As explained earlier in this thread, using GBP isn't viable at top level (although I've since confirmed that using GBI instead of the official GBP software resolves the issue).

As for my Mushroom Cup run, it's taken from my All Cups run at the time (as mentioned in the run comment). You can watch it here:

Now Wait a Minute, If We Have Quick Run In Mksc Is it useless or not?