I'm trying to set up the leaderboards for Table Top Racing: World Tour, a racing game which is essentially what would happen if Mario Kart and Micro Machines hooked up and had a kid.

I don't see full-game categories like Any% or 100% being a thing, at least not very soon anyway, so the main focus for the game will be on Individual Levels. The problem I'm having is that there are a lot of different combinations of things which can be raced.

To start, there are 5 different tracks (and some more including DLC). Each of these tracks have 4 different routes. On top of that, there are 3 different tiers of car and 6 different timed race types.

These 5 tracks with their 4 routes are spread across 6 different championship tiers which are initially locked to a specific car tier, but are eventually unlocked to be playable by any car tier. There are also "Special Events" which sit outside of these championship tiers which can include the same track/route combination but with a different number of laps.

Finally, the cars can be customised to use different wheels. One of these is the "BOING wheel" which allows the car to jump. Jumping opens up ridiculous shortcuts, so I think ideally this should also be allowed to be categorised.

With all things considered, the following tree view can be made:

Track 1 -> Route 1 --> Race Type 1 ---> n Laps ----> Car Type 1 -----> Normal Wheels -----> BOING Wheels ----> Car Type 2 -----> Normal Wheels ----> BOING Wheels ----> Car Type 3 -----> Normal Wheels -----> BOING Wheels ---> n2 Laps ----> {As above} --> Race Type 2 ---> n Laps ----> { As above } -> Route 2 --> Race Type 2 ---> n Laps ----> { As above } Track 2 ... etc.

How can I apply something like this on Speedrun.com?

use sub categories and put them in the main board

What do you mean by "put them in the main board"?

full game category i mean.

you can make the categories "Track 1", have a sub category "Race Type" then add another sub category "Car Type"