12Rounds BOXING
The #1 boxing gym in Amsterdam, Antwerp, and Rotterdam. Where boxing is still real boxing.
From beginner to world champion. Under the guidance of the best trainers in Europe.
Experienced boxing trainers
Real boxing lessons
4.8/5 customer satisfaction
Largest boxing community in the EU
We are 12ROUNDS
At 12ROUNDS, it’s all about pure passion for boxing. We are boxers who have brought our experience from all over the world together to create professional boxing gyms in Europe. With boxing gyms in 5 countries, we have grown to become the largest and most close-knit boxing community in Europe.
12ROUNDS feels like one big family: beginners and champions train together, inspire each other, and grow together. Under the guidance of top coaches, you will develop not only as a boxer, but also as a person.
The name 12ROUNDS refers to the twelve rounds of a professional boxing match: learning to push yourself physically and mentally to the limit.

BOXING LESSONS
At 12 Rounds, we offer four real boxing classes! Beginners start with the beginners’ class or the Boxing Bag Workout.
If you already have experience, you can participate in all classes. Each training session has its own focus, from strength and fitness to technique and skills, but every class covers all the important aspects of boxing.
8-week beginners
boxing course
Learn all the basic boxing skills in 8 weeks under the guidance of experienced boxing trainers.

No experience necessary

No long contracts

Learn boxing and get fit & strong
16 training sessions of 60 minutes in 8 weeks
Now from €209 to €159

MEMBERSHIPS
Check out our memberships. Each membership allows you to participate in any type of class. Which class will you attend today?

Try-Out package
16 classes
€159 / one-time payment
Try all lessons
One-time purchase
Select your own start date

Loyalty membership
12 months
€65 / per 4 weeks
Unlimited classes
4 weeks free with code 4FREE
Select your own start date

Flex membership
3 months
€75 / per 4 weeks
Unlimited classes
No free period
Select your own start date
Would you like to get to know our club? Come by for a trial lesson!
JOIN THE COMMUNITY

#1 boxing club in Amsterdam, Antwerp & Rotterdam
12ROUNDS is part of Europe’s largest boxing community. It’s the place where hard training, camaraderie, and fun come together. From young to old, beginner to pro: we always have a workout that’s right for you. Because boxing is for everyone!

Top trainers – experienced & knowledgeable

Real boxing – for every level

Nr.1 in Europa – one family

The vibe – sweating together, laughing together


FREE TRIAL CLASS
Curious about what 12Rounds can do for you, both mentally and physically? Come by for a free trial lesson, alone or with your friends/partner.
FAQ
Here you will find answers to the most frequently asked questions. Do you have any questions? Please contact us via WhatsApp or send us an email.

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What experience, qualifications, or knowledge do I need to be able to train in your courses?
You do not need any previous experience, qualifications, or knowledge to participate in the beginner’s course. Our beginner’s course is specially designed for female beginners. To participate in the advanced course, you must have completed our beginner’s course or have at least 6 months of boxing experience.
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How intensive are the training sessions?
The techniques focus on the basics, and the endurance/fitness component is as intensive as you make it. You can take the course at your own pace.
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What should I wear and bring to a 12Rounds course?
Each location has a limited number of boxing gloves that can be borrowed free of charge, so if you don’t have your own gloves for your first class, that’s no problem.
However, we do recommend that you have your own boxing gloves, mainly for hygiene reasons.
There are no requirements for special boxing clothing, so choose something you like to wear when exercising. We recommend bringing a towel and a bottle of water.
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When can I register for classes?
You can always register up to exactly one week in advance, for example on Monday at 8 p.m. for the course starting the following Monday at 8 p.m.
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How early should I arrive for the courses?
We recommend that you arrive approximately 5-10 minutes before each course so that you have enough time to get ready.
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I am unable to attend a class (due to illness or other reasons). What will happen to my credit?
You can easily cancel your lesson via our app in the same way you booked it.
Your credit will be forfeited if you do not cancel your participation at least 6 hours in advance. In case of force majeure, please contact us and we will assess the situation on an individual basis.
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The course does not meet my expectations/I am not satisfied with it:
We are sorry to hear that, and fortunately it does not happen often. We want every participant to leave our training courses feeling satisfied. On the rare occasions when this does not happen, there has been some form of miscommunication.
That is why we ask you to explain the reason for your dissatisfaction to the trainer during the next lesson. In many cases, he or she will be able to take this into account and offer a suitable solution. If you are unable to resolve the issue with the trainer, please contact us by email or WhatsApp to discuss your case.