Please select a radar-climb :

Calculation date and margin of error are displayed when you let the cursor over a watt value.

The conditions were completly different in 2001 and 2014.
2001 : one hour ITT, the day after a tough mountain stage (3 climbs including l'Alpe d'Huez, 6 hours stage)
2014 : 200km and 5 hours mountain stage.
Of course no drafting during the ITT, unlike the beginning of Chamrousse 2014 climb.
We'll publish soon a study of the wind condition during 2014 stage.

Only the best performances for each stage
Only this stage : 

  Where do these data come from ?

Frédéric Portoleau, our "Watts expert" is doing all the power calculations. He started his times and watts measurements in 1988. The details of his work are available here.
Several chronos on the website have been measured by Vetooo, a finnish cycling fan. You can follow his activity on twitter here.
The threshold definition is done by Antoine Vayer.
"Not Normal ?", the magazine, has been created by Antoine Vayer, Stéphane Huby and Frédéric Portoleau.
Finally, the website is the work of team