, and drink plenty of water. "Detox diets have received a bad press - mainly because they involve semi-fasting or omitting important food groups," says Bean, "but this diet focuses on fresh, tasty and nutrient-packed foods that help your natural detox system

drinks stations along the route, as well as countless food stops serving local delicacies from foie gras, oysters and entrecote steak, to ham, cheese and fruit. The party starts well before the race begins though. In the days leading up to the Saturday

don't pant, they perspire very little, and they can cope with a change in body temperature of up to 60C. People are not as well designed to deal with heat or limited water. While we can survive for as long as a month in a moderate climate without food