https://www.speedrun.com/mkw/run/yvgqww8y

Like for example I want to know if this guy played on Wii if he'd beaten me.

Is there a way, or only for 32 track runs, or not at all

There are multiple ways to answer your question in this spreadsheet: https://docs.google.com/spreadsheets/d/1Ca6Hl5ra8b8rX3KSsgQKXDgenjlEpOOGvHBq6z1bjec/edit?usp=sharing

You can either look at the median load time difference, or just directly compare your IGTs.

do i look at cup categories stats, wii non-play 2, or wiiu non-play 2? if from cup cats...... which spefifc cell on the spreadsheet shows me how much time to subtract off maxaura's WR co i can compare it as if it were on wii? honstly, iv tried my best, but im so lost :S

also, hopefully none of the stats used were from people lying about times damn thats fuck up the medians

Go to "Cup Categories Stats". There's a column for the median difference between Wii and Wii U. Maxaura's Mushroom No Skips/No Items WR would likely be a 8:01-8:02 if done on Wii.

The runs with fast load times are not used for the median. They have been moved to the "Deleted Runs" tab.