Tough Mudder. CrossFit. Hyrox. Some of this century’s biggest fitness trends have one thing in common: they require feats of both strength and endurance. People used to pick a side: either you used weights and resistance machines to build your muscles or you did cardio for the sake of your heart and lungs. Now everyone wants to be a “hybrid athlete”. So is this the best way to get fit – and where do you start if you’re a complete beginner?
