Speedrunning is bonkers, yo. The Ocarina of Time Any% people have spent nearly a decade cutting the run from 20-something minutes down to 17 and now, in the last 2 weeks, another 7+ minutes of time save have been found. On a 20 year old game.
It went from ~an hour to ~30 minutes in the space of a year or so, then down to 18 minutes a couple years later and they've spent the last 5 years shaving off a minute a few frames at a time and suddenly, there's another 7+ minutes gone.