Are you from Biggin Hill or surrounding areas and want to feel Fitter, Stronger and make 2026 your Year to Change?
We know that starting (or restarting) your fitness journey can feel a bit daunting.
We are here to make it Simple, Enjoyable and Effective!​ ​
Please note: Due to very high demand we have very limited spaces!
What makes us
Biggin Hills #1
✅ Fun & Varied Workouts – No two sessions are the same. Expect a mix of strength training, cardio, circuits, and bodyweight exercises to keep you motivated.
✅ All Fitness Levels Welcome – Whether you’re a beginner or already active, exercises are tailored so you can work at your own pace.
✅ No Mud, No Mess – Our Bootcamp Sessions are held on a 4G all-weather surface, so you can leave the mud behind and focus on your training.
✅ Expert Coaching – All 1:1 and group sessions are led by a qualified personal trainer dedicated to helping you push past limits safely and effectively.
✅ Community Spirit – Train with like-minded people in a positive, encouraging environment.
What our members say ...
"At 59, I feel fitter and stronger than ever - I can highly recommend Jack and Cronk Fitness to anyone ready to start their journey to a better self."
Paul
"My lifestyle & physical & mental health have improved beyond my expectation in the time I have been training with Jack. - Through Jack we are also now connected to a wider Personal Training Community where we can share our experiences & read Jack's weekly blogs, exercise & healthy diet & lifestyle tips"​
Paula
I lost over 25lbs in 6 weeks by making small changes that I could stick to - I tried every diet and workout but after training with Jack I now understand how to lose weight properly.
Gemma
