If enough people run and want to submit a time for them they will be considered for inclusion via vote. It usually takes at least 2 different submissions to open a vote for the proposed category if I'm not mistaken.
Hop into https://discord.gg/AntiElitz if you want to offer up a submission or link it here so others may be inspired!
Be the change you want to see :)
I haven't even finished the main game yet, so I'd like to do that myself before looking at what speedrun techniques people use
We're introducing a new speedrun category: "All Peaceful Achievements". For now, this category will be added to the category extensions, with the possibility of moving it to the main leaderboards if community interest grows.
Recently, a Factorio update (2.0.45) now disables some ach