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Level 3 Fitness Instructor Course

Ready to start a career in fitness? Our Level 3 Fitness Instructor Course​ gives you the skills, knowledge and qualification to become a qualified Fitness Instructor and start working in gyms / health clubs across Ireland.

Here’s what you need to know:

● 12-week Course: finishing with your qualification

● 12 live Zoom sessions: one each week, with recordings if you miss one

● 3 in-person practical workshops: one per month in Clondalkin (Dublin), for hands-on coaching

● Online study: work through remaining course content at your own pace

● No experience needed – just a passion for fitness

On completion of this qualification, you can progress onto our Level 4 Personal Trainer Course and become a qualified Personal Trainer.

Course Curriculum

Module 1: Human Movement

Learn about the skeletal and muscular systems, joints, the heart, lungs, circulation, energy systems, and biomechanics to understand how the body moves during exercise.

Module 2: Exercise Physiology

Understand how the body responds and adapts to exercise, including training principles, muscular strength and endurance, aerobic fitness, stretching, body composition, exercise intensity, warm-ups, cool-downs, and progression.

Module 3: Lifestyle Management and Modifications

Explore how physical activity, basic nutrition, stress management, and appropriate exercise adaptations can improve health, wellbeing, and long-term lifestyle habits.

Module 4: Health and Safety

Learn how to deliver safe and effective exercise sessions, modify exercises when necessary, use correct techniques, manage emergencies, and follow legal requirements and professional standards.

Module 5: Communication

Develop communication and interpersonal skills to build rapport with clients, motivate them, provide excellent customer service, and create a positive fitness experience.

Module 6: Fitness Instruction

Learn how to assess clients, design individual fitness programmes, deliver and evaluate sessions, plan progressive exercise, and instruct resistance and cardiovascular training safely and effectively.

Module 7: Practical Assessment

Apply your knowledge and skills through practical tasks involving client screening and consultation, exercise session planning, and delivering a gym-based fitness session.

Why Study with FEO

9 Bonus Courses Included

Along with your Level 3 Fitness Instructor Course - you will also receive 9 Bonus (CPD) courses

● Suspension Training

● Kettlebells

● Resistance Bands

● Bootcamp

● Nutrition

● How to Train Clients Online

● Marketing

● Training Older Adults

● Training Pregnant / Post natal Women

Note: All bonus courses above are REPs Ireland endorsed and will count towards your CPD once you’re a registered Fitness Instructor

Unmatched Support

✔ Dedicated tutor and assessor from day one

You’ll have a designated tutor to support you throughout the course, with:

• A guaranteed one business day turnaround on questions

• Clear guidance on assessments and course content

• Ongoing support to keep you confident and moving forward

✔ Ask anything — we reply within 1 business day

✔ Chat via phone, email or Zoom — whatever suits you

✔ Assessments marked within 1 business day

✔ Join our private WhatsApp group with students, mentors and industry leaders

✔ Live Zoom call every week to get feedback, ask questions or stay on track

Education from Award Winning Educators

UK

Australia

An Internationally Recognised Qualification

FEO are a REPS Ireland Approved Provider, so your qualification meets the standard Irish gyms and health clubs look for when hiring. REPS Ireland is a member of ICREPS (the International Confederation of Registers for Exercise Professionals). That means your qualification is recognised by fitness registers in other ICREPS member countries, so it can travel with you if you work abroad.

Meet Your Instructors

Aaron Finn

Aaron Finn is a performance nutritionist, endurance coach, and fitness educator with an MSc in Exercise & Nutrition Science and a BSc in Sport Science & Health.

• Experienced tutor and course content creator.

• Specialist in performance nutrition, endurance coaching, and strength & conditioning.

• Has supported athletes to achieve over 500 personal bests, alongside national and international titles.

Learn from real-world expertise and build the knowledge, skills, and confidence to take your fitness career to the next level.

Jono Petrohilos

Jono Petrohilos is a fitness educator, entrepreneur, and co-founder of Fitness Education Online, passionate about helping fitness professionals grow their knowledge and careers.

• Co-founder of Fitness Education Online, providing education and professional development for fitness professionals.

• Experienced educator and presenter specialising in fitness business and professional development.

• Passionate about helping trainers improve their skills, confidence, and career opportunities.

• Dedicated to making quality fitness education accessible and practical.

Learn from industry experience and gain the knowledge, confidence, and skills to build a successful career in fitness.

Level 3 Fitness Instructor Course

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