I think 1UP’s speedrun also fun. What do you think about?

Oh....English is so hard....

It's just a fun easter egg / achievement. The "points" system given by strawberries isn't taken seriously by the developers or anybody really.

however the short time you can achieve it in together with the difficulty it poses makes it an interesting category to run to train your skills.

At that point you might as well run Any%.

I think the lack of popularity of All A-Sides already shows this would be resigned to the same fate.

Do you mean getting a 1up from the start of the game, or getting a 1up in every level? a 1up in every level actually seems like an interesting idea though.

getting a 1up in every level

gl on core!

IIRC it would be possible to get a 1up in core if you had the golden... But there's an unavoidable Badeline that eats exactly 1 of your 6 strawberries, leaving you with one too few to 1up.

No