Good news if running's not for you - here are 5 classes that torch even more calories than 30 minutes of jogging. We stacked up our most popular classes against 30 minutes of easy jogging, where a 70kg person burns roughly 223 calories and an 84kg person burns about 266 calories.
With short sets of dynamic exercises, awesome instructors and top music so you never get bored, you might just find your new favourite class. Let's jump in!
Spinning, riding stationary bikes to energetic music in the studio, is a go-to workout for burning those calories. Varying the speed and resistance in time with the up-tempo soundtrack gets your heart pumping and all your leg muscles feeling the burn.
Plus the motivating instructors and fun group atmosphere pushes your fitness to the max.
Calories burned in 30 minutes: 391 calories (70kg person), 466 calories (84kg person) according to Harvard Medical School
Classes like Circuits bust boredom and burn calories with a mix of fast-paced exercises in every session.
There's usually 12 'stations' with 60 seconds of 'old-school' exercises before moving to the next site - think press-ups, squat thrusts and skipping.
It's a fun way of blasting all your major muscle groups and shredding calories.
Calories burned in 30 minutes: 298 calories (70kg person), 355 calories (84kg person) according to Harvard Medical School
Crunched for time?
During the 30 minute long INTENCITY classes, you'll push yourself and track your own results via a heart rate monitor fitted to your chest.
The blend of short intense intervals with slower recovery boosts your metabolism for 24 hours so you're working off calories even after your workout.
The result? A super efficient workout that boosts your metabolism well into the next day.
Calories burned in 30 minutes: 405 calories according to Myzone statistics
GRIT Cardio is an intense 30-minute session that packs a punch if you're tight on time.
Using just your own body weight, these high-intensity sessions contain explosive exercises that take your fitness to the next level.
Obliterate calories and a full body workout? Check and check.
Calories burned in 30 minutes: 310-500 calories based on Les Mills statistics
Melt fat and firm up muscles with Body Pump's 'Rep Effect', a proven formula that exhausts muscles using light weights, while performing high repetitions.
Expect these classes to sculpt your body all over with a whole menu of barbell moves: expect squats,curls and lunges.
Plus the encouraging instructors and pumping music keep you motivated all session.
Calories burned in 30 minutes: 350-540 calories based on Les Mills statistics
Now you know the top 5 calorie-crunching classes, which one will you try? Find your local timetable here.
Plus, you can level up your motivation by taking a friend - share a free pass with them here.