How do you perform the mushroom gorge ultra shortcut in mkw?

Step 1: At the beginning of the race, immediately start drifting. This will build up speed and allow you to stay in the air for longer.

Step 2: As you approach the first turn, use your mushroom to boost yourself into the air. Press and hold the "L" button to use your mushroom, and then tap the "A" button to jump.

Step 3: As you jump, angle yourself towards the left side of the track. This will help you to land in the shortcut.

Step 4: As you land, immediately start drifting again. This will allow you to maintain your speed and stay on the shortcut.

Step 5: Continue to drift until you reach the end of the shortcut. Be careful not to fall off the edge, as this will cost you time.

If you execute this shortcut correctly, you will save a significant amount of time and gain an advantage over your opponents.