Rules for all tracks :      No tricking. No bouncing onto water and then over a barrier. No using Lakitu or lap tricks.
     
Peach Circuit -
Shy Guy Beach - Water and shroom slides allowed
Riverside Park - No shrooming between the bricks, but you can use the thin bridge just after the jump
Bowser Castle 1 -
Mario Circuit -
Boo Lake - Driving on the invisible platform/s is allowed. No using the bumps to considerably cut the track.
Cheese Land - No using the mice. Shrooming from the first jump and onto the bouncy square is allowed.
Bowser Castle 2 -
Luigi Circuit - Driving through the gap is allowed
Sky Garden - No using the first jump to considerably cut the track. Shrooming onto other jumps is alright as long as Lakitu isn't used.
Cheep Cheep Island - Shrooming across the water and onto the tiny bridge is allowed.
Sunset Wilds - Shrooming onto the bump to cut the last corner/s is allowed.
Snow Land -
Ribbon Road - No going to the left or right over the jumps.
Yoshi Desert - You can use the jump by the quicksand to make the jump.
Bowser Castle 3 - No taking the shortcut on the line of jumps over the lava.
Lakeside Park - You can shroom across the lake and cut off the last section of track using the bouncy square.
Broken Pier - No driving backwards, but can use the invisible platform/s
Bowser Castle 4      -
Rainbow Road - No using Lakitu, but you can bounce and shroom wherever you like.
     
Retro Mario Circuit 1 -
Retro Donut Plains 1 -
Retro Ghost Valley 1 -
Retro Bowser Castle 1 -
Retro Mario Circuit 2 - No landing in the area next to the start or using Lakitu.
Retro Choco Island 1 - You may shroom and use the bumps to cut corners.
Retro Ghost Valley 2 -
Retro Donut Plains 2 - You may shroom across the lake.
Retro Bowser Castle 2 -
Retro Mario Circuit 3 - You may shroom through the whole in the wall.
Retro Koopa Beach 1 - No lap tricks. Not sure about rules here. "No lap tricks" might cover it actually. If not we could either allow anything, tell people to make an effort to go round the track (bit vague though), or say something like "must touch or go outside of the small dot of land for each lap".
Retro Choco Island 2 - No lap tricks, but can use shrooms on the bumps to cut corners.
Retro Vanilla Lake 1 -
Retro Bowser Castle 3 -
Retro Mario Circuit 4 -
Retro Donut Plains 3 - No shrooming onto the jump to cut the track.
Retro Koopa Beach 2 -
Retro Ghost Valley 3 - Shrooming across gaps is allowed provided Lakitu isn't needed.
Retro Vanilla Lake 2 -
Retro Rainbow Road - No shrooming off the track after the third corner to reach the finish line.