re: speedrunning
Comparing against your sum of best is a useful tool when you're looking at "how far off am I from the best I've ever done?" and there's useful information to be gained there, but if you're not at the point where the run is frame perfect like SMB1, that mindset is gonna hurt you lol
re: speedrunning
and yes, this was brought to you by someone getting an 18:40 in a speedrun, and saying it was "18:1x pace" :P