You’re doing things right. Your athletes still aren’t progressing the way they should.
FROM TRAINER TO
HIGH-PERFORMANCE COACH
Start coaching with a structured system used by coaches working with elite athletes.
Sweden 2026 Edition
Eleiko Sports Center · Halmstad
September 23 – October 4, 2026
Book a Free Consultation
Most coaches are not limited by effort.
They’re limited by structure.
Most Coaches Don’t Need More Random Information.
They need a system.
Your exercise selection may be correct.
Your programs may look solid.
Your clients may be working hard.
But if one client improves and another gets stuck, the problem is not always effort.
It is usually a lack of structure.
Without a clear system, every decision becomes harder:
What should you assess?
What should you change?
What should you leave alone?
Why is this client not progressing?
Strength Community classes are built to give you that structure.
You learn how to assess, correct, program and make better decisions with athletes and serious clients.
The result:
- Less guessing.
- More precision.
- Better client outcomes.
- A more valuable coaching service.
Who These Classes Are For
For coaches who want more clarity
This is for coaches who want more clarity in their work, program with precision, and make better decisions when things don’t go as planned.
For coaches who know they can operate at a higher level
For those who feel they’re doing things right but know they’re not yet at the level they could be.
For coaches who want to earn more.
Our system has allowed our students to substantially increase their rates and work fewer hours because they produce results.
This is not for collecting exercises or adding another certification.
It’s about understanding:
What to observe
Why to make a change
When to make it — and when to leave things alone
It’s for coaches who want their clients to keep progressing, not just keep training.
High Performance Coaching Seminars
What’s included in the System
These seminars are designed to give you a connected coaching system, not isolated techniques.
You will work through the key areas that shape better coaching decisions:
How These Seminars Help And What Coaching Problems They Solve
When a client stops progressing, most coaches start changing exercises, volume, intensity or methods.
Stop guesswork and make decisions with the certainty that they will bring the desired results
These seminars help you understand what to assess, what to correct, how to program, and when to adjust.
So instead of reacting randomly, you make decisions with more structure and explain your process with more confidence.
Choose the class that matches the problem you want to solve first.
Structural Assessment
Before you write the program, you need to understand the body in front of you.
Structural Assessment gives you a clear system to assess movement, flexibility, strength levels and structural imbalances before making training decisions.
You’ll learn how to evaluate upper and lower body mechanics, detect weak links, identify potential injury risks, choose the right exercise order and correct the limitations that may be holding your clients back.
The class includes online preparation, flexibility tests, strength and imbalance tests, strength and flexibility norms, interactive quizzes, access to the private group, certificate, and a 1-day live immersion in Sweden.
Result:
You stop being the coach who only gives exercises and become the professional who can explain what is happening, what needs to change, and why the plan is built that way.
Science of Program Design
Your clients do not need random workouts.
They need a program built with intention and structure, based on their specific needs and goals, with a clear reason behind every decision.
Science of Program Design teaches you how to write effective training programs by understanding how the main loading parameters work together: sets, reps, tempo, rest intervals and other key variables that determine the result your client gets.
You’ll learn how to plan training with more precision, match the program to the client’s needs, and understand how each programming decision can affect performance, body composition, recovery and long-term progress.
Result:
You move from simply choosing exercises to designing programs with structure, intention and a clearer path toward consistent results.
Neurotransmitter-Based Program Design
Not every client responds to the same type of training.
Some need intensity. Some need variation. Some burn out when the program is not built for how their nervous system actually works.
Neurotransmitter-Based Program Design teaches you how to individualize training based on each client’s unique neurotransmitter profile, dominances, and deficiencies.
You’ll learn how to assess and interpret a neurotransmitter profile, identify the main limiting factor for each person, choose the right loading parameters, know when to unload, decide how often the program should change, and select the best periodization method for different goals such as relative strength, absolute strength, hypertrophy, or strength endurance.
The class also covers nutrition and supplementation strategies designed to support specific neurotransmitter needs.
Result:
You stop forcing every client into the same system and learn how to build the program around the person in front of you.
Instant Strength & Mobility
Sometimes your client does not need more stretching, more volume or another exercise.
They need the right intervention at the right moment.
Instant Strength & Mobility teaches you practical techniques you can apply before and during the training session to improve strength and flexibility in seconds.
You’ll learn 6 techniques that can be applied to virtually every muscle group, helping the body express more strength, move better and remove unnecessary restrictions before they limit performance.
The class also covers the proper use of GuaSha to reduce excess tension, scar tissue and adhesions, supporting better mobility, pain reduction, and long-term joint and soft tissue health.
Result:
You gain tools your clients can feel immediately, creating visible changes during the session and helping them experience the value of your coaching in their own body.
Metabolic Balance
Some clients train hard and still struggle to lose fat, recover properly, or achieve the results they want.
