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At Gymnasium, our goal is simple – to help you improve your health and fitness while having fun. We believe that expert coaching, intelligent programming, and a sense of community are the key ingredients to achieving your fitness goals.

We’re not your average gym – we’re all about high-performance group training that’s tailored to suit everyone, no matter what your fitness level is. We offer a wide variety of 60-minute programs that focus on cardio, strength, functional movements, and stability, and we run over 100 classes every week to keep things fresh and exciting.

We’re a unique community of like-minded individuals who support each other every step of the way. We believe that working out together is not only more effective, but it’s also more enjoyable. That’s why we love hosting team workouts, events, and social gatherings like pub nights, cycle rides, and even dog walks!

We’re also committed to making a positive impact on our environment, treating our staff well, and helping our broader community. We’re proud to be the only gym in the UK certified as a B-Corp, which means we use our business as a force for good.

At Gymnasium, we believe that fitness should be fun, challenging, and inclusive. We’re excited to welcome you to our community and help you achieve your fitness goals!

All our gyms are registered CrossFit affiliates. Grab a free trial, we would love to see you.

 

The foundation of our programming is based around our 3 pillars of fitness principle.

Over the course of our training cycles and across every class, we aim to develop our athletes in every pillar to deliver well balanced fitness and injury resistance both inside and outside the gym.

Strength & Power | Speed & Endurance | Mobility & Balance

Strength & Power

Including strength and power work in your training is crucial to achieving many fitness goals. It has a huge impact on building muscle, losing fat, and improving your ability to train for longer. Our CrossFit, Stronger, Delta ∆,  and Athletica classes include a variation of strength and power movements every week to keep your training balanced.

Speed & Endurance

Our classes are designed to develop our athletes ability through varied lengths of workouts. Short hard sprints in our Interval Weight Training programme help athletes develop capacity across short bursts. Classes like The Thread, use variable intensities and pacing to build capacity across longer time periods. With measured outputs included throughout our cycles, you can track your progress and see how much you have improved.

Mobility & Balance

Mobility and balance are often the most overlooked aspect of an Athletes training. Everyone wants to lift heavy and get sweaty. But we help you improve your movement and mechanics too. From our specific Motion classes, to the functional body building included in all our programming we help you move better. This directly translates to the other pillars of fitness

You can’t have amazing members without great coaches

That’s why we have highly qualified, experienced and well-educated coaches. Importantly they are full time with sick-pay, pensions & holidays. There is real career progression as Gymnasium expands. They all go on regular courses across a range of fitness & nutrition specialisms and bring their knowledge back top the wider team and members.

New coaches all go through the Academy, our coach development program. We are recruiting and training coaches with a wide range of skills and backgrounds who receive a series of practical workshops, videos and our handbook to show them how we coach at Gymnasium.  They then join classes to shadow our full time Coaches before starting to lead classes themselves.

 

JACK | COACHING DIRECTOR | GYM LEAD BRIXTON

Jack is a former national league basketball player who opened IN2CROSSFIT Clapham in 2014 and IN2CROSSFIT Farnham in 2016. He was also the driving force behind renowned UK CrossFit competition; The Athlete Games. His passion is taking athletes who do not count themselves as remotely fit and showing them what they are really capable of.

  • Level 3 Personal Trainer:
  • Ushomi Fitness
  • Kettlebell Instructor
  • Bullgarian Bag Instructor
  • Olympic Lifting
  • BWLA Level 1: Olympic Lifting Instructor
  • CrossFit Level 1
  • CrossFit Kids
  • CrossFit Mobility
  • CrossFit Football
  • CrossFit Coaches Prep Course
  • CrossFit Westside

PETE 'BIG RED' | ATHLETICA PROGRAMME MASTER | GYM LEAD WANDSWORTH

Pete leads our Athletica program. He was born in Cape Town, South Africa and has been coaching since 2007. He represented his Province in rowing and played high level rugby until 2011. As a coach he has worked with Hollywood actors, stunt crews, sports teams and specialises in building female specific conditioning & strength programs.

