Bringing World Class Fitness Experience to 240+ Gyms Nationwide
In a competitive fitness market, The Gym Group knew staying ahead meant delivering more than just great kit and competitive prices. It meant elevating the member experience—with best-in-class group training from brands people actually want to train with. That’s why they partnered with ONE FIIT, creators of the UK’s #1-rated fitness app, to roll out HYROX workouts powered by the HYROX 365 Performance Hub across 120 of their 240+ UK gym locations. Together, we’re helping them acquire, engage, and retain members and trainers through premium, branded experiences at scale and at low cost.
Watch the case study
“The HYROX Performance Hub has changed the way we deliver our training. It helped us accelerate rollout, train our coaches, and build a strong member community.”
Jenni Tardiff, National Group Exercise Manager, The Gym Group
Delivering World-Class Programming, Without the Overhead
What started as a single location pilot is now a network-wide success story. The HYROX 365 Performance Hub, co-developed by ONE FIIT and HYROX, offers everything The Gym Group’s trainers need to lead high-quality classes from anywhere, with any equipment setup.

8 structured workouts every week.

Contains programming notes and coaching cues from HYROX's head trainer.

Contains clear instructions and countdown timers for each section.

Tailor sessions to kit availability at each gym.

Every HYROX movement, filmed at ONE FIIT’s London studio.

Translated into 9 languages for accessibility across locations and staff.

Project classes directly to a screen with no manual input.
Solution
This solution gives gyms the power to run high-quality, high-impact classes without the cost or complexity of in-house programming or hiring specialist staff.
“It’s been a game-changer. My classes are more varied and more engaging. The kit filter makes it super simple to tailor each session to who’s in front of me.”
Chris, General Manager, The Gym Group Chichester
More Than Workouts.
Since adopting the HYROX 365 Performance Hub Members are coming back for more building class consistency and strong gym-floor communities. Trainers feel empowered, with tools to coach confidently and expand their skills. Events drive retention, with members returning after taking part in HYROX races. And it’s all cost-effective, simple to deploy, and powered by brands people recognise HYROX, FIIT, Men’s Health, Women’s Health, and more.
“We’re seeing members do multiple HYROX events. It’s improving their confidence, performance, and loyalty to the gym.”
Chris, General Manager, The Gym Group Chichester
The New Standard for Group Training
The Gym Group’s success proves that modern group fitness doesn’t require massive headcount, custom tech, or boutique budgets. With ONE FIIT, you can Bring top-tier fitness brands into your gyms. Deploy high-value, low-cost training in days, not months. Drive member and trainer retention with world-class experiences. Create branded or bespoke concepts for your audience. Do it all with plug-and-play simplicity.
ONE FIIT is the operating system for gyms of the future.
Let’s get your members moving with brands they love, and workouts they’ll keep coming back for.

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