Currently, the version on lexaloffle is an older version, which has no boss fight. If the timing method is the moment you press continue on "Full of Mysteries and Monsters," then how do you time a version without it? I did so in a way that the timer starts the moment you see the world, but for versions that DO have that screen, they lose 3-5 seconds automatically due to loading. So why not start timing upon either first loading into the world or first input after it loads? That way, timing is simple and standard, and so you can run either version without a detriment or advantage.
Arumin's time would be re-timed to a 9:08 or 9:07. narthewall's time would be a 14:45 or 14:46. MadLaddCalliemari seems to have already fixed timing this way, so the 23:16 is probably still a 23:16.
The Picomix version of Stranded Isle will be going on its own leaderboard, alongside the Picomix versions of other games. This was inevitable, as the game changed so significantly. (There's a few bug fixes, a change to zombie behavior, widescreen, removed load times, etc.) It could never be with the