Posting this for transparency/clarification

Runs that are not timed using in-game time(Karting) are timed using RTA with a frame timer - https://slashinfty.github.io/yt-frame-timer/

Any external timers used are ignored(Livesplit/Wsplit)

Timing differs per category and this information can be found on the run's rule page.

Using Surgery as an example, timing starts on the frame after the loading screen goes away.

This is the loading screen:

And so, timing starts here:

Timing ends on the first frame that the victory text appears -