classes
brighton
Calisthenics
Calisthenics or 'gymnastics on bars' is the latest way to get your blood pumping! Don't miss your chance to learn the basics, develop core strength, and defy gravity with many different skills and techniques to keep your heart rate in the Fat Burning Zone.
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Strength
Bad day? Flip tyres, smash sledgehammers, and lift, carry, push and pull heavy kit in this exhilaratingly unpredictable class. If you're looking for a heavy workout with a difference then put your strength to the test!
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HIIT Box
HIIT training vs Boxing. In this class, we mix things up and keep you busy with lots of variety! Expect fast paced combos, bag work and an assortment of bodyweight exercises. This combination, packed in to a 45 minute session will leave you feeling invigorated and ensures you’re burning fat long after the class is finished.
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Boxing
A class that encompasses the technical aspects of boxing with core strengthening exercises and functional movements. Learn boxing skills such as correct form in throwing jabs, hooks and uppercuts, while working at an intense pace. Class is taught with a warm up, Session, cool down and core work.
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Relentless
Underground Gym is shaking up the class scene with a new series of Group X Sessions and the 1st one to drop is 'Relentless'! 'Relentless' is based on 3 minute blocks broken down into 6 x 30 seconds targeting the whole body using Spin, Kettlebells and body weight as the main culprits! Join us as we Push, Pull, Squat, Jump, Ride and Swing! Now is the TIME to get RELENTLESS with your TRAINING! (All sessions are scalable so anyone can give these sessions a run for it's money....)
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MetCon Fit
Get ready for barbells, medicine balls, gymnastics and bodyweight movements. This fun, healthy competition will challenge your heart, lungs and muscles whilst getting you in peak physical condition.
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Hyrox Training
HYROX combines both running & functional workout stations, where participants run 1km, followed by 1 functional workout station, repeated eight times. Each race is hosted indoors in expansive exhibition halls, creating an immersive and electrifying race, where your spectators can support you from the very beginning to the very end. This race format remains consistent across the globe, enabling global leaderboards & a cumulative World Championships at the end of each race season. Accommodating both professional athletes, and everyday fitness enthusiasts looking to take their training to the next level, HYROX is the sport for everybody.
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JOIN THE UNDERGROUND
WHERE RESULTS AREN’T JUST PROMISED—THEY’RE INEVITABLE
Step into the top-rated realm of Underground Gym, where we’re all about real gains, real guidance, and real grit. Our lineup spans from strength building to a vibrant fitness community. Become a member and start seeing the results that only the Underground can deliver.
Ready to transform?