will be part of the Tour de France People's Village in Hyde Park, with the chance for visitors to try out new sports and test their Dream Stats.
Champions including Sally Gunnell and Roger Black will be on hand with top tips on how to take up sport and improve performance.
Cycling events are taking place around London throughout the weekend as the capital welcomes the Tour de France for the first time.
Sebastian Coe, Chair of the London 2012 Organising Committee said: "I am delighted that the Roadshow is able to be at such a momentous event as Le Grand Depart to demonstrate first hand how this is being undertaken and get the local community involved.
"We want to encourage young people to develop their sporting ability, to achieve something for themselves or to inspire others to unearth their own talents."
6 July 2007 Find out more about the Tour de France.
Find out more about the Roadshow.