Barry’s is the OG when it comes to treadmill and weights interval training. Loved by celebs and fitness fanatics from LA to London, you can burn up to 1000 calories in a class (believe us, they make you work HARD) in one of their signature red-tinted studios. Each day has a different focus, so you can target specific muscle groups or go in for a full body workout.
Bayswater, Belgravia, Bloomsbury, City of London
It’s absolutely huge in Australia and now F45 is a craze over here too because those who go swear by it. It’s a pretty simple concept; there are 31 varieties of 45-minute, high-intensity circuit workouts (mainly cardio or resistance based) with a different class on offer every day. The workouts are intense but effective, and there’s enough variation to keep you interested.
Brixton, Stratford, Haggerston, Islington, City of London, West End, London Bridge, Camden, Peckham, Paddington, Vauxhall
It’s very much does-what-it-says-on-the-tin with Sweat IT, as you will most definitely be sweating after one of their HIIT workouts. They combine treadmill runs and weights on their specialist rig, with sessions designed to target particular muscle groups. The Engine Room class is all about the lower body, Pillar Killer works your core, and Heart & Hustle focuses on the chest and back.