Free functional fitness tools and training guides — WOD generator, one-rep max calculator, athlete macro calculator, and functional fitness advice.
Free calculators and generators for functional fitness athletes.
Practical, no-nonsense advice for functional fitness.
Fortress Training is a guide to functional fitness and conditioning for people who want to get genuinely stronger, fitter, and more capable — not just chase a trend. Programmes that blend strength, gymnastics, and metabolic conditioning can be transformative, but they can also lead to burnout or injury when they are approached without structure or understanding. Our aim is to give you the reasoning behind the training, so you can build a routine that improves your performance while respecting your recovery and your long-term health.
Our content spans the fundamentals of programming, the movements that form the backbone of functional training, how to scale workouts to your current ability, and how to think about intensity, rest, and progression over weeks and months rather than single sessions. We focus on the principles that carry across any gym or garage setup, so that whether you train with a barbell, kettlebells, or bodyweight alone, you understand why a session is built the way it is.
We base our guidance on well-established principles of exercise science and coaching practice, and we are honest about the limits of general advice. Functional fitness is demanding, and the right load or progression for one person can be wrong for another. We repeatedly stress the importance of proper technique, sensible scaling, and adequate recovery, and we encourage anyone new to intense training, or returning after injury or illness, to consult a qualified coach or medical professional before diving in.
Fortress Training is written for motivated beginners and experienced athletes alike — anyone who wants to understand their training rather than blindly follow it. If you have ever finished a workout unsure whether it was actually helping you improve, or wanted to design a week of training that balances hard efforts with real recovery, our guides are built to help. Use them to sharpen your approach, protect yourself from avoidable setbacks, and keep making progress for the long haul.