OpenMapTiles v3.14 does not include the tracktype
tag. This gist shows how to add it with planetiler.
Fork OpenMapTiles, create a tracktype
branch, add the following lines (see https://github.com/wipfli/openmaptiles/commit/b6f74e70e66a0007a21b94e0eea5c3505f91f7f6):