I have found if you jump at a certain point it might be possible to jump from royal raceways hairpin to the end of the glider section however I couldn't pull it off here is the link to my reddit post with the video
There are two problems with this shortcut
1. Lakitu might pick you up
2. Will the lap count
https://www.reddit.com/r/MarioKart8Deluxe/comments/fzvdz7
There are two problems with this shortcut
1. Lakitu might pick you up
2. Will the lap count
https://www.reddit.com/r/MarioKart8Deluxe/comments/fzvdz7