01/09/2026
Not sure what class to do?
Every month we drop a full breakdown of what’s on at PWRTHR - straight from the coaches themselves.
Swipe to see what Hyrox, ATHX, Strong & Conditioned, Burn45 and Olympic Weightlifting classes actually look like, what the programming focuses on, and which days you can get in.
New to the gym or been on the fence about a class? This one’s for you.
Comment INFO to learn more 📩
📍Unit 8 Eckersley Road, Chelmsford, Essex, CM1 1SL
We are More Than A Gym. 🔸▪️
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ATHX classes are designed to get you strong, fast and conditioned.
Proven methods by real people, getting real results. Chelmsford’s first ATHX SIM proved this.
We are Chelmsford’s ONLY ATHX affiliated facility.
These classes are for anyone from beginner to experienced.
We tailor them to you and your ability.
See our timetable pinned at the top of our profile for dates and times.
Come and get involved, be part of our amazing community 💪
Our HYROX class is designed to improve your aerobic power and capacity.
Proven methods by real people, getting real results.
These classes are for anyone from beginner to experienced.
We tailor them to you and your ability.
See our timetable pinned at the top of our profile for dates and times.
Come and get involved, be part of our amazing community 💪
Our BURN45 class is a lunchtime favourite.
45 minutes of high intensity cardio.
Designed to get you working hard and sweaty.
These classes are for anyone from beginner to experienced.
We tailor them to you and your ability.
Come and get involved, be part of our amazing community 💪
The Strong & Conditioned class is our original Powering Through programme method.
Looking to improve overall general strength and fitness? This one’s for you.
Real people getting real results. Continued progression over time.
These run every weekday at 930am, and Saturday at 930am.
These classes are for anyone from beginner to experienced.
We tailor them to you and your ability.
Come and get involved, be part of our amazing community 💪
Our Olympic Weightlifting classes are taken by Billy Baisden | Online Coach & In-Person PT - our qualified British