Semi-Private Training: Personal Attention, Shared Success
Achieve Your Fitness Goals for Less Than Half the Price of Personal Training
Our Semi-Private Training Program gives you all the benefits of personal training—expert guidance, motivation, and results—at a fraction of the cost. Train with a small group of like-minded individuals and get stronger together.
Is This Program for You?
This program is perfect if you:
- Want to lose 4-6 kg sustainably.
- Are looking to build muscle but feel stuck in the gym.
- Need an extra push to improve your nutrition.
Want to connect with others and join a supportive fitness community.
What’s Included?
1. 1-on-1 360-Degree Intake
We start with a personal assessment to understand your goals, lifestyle, and fitness level, creating a custom roadmap to success.
2. Train in a 4-on-1 Setting
Work with a Personal Trainer in a small group of four, ensuring you receive individual attention while sharing the journey with others.
3. Coaching Classes
Join group coaching sessions focused on goal setting and practical nutrition advice, helping you stay on track and motivated.
4. Maximum Hypertrophy Training
Use our proven method to build muscle and burn fat, designed for effective results without wasting time.
Why Semi-Private Training Works
Affordable Yet Effective
Get the guidance of a personal trainer for less than half the price of one-on-one sessions.
Small Group Setting
Enjoy the motivation of training with others while still getting personalized attention.
Proven Results
Our methods are designed to help you lose fat, build muscle, and improve your overall fitness.
Belong to a Community
Make friends, share wins, and join a group of people who support your goals.
Tailored Guidance at Every Step
From your initial intake to every training session, your coach ensures you’re on the path to success.
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Motivation and Accountability
Train with others who share your drive and keep each other inspired.
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Get Started Today
Don’t wait to achieve the results you deserve. Book your free consultation and see how our Semi-Private Training Program can help you reach your fitness goals for less.
ONE – Where Community Meets Results.
Our Happy Clients
"Working with Fabian is great! He is more than a personal trainer, he provides you with support and guidelines on how to exercise, eat accordingly, change your habits to reach your goal, while being a great motivator. He is eager to see how your body and mind react to the transformation and always explain you in details the reasons behind all steps you take together. Fabian is also very attentive to your emotional balance and suggests relaxing exercises and techniques. All clients are different and Fabian come up with a tailored plan for anyone."
Antonella
"I’ve been training with One from the beginning and it has been nothing less than a positive transformative experience. Their secret sauce? Not focus on the physics aspects of the individual but a holistic approach that includes everything that affects one’s life: work, sleep, stress etc. The result: a deeper more meaningful relationship that transcends the traditional 2-3 hour relationship you might have with your PT."
Engin
"I have a new relationship with my body’s since joining ONE. I learnt how to make better choices eating, drinking and what impact those choices have on my physical and mental well-being. The training plan is tailored to me. Every move makes max effect on my body. I see the difference every day as I look in the mirror. More toned, stronger, 8kg less body weight, more muscle, less fat."
Alexis
"Glenn is a very dedicated personal trainers who want the best for their clients and always look at you and your situation in a holistic way. I train with Glenn since 3 years through different life stages and no matter where I am at Glenn always tries to find the best solution for training, nutrition and mindset. I can highly recommend ONE and I'm proud to be part of the community."
Sandra
"I highly recommend Glenn at ONE for his full programme transformations. I've never done weight training before, I exercise a lot, however Glenn has really shown me how this type of exercise is so beneficial for your body shape. Alongside the nutrition advise and coaching I've now finally lost most of the weight gained during pregnancy. Highly highly recommended."
Katie
"If you want a gym that will motivate you and help you get to your goals, go to One Institute . 3 months into the program, my transformation is real and i am in the best shape of my life... Yes you do need to put the work in, but the guidance, tools and vision you receive from One will help you get there."
Ayoub
Kickstart your new fitter and healthier lifestyle today
Request all start information and get started with Semi-Private Training
Everything from Personal Training to nutrition at ONE - Human Performance Institute
With our versatile offering, we have been the fitness, health and relaxation experts in Amsterdam for over 8 years. Our comprehensive offer includes the following services: Personal training, Small group training, Corporate Wellness and more. With our Free Intake and Membership Test, anyone can get to know us for free. In addition, our experienced team is always ready to answer any questions you may have. There are several options for new members. We are convinced that we can also help you achieve your individual goals.
