Mario Kart Wii/Star Cup

Koopa Cape
There are three jumps at the beginning for a boost, also a few goombas here and there which you should avoid. Stay to the water as much as you can in the middle. When you are in the tube avoid the lighting and stay on the water. At the very end avoid the water on the inner side unless you have a golden mushroom and use it for that section.

Maple Treeway
In between a root and the fence there is a small spot that you can enter for a lead.