For a different workout each time you visit, hit up Perth gym F45 Training in the CBD. One of the top destinations for HIIT (High Intensity Interval Training) and small group personal training in Perth, F45 Training will keep you in tip-top condition year-round. The classes are made up of cardio, circuit, resistance and boxing and are all 45 minutes long—duh. You’ll work hard, but the results will be worth it. Check out the website for class times and details.