Junior Gym and Fitness in Cardiff

Looking for a way to keep your kids active? Our Better gyms and leisure centres across Cardiff offer junior memberships for under-18s, giving them access to gyms, pools and a range of fitness opportunities. There are plenty of fun ways for young people to get fit, with junior gym sessions and fitness classes available throughout the city. Learn more about junior gym memberships in Cardiff and discover what else is on offer below.

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Fitness for kids in Cardiff

We’re here to inspire a passion for fitness in the next generation and believe it’s never too early to start. That’s why we offer gym memberships for juniors across our Cardiff centres, including Western, Eastern, Llanishen, and Maindy.

With inclusive access to gyms and leisure facilities, and dedicated Junior Gym session, you’ll be able to find a location that’s convenient for you and your family.

As well as access to gyms, swimming pools and fitness facilities in Cardiff, junior members can also attend fitness classes designed for under 18s.

You’ll also find flexible options for families looking to stay active together, including Adult and Junior gym session. However your family likes to keep fit and healthy, discover more at your local Better gym in Cardiff.

A young teenage boy working out on a treadmill in the gym

Gym membership for juniors in Cardiff

A teenage girl working out in the gym using gym equipment

With a Better Junior Gym membership, young people aged 11–17 can work out in the gym and attend fitness classes during dedicated time slots throughout the week.

All juniors must first complete a gym induction run by one of our qualified instructors, making sure they can use the equipment safely and confidently. Some equipment restrictions apply for under-18s but our staff will explain everything and make sure everyone's comfortable using the equipment.

While our monthly Junior Gym Membership is most popular, we also offer junior Pay as You Go and Flex membership packages, giving families more choice when it comes to managing fitness routines.

Included with a junior gym membership

A teenage girl stretching in an exercise class

Fitness Classes

At selected Cardiff centres, you’ll find a range of junior fitness classes designed to keep young people active, healthy and motivated. From high-energy cardio workouts to circuit-based training, classes are fun, engaging and led by qualified instructors.

View the timetable for your local centre to check junior fitness class availability, or explore more fitness classes in Cardiff.

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A teenage boy and an adult working out in the gym together

Adult and Junior Gym

Our Adult and Junior gym sessions are a great way for families to stay active together. To encourage younger members, pre-paid adult members can bring a junior aged 11–17 with them.

Adults must supervise juniors during the session. The junior will also need a membership to access the gym at these times.

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Two teenage boys working out the gym together

Gym Inductions

To ensure safety, all junior members are required to complete a Junior Gym Induction. Led by a qualified fitness instructor, this induction covers how to use gym equipment correctly and how to train effectively.

This must be booked prior to attending a first junior gym session.

Book an induction

Cardiff Junior Gym FAQs

These FAQs answer queries about junior membership considerations in Cardiff. For general information about Better’s junior fitness memberships in general, please view the Junior Gym UK page.

What hours can under 18s access the gym?

Young people aged 11–17 can use the gym facilities during dedicated timetabled windows. Times vary between centres, so it’s best to check your local Cardiff gym for up-to-date information.

What equipment restrictions are there for juniors at Cardiff gyms?

After completing their induction, junior gym members can use a range of cardio and resistance machines such as treadmills, cross-trainers, exercise bikes and more. Juniors aged 11–15 are not permitted to use free weights. These are available to those aged 16–17 only.

What fitness classes are offered for young people in Cardiff?

Under-18s can attend selected classes during junior gym times. These may include circuits, strength-based and cardio-focused workouts, as well as mind and body sessions tailored for younger participants.

Check your local centre timetable or explore more about exercise classes in Cardiff.

My child is under 11, what membership options are available?

Currently, we don’t offer individual memberships for children under 11. Some family activities are included with an adult Better membership (e.g. swimming sessions), where children must be supervised by an adult. Get in touch with your local centre to find out more.