Other competitors included model Nell McAndrew, Olympic hurdle champion Sally Gunnell, wheelchair basketball player Ade Adepitan and rugby star Matt Dawson.

BBC: Runners brave marathon heatwave

And out on the course they will be joined by Sally Gunnell (Tower Bridge) and Colin Jackson (Blackfriars Bridge), together with Jill Douglas, Phil Jones and Juliette Ferrington.

BBC: SPORT | Athletics | The BBC at the London Marathon

The cast, which is gold-coloured, was originally exhibited alongside body cast sculptures of Dame Kelly Holmes, Kriss Akabusi, Sally Gunnell and Paralympian Darren Leach in Body Casting Olympians at the Mall Galleries in May 2012.

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Meanwhile, Sally Gunnell, John Regis, Suzi Perry and Blue Peter's Simon Thomas will be on the streets, talking to some of the "fun" runners, many of whom raise huge amounts of money for charity - a major part of the success of the marathon.

BBC: Marathon coverage at the