Tracks Blender to RACE 07?

[Saliiim]

I'm in the process of making a circuit of my local area for a bit of a laugh, and so that I can speed there without the police caring.
However, I've run into a problem.
I have no modding experience beyond retexturing some cars in Assetto Corsa.

I have a mesh of the track in blender, and I want that mesh to be a track in RACE 07, where do I begin?

Thanks for your help.