Metabolic Balance teaches you how hormones determine where body fat is stored, and how to properly interpret the result of measuring 14 skin folds in the body.
It also helps you to understand the relationship among metabolism, recovery, body composition, hormones, gut health, and long-term performance, so you can make better decisions beyond sets and reps.
Result:
You stop looking only at training output and start understanding why a client’s metabolic profile may have them stuck, inflamed, tired, gaining fat, losing performance, or failing to recover.
Advanced Metabolic Balance
Some clients seem to be doing everything right, but still do not get the results they should.
Advanced Metabolic Balance teaches you how to use blood work analysis to uncover what may be limiting performance, recovery, body composition, and overall health.
You’ll learn how to interpret key physiological markers, understand what they reveal about your client’s internal health, and use that information to make more informed decisions around training, nutrition, supplementation, and recovery.
Led by Dr. Sonja Pettersen, this class helps you understand the client or athlete at a deeper physiological level, so your recommendations are based on objective data rather than assumptions.
Result:
You develop a more precise and individualized coaching approach, with a framework to identify potential issues and adjust the plan with more confidence.
Strength Community Elite Coach Development System
This is not a collection of random classes.
It is a connected education system designed to improve how you assess, correct, program and make decisions with athletes and serious clients.
Each class focuses on a specific part of the coaching process.
Together, they create a clearer system for assessment, correction, program design, metabolic strategy and client decision-making.
What These Seminars Can Change In Your Coaching Career
You see what is really limiting progress
Instead of guessing, you identify what may be holding your athletes and clients back.
Your programs become clearer
You build with more structure, so you spend less time fixing problems later.
Your decisions become easier to explain
You understand why you are changing something.
Clients trust your process more
They see a clearer reason behind the work you are doing.
Your coaching service becomes more valuable
Better decisions create better results, stronger recognition and higher income potential.
→ Better decisions
→ better results
→ greater recognition
→ higher income
Learn from coaches trusted by elite and Olympic athletes.
Different perspectives, same goal:
help you think clearer and make better decisions as a coach.
Carlos Castro, founder of Strength Community.
Over the years, he has worked with athletes who have reached the podium at World Championships, Pan-American Games, and national competitions across multiple sports.
In these seminars, Carlos will show you the systems, assessments, and decisions he uses in high-performance environments in a way you can apply immediately with your own athletes and clients.
Dr. Sonja Pettersen
Dr. Sonja works with NFL and MLB athletes.
She’ll show you how to understand physiology at a level most coaches never reach — and how to turn that into clear, precise decisions in training, nutrition, and recovery.
What Coaches Say After Taking The Seminars
Real feedback from coaches who attended the seminars
Choose Your Coaching Path
Start with one class, choose a specialization, or take the complete system.
High-Performance Coaching System
$5,025
MOST COACHES CHOOSE THIS
Best if you want the full coaching system
Sep. 23 - Oct. 04
Includes all classes:
• Structural Assessment
• Science of Program Design
• Neurotransmitter Based Program Design
• Instant Strength and Mobility
• Metabolic Balance
• Advanced Metabolic Balance
(SAVE $1,675)
Advanced Training System
$3,995
Best if you want
the most solid training knowledge
Sep. 24-30
Includes:
- Structural Assessment
- Science of Program Design
- Neurotransmitter-Based Program Design
- Instant Strength & Mobility
(Save $705)
Metabolic Performance System
$1,900
Best if you want to produce outstanding fat loss and health results
Oct. 1-4
Includes:
- Metabolic Balance
- Advanced Metabolic Balance
(Save $100)
Flexible Option:
SWEDEN 2026 EDITION
Limited In-Person Coaching Seminar In Sweden
Eleiko Sports Center
Halmstad, Sweden
20
COACHES
Not for marketing. For learning.
ONE INTEGRATED METHOD
Assessment, program design, and metabolic performance
The in-person format allows you to observe, practice, ask questions, and discuss real-world cases.
Once spots are filled, registration closes.
Bonus: Anatomy for Trainers
Enroll in any class and get Anatomy for Trainers free
Anatomy is the foundation of a successful coaching career. Without it, every assessment, exercise choice, and cue is guesswork.
When you enroll in any Sweden 2026 class or system, you’ll get free access to my online course Anatomy for Trainers.
Inside you’ll find:
- Detailed muscular anatomy by region and function
- Nerve–muscle connections and practical implications
- Exercise and dynamic anatomy demonstrations
- Self-paced modules, quizzes, and repeatable lessons
This bonus alone can completely change the way you understand and evaluate the body.
When combined with the in-person seminars, it gives you a stronger foundation than most coaches in your area.
FAQ
Not Sure Which Class Is Right For You?
Book a Free Consultation, and we’ll help you choose the best option based on your level, your clients and your professional goals.