In another exciting day at the Tour de France, Team Saxo Bank's Andy Schleck rode his way to the yellow jersey in a dominating performance that included amazing support from team mates like Chris Anker Sorensen, who rode at an average of over 300 watts for 6 hours. With numbers like that for Chris, just imagine what Andy did! Will this be the hardest stage of this year's Tour? View power data and analysis of all the stages so far , sign up for a free training account from RoadCycling.com , and read on for more.