Crossfit Gym & Fitness Classes Writtle

the training design

The Training Design is a brand new functional gym in Chelmsford, and home to TD CrossFit. We provide an affordable, high quality and friendly environment for our members to come and train in. Offering help, direction and motivation, from highly experienced and qualified coaches. A gym designed with you in mind.

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Welcome to The Training Design Gym – your premier destination for Crossfit training and fitness classes in Writtle and the nearby areas. Join us for affordable, high-quality workouts in a friendly environment, led by experienced coaches who provide help, direction, and motivation.

Functional Fitness Classes Writtle


Discover an exceptional functional fitness experience at The Training Design Gym, located just 5 miles away from Writtle. Our Crossfit Classes are thoughtfully designed to push your boundaries and enhance strength, agility, and endurance. Led by highly experienced and qualified coaches, these classes ensure you achieve optimal results while minimising the risk of injury.

Barbell Classes focus on refining weightlifting techniques and maximising strength gains, while our comprehensive Strength & Conditioning Classes target various muscle groups to boost overall performance.

our facilities


One to One Personal Training Writtle

Elevate your fitness journey with personalised guidance at The Training Design Gym. Our One-to-One Personal Training sessions cater to your specific needs, whether you’re a novice or an experienced athlete. Benefit from tailored workouts and individualised attention to reach your goals faster and more efficiently.

Open Gym For People Living in Writtle

For self-directed fitness enthusiasts in Writtle, our Open Gym option grants you access to our state-of-the-art facilities and equipment. Whether you’re into powerlifting, functional fitness, or simply want to stay active, our gym provides a supportive environment to pursue your fitness aspirations.

Join The Training Design Gym and become part of our thriving fitness community. Empower yourself with professional and authoritative coaching, allowing you to unleash your potential and achieve remarkable fitness transformations. Begin your fitness journey with us today!

A gym designed with you in mind.



At The Training Design, we believe in fostering a strong sense of community among our members. When you become a part of TTD, you join a network of like-minded individuals who are passionate about fitness and personal growth.

Our community is built on mutual support, encouragement, and shared achievements. Through regular events, challenges, and group workouts, you’ll have the opportunity to connect with fellow members who will inspire and motivate you to reach new heights in your fitness journey.

Discover the power of community at The Training Design, and unlock your full potential in a gym that not only helps you achieve your fitness goals but also provides a welcoming and inclusive environment.

Join us today at The Training Design, your premier destination for Crossfit training, personal training, and a vibrant fitness community. Embark on your fitness journey with us and experience the transformative power of functional training.