The Training Design is a premium functional fitness gym in Chelmsford and home to TD CrossFit. Only 11 miles from Braintree, 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 destination for unparalleled CrossFit training and functional fitness in the Chelmsford area. Although we’re situated in Chelmsford, we’re excited to extend our invitation to individuals in Braintree and its surroundings who are eager to embark on a transformative fitness journey.

CrossFit Training Classes For People Living in Braintree


Discover a realm of fitness excellence with our CrossFit training classes tailored for Braintree residents. The Training Design Gym stands as a pioneering hub for CrossFit Braintree enthusiasts, providing an exceptional blend of affordability, top-notch quality, and a welcoming atmosphere. Our commitment is to foster your fitness aspirations under the guidance of adept coaches who hold extensive qualifications and experience. With us, you’re not just a member; you’re a valued part of our fitness community.

Our class repertoire is designed to suit various preferences and fitness levels. Engage in invigorating CrossFit classes that challenge your limits, elevate your endurance, and build strength through dynamic workouts. Delve into the art of barbell mastery with specialised classes aimed at refining your lifting techniques. If honing your strength and conditioning is your goal, our expertly crafted classes will guide you toward exceptional results.



One to One Personal Training Braintree

Elevate your fitness journey with personalised guidance through our one-to-one personal training sessions – available for residents of Braintree and beyond. Our coaches are not only skilled professionals but also dedicated partners in progress. We understand that individual goals demand tailored approaches, and our one-to-one sessions allow us to craft a fitness plan that aligns precisely with your aspirations.

Whether you’re looking to amplify your CrossFit performance, attain specific fitness milestones, or simply seek a more private setting for your training, our personal training sessions cater to your unique needs. Experience comprehensive attention, immediate feedback, and a results-driven approach that ensures every effort you invest yields maximum returns.

With a mere 11 miles separating Braintree from our cutting-edge gym facility, achieving your fitness dreams has never been more convenient. Join The Training Design Gym to unleash your potential, redefine your limits, and sculpt a stronger, healthier you.

Embark on this journey with us – where excellence meets affordability, and camaraderie fuels progress. The Training Design Gym is more than a location; it’s a sanctuary of fitness where your aspirations take centre stage. Let’s transform together.



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.