Everything is possible if you spend enough effort, but this seems not so important. Speedrunners don't usually use save, and you can use the normal auto demos (Settings -> General) and stitch together the recordings for a video.
1
16:07
I consider it as a known limitation rather than as a bug
uhm. why do you think racinggame is better than jumpn run? xD I looked in the gaming games category and its (as expected) only cars or other vehicles driving. I think no one would search a game like tw in this category
20:26
is there maybe a category platformer or smth like this? or 2d whatever
What started as a simple mod is now a big cooperative racing experience! Choose from hundreds of available maps, race your way to the finish line and...