TEAM TRAINING, LIFE CHANGING. F45 Training is a global fitness community specializing in innovative, high-intensity group workouts that are fast, fun, and results-driven. WHAT IS F45? THE F STANDS FOR FUNCTIONAL TRAINING, A MIX OF CIRCUIT AND HIIT STYLE WORKOUTS GEARED TOWARDS EVERYDAY MOVEMENT. 45 IS THE TOTAL AMOUNT OF TIME FOR SWEAT-DRIPPING, HEART-PUMPING FUN. INNOVATION. Our functional training classes continuously evolve so virtually no two workout are ever the same! MOTIVATION. The motivation and encouragement in a group training facility creates a pulsing, upbeat environment where goals are met and exceeded. RESULTS. When it comes to weight management, good nutrition is vital. F45 gives all members access to their own free personal nutrition program to achieve health objectives with daily meal plans, tracking, and community support. Welcome to the F45 Challenge.