Hochschulsport for €30–60/semester covers football, yoga, climbing and much more.
Every German university runs a campus sports programme for enrolled students. For €30–60/semester: football, badminton, table tennis, yoga, rock climbing, swimming, cycling tours.
Popular courses fill within hours of registration opening each semester. Set a calendar reminder for the exact date and log in at midnight if possible.
University fitness studios usually included in Hochschulsport fee. City gyms: FitX and McFit (€20–25/month). Avoid annual contracts for the first year.
A second-hand bike (€50–150 from eBay Kleinanzeigen) is the best city transport investment. Running routes are marked in most city parks. Strava has active German communities.