While the riders of the Tour de France enjoy a rest day in Tignes - a rare chance to enjoy a leisurely breakfast and catch up with family and friends - 8,000 cyclo-sportive riders will today be experiencing a taste of the pain and suffering they usually endure.
It's the 15th Etape du Tour and this year's route will take them from Foix - Cassoulet capital of France - to Loudenvielle, which was last visited by the Tour in 2003, when Gilberto Simon won the stage.
Among the starters will be 1,319 Brits - including hundreds of Cycling Weekly readers. British Cycling supremo David Brailsford and a group of his fellow coaches will be among them
The 196km route will take them over five cols - the Col de Port, Portet d'Aspet, Col de Mente, Port de Bales and Col de Peyresourde.
It's a course every bit as tough as last year's from Gap to Alpe d'Huez.
Also on the start list are three-time Tour de France winner Greg LeMond - one of 163 Americans who have entered, plus for world champion Abraham Olano of Spain. Last year's 'winner', Frenchman Blaise Sonnery - now a professional with Ag2r - is also riding.
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