For Renchen, Germany, venues are recorded one entry at a time. Renchen is a small Ortenau town between the Rhine plain and the northern Black Forest foothills. Entries cover sports centres, along with other places to exercise. Each entry has a profile with an address and the details on record. To group venues by type of place, the Places overview does that; the Renchen overview offers background.
Profiles for the places in Renchen, each with its own address
The places listed for Renchen, Germany, each come with a profile of their own. Specifics are kept on each place's profile, not here.
One way in to the venues of Renchen: by place type
The Places overview for Renchen shows how the listed places are grouped and links on to each venue's profile.
Cities in Germany other than Renchen
If Renchen does not have what you are looking for, other cities in Germany have their own listed gyms and exercise facilities. Every city opens its own collection of venues.