Rumble Fitness is built around the coaching philosophy of Isaiah, a certified personal trainer dedicated to helping busy adults build strength, improve their health, and stay consistent. His approach focuses on creating realistic, structured training programs that fit into your life, whether you train in person in Leeds & Grenville or online anywhere in Canada.
Isaiah believes fitness should fit your life, not the other way around. Too many programs fail because they are extreme or unsustainable, which is why he designs every plan around your goals, starting point, and schedule so progress feels achievable and long lasting.
Through Rumble Fitness, Isaiah provides personalized training plans, structured workout progression, ongoing coaching, and clear accountability. The focus is not on quick fixes, but on helping you stay consistent, build strength, and achieve real results that last.
Personalized training built for you
Serving clients across the region
Train from anywhere worldwide
Professional coaching you can trust
To help people build strength, improve their health, and gain confidence through realistic, sustainable fitness programs designed to fit their lifestyle and support long term results.
To deliver personalized coaching, structured training programs, and ongoing support that help clients stay consistent, build strength, and achieve lasting results without unrealistic or extreme approaches.
We combine personalized programs, consistent support, and realistic training methods to help clients stay accountable, build strong habits, and achieve long term fitness results that truly last.
Real sessions, real coaching, and a realistic approach to building strength and staying consistent.
At Rumble Fitness, coaching is guided by three key principles that help clients stay consistent and achieve long-term results.
Every training plan is designed around your goals, current fitness level, and lifestyle. No templates and no one-size-fits-all workouts.
Rumble Fitness helps busy adults build strength, confidence, and lasting fitness through personalized coaching and structured training programs designed around real life.
Rumble Fitness is a great gym. Isaiah is an excellent coach who creates a welcoming and motivating environment. Whether it’s group training or one-on-one sessions, he provides guidance that helps you improve and stay consistent. I would definitely recommend this gym to anyone.
Isaiah has an incredible ability to adapt workouts to each individual, even in a group setting. No matter your fitness level, you feel supported and challenged at the same time. His approach makes fitness accessible, effective, and enjoyable for everyone.
I really enjoy my workouts at Rumble Fitness. The sessions push me to work harder while still being fun and motivating. The environment is welcoming, and Isaiah genuinely cares about helping you improve. Great energy, great coaching, and great results.
I’ve been attending classes at Rumble Fitness and I’m really impressed. Isaiah is a great instructor who makes workouts both fun and effective. There’s a good variety of exercises, making it suitable for all fitness levels.
Rumble Fitness provides structured coaching that helps clients stay consistent, build strength, and improve their health with training that fits real life.
Coaching designed for beginners starting their fitness journey who want guidance, structure, confidence, and sustainable training habits.
Personalized coaching for individuals struggling with consistency who need structure, support, and accountability to maintain progress.
Programs created for adults wanting to improve strength, mobility, and overall health through sustainable, long-term training.
I just started taking classes at Rumble Fitness and I’m already loving it. From the first session, I felt encouraged, supported, and motivated to push myself. Isaiah creates a positive environment and keeps every workout engaging. Highly recommend for anyone looking for a fun and energetic workout.