The science behind GRIT

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Get fit fast with the best 30 minute HIIT workout on the planet.

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Hit the 90 percent heart rate zone where real fitness change happens.

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100 percent HIIT. Every minute, every move is tested in the lab by sports scientists to guarantee true HIIT.

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GRIT is the must-have HIIT workout. Powered by science,...

LES MILLS GRIT™ is the HIIT workout that works for every member. Powered by science, coached by the best and stacked with fresh moves and music, it's one programme with three effective workout formats: Strength, Cardio and Athletic.

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What they say about Les Mills

We’ve found that GRIT is a great way to bring in people to the exercise studio who would never have considered group fitness before – and once they try it, they’re hooked!.

Anna Williamsson, Group Fitness Manager, STC.

We’re forever trying to figure out how we can squeeze more people into our studio for GRIT classes – average occupancy is well over 90%.

Anna Williamsson, Group Fitness Manager, STC.

HARNESSING HIIT - A TOOLKIT

HIIT is the biggest trend in fitness. Your toolkit includes a health check to see if your club is ready for HIIT, plus the science and club success stories behind LES MILLS GRIT.

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WORLD LEADING MARKETING

GRIT is backed with massive marketing support to excite your members. Last year alone LES MILLS GRIT hit over 8.5 million YouTube views.

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Why Les Mills

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360° TOTAL SUPPORT PACKAGE

Experienced fitness consultants and a full toolkit or resources help your business turn GRIT into your competitive edge.

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SCIENCE-BASED APPROACH

Every GRIT workout is researched, designed and rigorously tested by a global team of experts to deliver the results members demand.

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WORLD CLASS MARKETING ASSETS

Access 3000+ resources to drive demand for GRIT in your club, with direct support from our global marketing team.