High-intensity interval training (HIIT) is a fitness game-changer, a transformative style of training that drives your fitness to new heights. LES MILLS GRIT™ is the ultimate HIIT workout, scientifically developed to deliver results in record time.
This proven training method features short, intense bursts of exercise followed by periods of recovery, allowing you to keep reaching your maximum training zone again and again, shocking your body each and every workout.
Getting the best from LES MILLS GRIT relies on a good base level of fitness. Choose from one of the workout plans below and we’ll help you get where you need to be – in just six weeks!