The Canadian Grand Prix was a slight step into the unknown for everybody, with track temperatures considerably higher than they had been in qualifying yesterday. Canada is one of the most challenging circuits for the rear tyres due to high traction demands– particularly after it has rained previously in the weekend, because the moisture has the effect of washing away all the rubber that has been laid down before, which decreases grip levels further. Despite that, wear and degradation was under control for all the frontrunners and there was little of the graining that is a common feature of this race as well. Mercedes still seems to be suffering from high levels of degradation with Nico Rosberg being the only driver in the top 10 having to use a three-stop strategy. While two stops was clearly the way to go, Paul Di Resta drove an excellent race to show what was possible with a one-stopper, completing 56 laps on his first set of medium tyres