Simply put it in the tracks folder.
You can find the track here: http://www.racedepartment.com/downloads/magistrala.13884/
Check out my other mods as well: http://www.racedepartment.com/downloads/authors/ltcars.247335/
This is very bad quality track. Save your time and move along.
My first track and i made it with Race Track Builder.
The main road is 17 km. in each direction and with side-roads 25km. The pits and the turning point at the end of the track are fictional. The rest of the track should be close to...