Stage 18 - Thursday, July 24: Bourg d'Oisans - Saint Étienne, 196.5km

The Alps are behind us now, but this stage is by no means flat with a third, a second and a fourth category climb to deal with. The course doesn't suit the sprinters, but neither is it tough enough for the climbers and overall contenders, for this reason it has breakaway written all over it. Anyone who has managed to save a bit of energy over the preceding few days will have a go here and in all likelihood the time gap allowed will be enormous providing nobody of any note is in the break.

Bourg d'Oisans has been a stage start time 19 times before, but has never hosted a finish. Sitting as it is at the foot of Alpe d'Huez, it is a natural choice for the next day's stage. The last time a stage started here was in 2006 when the course headed north to another mountaintop finish at La Toussuire. Danish super-climber Michael Rasmussen (Rabobank) took the victory alone on his way to taking the polka dot mountain jersey.

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