Michael Schumacher racing in his 300th Grand Prix this weekend . The German driver is the oldest to win a Formula One race at age 38 years and one month on Sunday. Seven-time champion says circuit is the `` number one '' in the world . A superb podium finish at the European Grand Prix has been mixed with retirements in six of 10 races this season He made the podium for Mercedes at this year 's European Grand Prix .
Michael Schumacher racing in his 300th Grand Prix this weekend . The German driver is the oldest to win a Formula One race at age 38 years and one month on Sunday. Seven-time champion says circuit is the `` number one '' in the world . He made the podium for Mercedes at this year 's European Grand Prix .