Why users love this gym? Every day throughout the week we offer a different 45 minute workout. The workouts are created by the F45 Athletics and Peak Performance Department from a database of over 3,000 different exercises, so our members never get the same workout twice. What can I expect to achieve by attending this gym? The concept is simple: our studios all over the world offer a 45 minute High-Intensity, Circuit Training workout class for our studio members. We have developed 27 different 45 minute workouts, with more currently in development. Our studios offer the same class at different times throughout the day.