Mario Kart 8/Shell Cup

Shortcuts
If you have a mushroom, use it to boost through the grass after you pass the herd of cows. Near the gliding section if you land on the boost pad you can glide over he middle grass section near the end.

Shortcuts
If you have a mushroom, use it to boost through the grass. Also after the anti-gravity section there's a gliding ramp on the side.

Shortcuts
If you have a mushroom, use it to boost through the dirt underwater after the small jump, as well as near the finish line.

Shortcuts
The only shortcut on this track is you have to wait until the gliding section truck, before it is going under the highway you can glide over the highway instead.