Tim Shieff, 24, said he had trained hard before making the film which included running along the top of the Assembly Rooms.

BBC: Champion free runner Tim Shieff defends stunt

Sir Chris will then attend a private ceremony at the Assembly Rooms.

BBC: Sir Chris Hoy

Boston Borough Council has been trying to sell the Assembly Rooms for the past six years, saying the Grade II listed structure had no official use.

BBC: Boston council finds Assembly Rooms buyer after six years

The Edinburgh City Council's refurbishment of The Assembly Rooms building in George Street, includes restoring its ballroom and music hall, with shops and a restaurant planned for other smaller spaces.

BBC: The Assembly Theatre Fringe venue to leave 30-year home

Hoy, who has six Olympic gold medals - two from London 2012 - making him Britain's greatest Olympian, will then be given the freedom of the city during a private ceremony at the Assembly Rooms at about 15:00, watched by 500 invited guests.

BBC: Sir Chris Hoy

At the Assembly Rooms, the Pleasance and the Underbelly, for example, entrepreneurs try to ensure that most of their big spaces are packed, by using big names and tested shows, a heady mix of two-fifths comedy, two-fifths theatre, and the rest music and dance.

ECONOMIST: The macro and micro of an impromptu festival