Tour of Britain: Elia Viviani takes number of Olympic medallists in race to six

Britain's Mark Cavendish won his first Olympic medal at Rio, taking silver behind Elia Viviani in the omnium

Elia Viviani will lead Team Sky at the Tour of Britain, meaning six Olympic medallists will take part in the race.

Italy's omnium winner Viviani, 27, joins Mark Cavendish and Britain's record medal winner Sir Bradley Wiggins on the start line.

Also competing are Welshman Owain Doull, Australia's Jack Bobridge and Dutch time trialist Tom Dumoulin.

The tour begins in Glasgow on Sunday 4 September at 11:00 BST and ends in London on Sunday 11.