As long as the timer stays running and doesn't stop or pause at all until the run is done, there shouldn't be anything wrong with that.
I'd consult with mods about pausing the timer and pausing the game and coming back later to resume the run.
Like Spyro said, you're not allowed to pause the timer under any circumstance. Part of the challenge of doing 120 stars is doing it all in one sitting. If you can't do that then the consequence is losing a ton of time.
Hey everyone! The level leaderboards have been updated! There are now only two main categories: "All Stars" and "Single Stars" and the characters are now subcategories. In order to do this, I had to manually transfer all of the Luigi runs (including obsolete runs) to the two main categories respecti