There is a new funny discovery:

I was basically recreating the layout of the level "Davy Jon Cove" on Paint, so I decided to copy it from my Garfield kart 2 game and not from a showcase (Very smart)

I put Time trials, put my Big Dog AFK and...

The game ended?!

The funny thing is that the music still continues and there is no registered time in the time trials

Here is how to do it: