Escalate classes are a combination of functional fitness and HIIT training. You will move through the grid and out onto the 30m turf and track as the class increases in intensity throughout the 45 minutes.

  • Location
    Cannon StreetElephant and CastleFarringdonVictoria
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Mark has been in the fitness industry since 2010, and specialises in bodyweight calisthenics, gymnastics and HIIT. He believes that the first step to any transformation is being aware of the choices you make, and how they effect yourself and others.


A PT and instructor with an extensive background in the fitness industry, Jamie’s  classes range from Gains to Escalate, and are based around personal development in a motivational team environment. His love for fitness is second only to his love of the Gymbox team.

James - Master Trainer

Creator of House of J, James is passionate about mixing and dancing to music and thrives on helping others reach their fitness goals. He is also Gymbox Master Trainer for classes in the Look Better Naked category, and his boundless enthusiasm make his classes a favourite amongst members.

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