X Factor winner Sam Bailey and sports stars Jonathan Edwards, Darren Gough and Sally Gunnell are among the famous faces in a field of more than 25,000 riders who are taking on the 2015 Prudential RideLondon-Surrey 100 on Sunday August 2.
The 2013 X Factor winner was guided to success by mentor Sharon Osborne and has gone on to record a number one UK album and embark on a sold-out headline tour.
Bailey will make her debut riding as part of Team Telegraph, who are raising money for Scope, a charity that supports disabled people.
Joining Bailey in Team Telegraph will be Olympic medallist Jonathan Edwards, who won gold at the 2000 Sydney Games in the triple jump.
Since his retirement from athletics, Edwards has become a keen cyclist and will make his RideLondon-Surrey 100 debut this year.
Completing the team line-up are TV presenter Jenni Falconer, BBC presenter John Inverdale and Welsh rugby legend Shane Williams.
Olympic gold medallist Sally Gunnell will captain Team Telegraph. This will be the second time she has taken on the RideLondon-Surrey 100 after she completed the inaugural event in 2013.
Retired England cricketers Darren Gough and Allan Lamb are both riding the sportive for the first time in support of the charity Help for Heroes, while rugby union is well represented with three members of England's 2003 World Cup-winning team: Matt Dawson, Martin Johnson and Simon Shaw.
Dawson will be riding for the third time in support of the charity Beating Bowel Cancer, while Shaw makes his debut riding in support of the charity Action for A-T.
Alongside the stars of sports and entertainment will be tens of thousands of fundraisers across the weekend.
Check out our guide to what's going on and when at this year's event so you can plan what to watch!
