Using (Free)BSD runners in hosted GitLab

The CI runners I’m using at hosted GitLab all appear to be running Linux, which is consistent with the Linux based Docker images that are available.

The GitLab documentation mentions that runners also work on FreeBSD, which I’d like to extend my CI runs to (given that I recently had to add workarounds specific to Linux’s idiosyncrasies).

Is it (maybe by upgrading from the free to a paid plan, if need be) possible to select FreeBSD servers as runners without operating them myself?