By Dylan Wagenaar · 7 min read · Behind Closed Doors, Amsterdam
Every January, thousands of people in Amsterdam join a gym. By March, most of them have stopped going. The gym membership model works for a very specific type of person — and if you’ve tried it more than once without success, you might not be that person. This isn’t a criticism. It’s just data. Here’s an honest comparison to help you decide what actually fits your life.
What a Gym Membership Gives You
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Access to equipment — usually more than you’ll need or know how to use -
Flexibility — train whenever you want, however you want -
Low monthly cost — typically €30 to €60 per month in Amsterdam -
Anonymity — no one is watching or judging -
Classes — group formats like yoga, spinning, or HIIT
What a Gym Membership Doesn’t Give You
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A programme — you still need to know what to do and in what order -
Progression — without tracking, most people plateau within weeks -
Accountability — nobody notices if you don’t show up -
Feedback — your technique could be wrong for months without correction -
Nutrition guidance — the gym doesn’t care what you eat
“A gym gives you the tools. A personal trainer gives you the plan, the progression, and the reason to keep going.”
What a Personal Trainer Gives You
A qualified personal trainer does something a gym fundamentally cannot: they build a programme around you specifically. Your goals, your schedule, your movement limitations, your lifestyle. They progress the plan week by week, catch technique errors before they become injuries, track results with objective data, and — critically — they expect you to show up. That expectation alone is worth the price difference for most people.
Who Should Choose a Gym?
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You have clear training knowledge and follow a structured programme -
You have high intrinsic motivation and don’t need external accountability -
Your goals are social — you enjoy group classes or training with friends -
Budget is the primary constraint
Who Should Choose a Personal Trainer?
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You’ve tried gym memberships before and stopped going -
You’re a beginner who doesn’t know where to start -
You’ve had injuries or health concerns that need careful management -
Your time is limited and you want maximum efficiency from every session -
You want results that actually last — not just a temporary motivation spike
KEY TAKEAWAY
The most common thing we hear from new BCD clients: “I wish I’d done this sooner instead of wasting two more years at a gym I never used.”
The BCD Approach: The Best of Both
At Behind Closed Doors, we designed a model that removes the biggest barriers to personal training: price and commitment. Our trial package (€207 for 6 sessions over 3 weeks) lets you experience the full method before deciding anything. No long contract, no pressure. Just 3 weeks to feel the difference.
BEHIND CLOSED DOORS — AMSTERDAM
Try personal training for 3 weeks — no commitment.
Start with 6 sessions and an InBody scan. If it’s not for you, no hard feelings.
