We offer strength, conditioning & mobility classes in expertly coached group training.

We know that getting fitter is better, easier to stick to & more effective when done together so our community is at the very heart of what we do.

We cater for all abilities; from people with limited experience but a desire to get fit, to those looking to add a technical & competitive element to their training with CrossFit & Hyrox.

Gymnasium is the only certified B-Corp gym in the UK and recently appeared in Men’s Health as one of the World’s Best Gyms. We are a registered CrossFit affiliate – Gymnasium CrossFit Brixton and are a registered Hyrox affiliate.

Memberships start at £140 a month, to find out what the best one is for your goals just get in touch!

To see the latest offers and get up to 50% off your first month get in touch!

Visiting the area, or want to jump into class with a friend who is an existing member? Have a look at the timetable below and send an email to coach. Drop ins cost £25.

Delta mixes constantly changing exercises, in different combinations, to build Strength & Power, Speed & Endurance, Mobility & Balance. Across the week each session has a different focus; pure cardio, pure strength & a hybrid of both.

Our specialist Hyrox classes are designed to develop the skills, conditions and challenges of a real event. Led by certified trainers, and when combined with our range of other classes & our Hyrox specific training guide, these classes will help improve your endurance, strength, agility, and speed.

A more technical fitness program that combines elements from high-intensity interval training, Olympic weightlifting, gymnastics, and more. It’s designed to improve overall fitness and physical strength through varied and challenging workouts.

Wall Walks | Gymnasium Brixton CrossFit

Our specialized Motion class is designed to enhance joint mobility, strength, & stability across your full range of motion.

This class complements our other programs & yields substantial improvements in your gymnastics, strength, & lifting abilities.


This program adapts throughout the year to the specific demands of each competition, Hyrox, ATHX & Turf.

Classes focus on the unique challenges of each events, with expert coaching & simulations to refine your strategy & skills.


Technically complex, compound exercises that produce some of the highest power outputs in all of sport.

The Olympic lifts, the snatch, clean & jerk, as well as variations such as the power snatch, power clean, power jerk, hang snatch, hang clean and more are used by athletes to develop strength & explosiveness & are transferable across all other sports.

Run Club

If you are aiming to crush a 5K, conquer a triathlon, or simply improve your running skills, join us twice a week for a dynamic mix of distance, track, hills, and drills.

Sessions cater to all levels, offering expert guidance to enhance your endurance, speed, & technique.

Open Gym

Book a studio slot to perfect a skill, catch up a missed class or do your own workout.

When coach surprises you with Member of the Month 🥹❣️🤝

Congrats @sarah_fabes you deserve it! Always showing up to class, getting involved with every event (and social 🥂) and smashing open gym sessions 🏋🏼‍♀️
@seanhydendogtrainer & @lauretteroy longtime Gymnasium members with over 750 and 500 classes 🙌🏻

Your tags will be handed out over the next few weeks! Which colour have you got? 👀
🏃‍♀️ | Gymnathlon entries are LIVE!!

🔗 | Sign up link on your Members App

📆 | 29th June 10am-5pm

🎟️ | Team Games SOLD OUT so don’t miss your chance, sign up now!

🤩 | The Gymnathlon features 8 Mini Workouts, with either Row, C2 Bike or Running between each station. The workout itself will last from anywhere between 45 Minutes to 90 Minutes. 

This event features 2 different divisions, RX and Everyday. If you train in the Crossfit Programme and are comfortable with low volume Gymnastics and Weightlifting, including Kippinng Pull Ups and Hang Power Clean 60/45 then choose RX. If you typically Scale workouts, or train in our other programmes, then choose the Everyday Division. If you are unsure, please speak to your coach.

This year we are introducing our Same Sex Pairs Division! If you wanted to compete alongside your training buddy, then this division is for you!

Both RX and Everyday, the workout remains the same, you just split the work however you please, and run together with your Team Mate!

Only 1 Athlete needs to Register for the Pairs division, all you need is your Team Mates name, DOB and email address.

Entry to all Divisions includes access to The Gymnathlon itself, a Gymnathlon Tank, and Limited Edition Merch!
Saturday Open Gym antics…
Working hard or hardly working 🤔 

Friday Olympic Lifting Class
It’s the place to be 🤙🏼
Join us on May 26th 8am or 10am for ‘Murph’ - the iconic CrossFit workout 🙌

1 mile run, 100 pull-ups, 200 push-ups, 300 squats, then another 1-mile run... Scale it, Rx it, try and beat your time from last year or complete it for the first time! After conquering Murph, we’ll continue into a motion stretch.

🍻 For those who survive, celebrate with us at Trinity Arms at 1pm for well-deserved drinks!
Team Games 2024 ☀️

An amazing effort from everyone who took part, what a team we have here 💚
🏅 The teams for the Team Games are out now!! Check your email to see who you’ve been partnered up with 👯‍♀️

Live briefing will be on the Clapham instagram at 4pm on Thursday. Don’t miss coach Tim going through the details of the workouts 🏋🏼‍♀️

👀 Keep your eyes peeled for the heatlist on the members hub!

😥 If for any reason you can no longer take part please email ASAP. If you missed entry then email Tim to be put on the waitlist 🤞🏼

📍 See you at 12pm on Saturday at Rosslyn Park Rugby Club
Olympic lifts 🤝 post WOD beers 

Saturday CrossFit Pairs ❤️❤️
🏆 Just around the corner is one of our favourite events of the year - The Team Games.

Grab your squad, because it’s game time at Rosslyn Park on May 11th! Whether you’re a duo, trio, or a full squad of four... Rally your team and register now via the Members Hub on the Gymnasium app. Hurry, entries close May 6th!

Let the games begin! 💪
@gymshark x Gymnasium Conditioning Club

What an absolute 🔥 session that was!! @_alexrennie_ @bigredolivier @sos_f1tness brought the vibe and you guys brought the heat 🌶️

One more week of conditioning club to go 👀🙌🏻
Based on 137 reviews
Holly B.
Holly B.
Amazing gym with a real community feel. Great programming, great app, great facilities but what makes this gym stand out is that they really go the extra mile to make sure everyone feels welcome from day 1.
Samantha J.
Samantha J.
Theeee best gym. Coaches, classes, ‘vibe’. It’s been tough returning to exercise after a baby but the team couldn’t have been more supportive ⭐️⭐️⭐️✨
Jordan H.
Jordan H.
I have been going to Gymnasium Brixton for nearly six months now – the only regret is not joining sooner! The people, coaches, classes and socials have all been great. There is also a good amount of choice regarding times and types of classes which brings good variety and means you can work it around your schedule and goals.
Brixton | Gymnasium CrossFit

149 Stockwell Road
Brixton, London

gym entrance | ///yoga.chef.fully

bike rack 1 | ///shock.crowned.desire

bike rack 2 | ///onion.shark.strike

Gymnasium Brixton
Based on 136 reviews