A riders day will consist of burning 4000 to 6500 calories a day seven.days a week for three weeks. The riders will get two rest days along the way where most will do.1.5 to 3 hrs easy riding to keep their legs going. The strain of processing 4000 to 6500 calories on the body alone is quite severe without discussing the 4 to 6 hrs spent in the saddle. Over the next 3 weeks i’ll be detailing the nutritional needs and issues endured by a tour de France professional cyclist.