Three weeks, 21 stages, 3,351km, 176 cyclists and a combined burn of 25 million calories — so what exactly goes into fuelling the riders of the Tour de France? | Words by Laura Tilt

Three weeks, 21 stages, 3,351km, 176 cyclists and a combined burn of 25 million calories — so what exactly goes into fuelling the riders of the Tour de France? | Words by Laura Tilt