Just curious, would a regular stopwatch be accepted instead of an on-screen timer, if a webcam is used? It would be easy to show the stopwatch when the time start and stop.

Timers are for the viewer only, they aren't required to submit a speedrun (unless the mods are mean).
But yes, a stopwatch would be suitable as a timer if you so desired.

Timers can be requested when it uses the load removal/game time features and else, unless you bind your clock to have this kind of feature (lul), that can't happen.
Otherwise, there is no reason to force a runner to have a timer.
Finally, you can just time with the timestamps of the start of the run and with the end of the run.

Hello, thank you for your answers. I just thought it could be a great idea maybe. Because with livesplit it is not possible to ply in full screen-mode, and it could also be nice with some variations. Also, a stopwatch can be on a table and you do not need to see the time during the whole gameplay which I think sometimes would be an advantage I guess. And despite that, easier for the watchers and easier for the moderater if the player would like to submit the run.

You can usually force a game to run in windowed mode, to allow you to access things like LiveSplit, stream chat (I sure prefer it myself). Also, if your computer has an HDMI port, you can hook it up to an HDTV via that HDMI and use your TV as a second screen, giving you more room for your various elements (and allowing comfortable use of LiveSplit even if your game does force full-screen).

@emeraldaly Yes that is not a problem for me, I have an external screen which is much bigger than my normal screen and easy to connect to my computer, but a stopwatch could otherwise be a nice thing.

@FurryWulfz Thanks, have to check that out. Could be interesting. You are right, timers are not needed, and otherwise it is possible to watch the video after the playthrough and use livesplit at the same time.