 There were 21 stages in the race , covering a total of 3 @,@ 403 @.@ 5 kilometres ( 2 @,@ 115 mi ) , 93 @.@ 4 km ( 58 mi ) shorter than the 2012 Tour . The longest race stage was the fourth at 228 @.@ 5 km ( 142 mi ) , and stage 20 the shortest at 125 km ( 78 mi ) . It featured a final set of stages which were described by journalist William Fotheringham as " brutal " , including three Alpine stages in the last week along with a " viciously hard " time trial . As the 100th edition of the race , the 2013 edition featured some of the famous climbs from the history of the race , including a summit finishes on Mont Ventoux on stage 15 , and Alpe d 'Huez on stage 18 . These included a double ascent of the Alpe d 'Huez , the first time the tour featured a double climb of this scale . There were eight flat stages , three hilly stages , seven mountain stages ( with four summit finishes ) , two individual time trial stages and one team time trial stage . The final stage ending on the Champs @-@ Élysées was an evening finish for the first time . The rest days were after stage 9 , in Saint @-@ Nazaire , and 15 , in Vaucluse . 
