Ok yeah I'm a noob. Can you recommend anything?

I ended up losing, badly. So embarrassed, specially since it see it seemed like I was the only one in my bracket who practiced. The other 5 players were not seem like they had a strategy for MTing in certain places, and were not trying shortcuts like the RIW. And 2 of them didn't even had the game.

It seemed like they were just better with items. The only track I had a consistent big lead throughout was MC and that was because that's the one I practiced the most, my time on it is like 2:13:00. But that lead was quickly taken in the third lap with a blue shell, followed by a red shell, followed by my stupidity to hit a banana and fall off the stage.

Bowser's Castle is one stage I really have trouble with even in single player.

I need more practice.