The 2012 Tour de France is through two stages, and Fabian Cancellara has been the overall leader wearing the yellow jersey so far, but on Tuesday the riders face a challenging climb through the steep hills of Orchies and Boulogne-sur-mer. Could the series of four difficult climbs in the final16 km sequence of Stage 3 upset the balance of the leaderboard and reshape the race going forward?

If you want to know more about the Tour de France, there are plenty of resources available on the web. At the official Tour de France website you can find a race map and the profile of Stage 3. TV coverage of Tuesday begins at 7 a.m. CT on NBC Sports Network. The Tour is also streaming online for those with a subscription to Tour de France Live.

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