Look for a tarmac on the right side of the track about half way through. Use it to cut the corner before the long curve with a high fence on the right.
Rookie mode Britain
Use the two tarmacs on the left side of the track about half way through.
Rookie mode Canada
Drive slightly to the right on all chicanes and do not slow down on the last chicane.
Rookie mode France
Do not slow down on all the chicanes, and cut across the last corner.
Rookie mode Germany
Cut across the grass for a shortcut at the second and third corners. On the third corner, go straight on to avoid the second timed section.