Uncompromisingly
good training.
Stronghold Gym offers full-service fitness coaching that is hard to find elsewhere: from beginner to athlete, from young to old. A fortress for your fitness.
Most gyms sell access. We take responsibility.
We build our services around what makes the best possible training happen, not around what is convenient, normal, or easy to sell.
Watch how that becomes training that is evidence-based, individually coached, and uncompromisingly executed.
Experts only
At Stronghold you train with experts, the right equipment, and good company.
22 reviews
Felix Schons
Sport scientist with training in performance diagnostics, sport therapy, and functional training.
- German Sport University Cologne
- Certified performance diagnostics
- Functional & kettlebell trainer
Dr. med. Maximilian Schons
Physician and medical advisor for health-oriented training, prevention, and responsible programming.
- Clinical research experience
- Medical training advice
- Health-oriented training
Three pillars, one result
Managed Fitness means we take responsibility for your fitness. No compromises: from diagnostics to the coached training session.
Fitness Profiling
Sport-science diagnostics for strength, endurance, mobility, body composition, and training zones.
Learn moreManaged Fitness
The best possible fitness coaching: plans, fixed appointments, check-ins, tracking, and small-group coaching.
Learn moreTraining environment
Professional equipment, a focused studio, and a space designed around serious coaching.
See facilitiesUncompromisingly good training · Evidence-based · Individually coached
Find your offer
Wherever you are right now, we meet you there. Find the offer that fits your goals.
For beginners
The perfect start to training, including after a longer break or injury.
For beginners
For athletes
Performance-oriented training at a high level, structured around measurable progress.
For athletes
Seniors
Targeted training for the older generation: strength, mobility, balance, and confidence.
For seniorsStart with a trial session
No experience required. We meet you where you are. Bring comfortable sportswear, a towel, and about 90 minutes.
What happens in the trial session?
We do a short check of your goals and health background, warm up together, cover technique basics, and guide you through an adapted workout. At the end we answer your questions and show you the next steps.
What should I bring?
Sportswear, clean indoor shoes, a towel, and something to drink. Arrive 5-10 minutes early so we can start on time.
Is it really free?
Yes. The trial session is free and completely non-binding. Afterwards you can decide calmly whether you want to continue.
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