  • Crossfit Level 1
  • Gym Jones Level 1

TIM | CROSSFIT PROGRAMME MASTER | GYM LEAD CLAPHAM

Tim leads our Compete program. Tim has played competitive Football his whole life. He represented his NZ province at under 21, and at the Milk Cup in Northern Ireland in 2008. He captained his team to 3rd place in the NZ Premier League. He has a Graduate Diploma in Applied Science specialising in Physical Conditioning, and has worked with and alongside top conditioning coaches and National Representative Scholarship athletes.

  • CrossFit Level 3
  • Crossfit Kids
  • Graduate Diploma in Applied Science Specialising in Physical Conditioning (Level 7)
  • Diploma in Applied Sport and Exercise Leadership Specialising in Personal Training (Level 5)

SAM | GYM LEAD | WANDSWORTH (MATERNITY LEAVE)

Sam joined Gymnasium as a member, starting out in Athletica and then adding CrossFit. She fell in love with Gymnasium and wanted to make it a more permanent fixture in her life and so 18 months later joined as a full-time coach.

Sam was a former swimmer, representing her county and competing at the Nationals. Although she no longer competes, she still very much enjoys the odd splash about and even started up the Gymnasium Swim Club.

  • CrossFit Level 1
  • PT Level 3
  • Swim coach Level 1

SOPHIA | COACH

After working in marketing for years, Sophia trained and qualified as a fitness instructor around her 9 to 5 – running classes before and after work (sometimes taking a cheeky nap at lunchtime!). She realised that fitness was her passion, decided to pursue it full time and hasn’t looked back since.

Sophia is a qualified yoga instructor and loves helping people out with their mobility. In her spare time you can usually find her on her bike or running around SW London – so she’s super excited about Gymnasium’s Run Club and Cycle Club, and hopes to see you there too!

  • CrossFit Level 1
  • Level 3 personal trainer
  • Yoga instructor

NIC | COACH

Nic, was born in Johannesburg, South Africa. He played professional rugby, as well as district level waterpolo and bouldering. Nic then moved to Cape Town where his coaching career began.

In the eight + years since, he has trained private clients with individual needs, celebrity clients with specific goals for film, and most especially, group classes with mixed level participants.

Nic is passionate about functional fitness and the combination of both strength and mobility. He takes pride in being a part of his clients’ personal health & fitness journeys and believes that it also plays a major roll in ones mental health.

  • CrossFit Level 1

SOSIE | COACH

Whilst studying at Loughborough University, Sósie was a keen hockey player and represented the University. After graduating with a BSc in Sport, Exercise and Health Sciences, she left her home in the Isle of Man for a career in sports events. During the CV19 pandemic she qualified as a Level 3 personal trainer and embarked on a new adventure as a PT. Sósie has been with Gymnasium since our Wandsworth gym opened it’s doors in April 2021.

If you haven’t come across Sós as a coach yet you’ll certainly have seen her sweating away in a class!

    • BSc Sport, Exercise and Health Sciences

RYAN | COACH

Ryan is a sports-loving South African. He was a decorated International Rower as well as an experienced elite-level Powerlifter. As soon as competing in Rowing ended, his primary goal then turned to transferring his skills and time towards helping people achieve their fitness goals. With a degree in Psychology and Sport Psychology, Ryan not only understands the importance of physical development, but also mental development. This provides the base for his person-centered coaching style, ensuring that members are guaranteed to leave feeling encouraged about their fitness journey.

    • BSc Psychology and Sport Psychology
    • Crossfit Level 1
    • ISSA Exercise Therapy Specialist

TOM | COACH

Tom joined the Gymnasium coaching team in 2021 shortly after he switched careers from marketing to become a full-time fitness professional – a passion that had long been a ‘side hustle’.

Tom holds a degree in Exercise & Sports Science and played semi-professional rugby for 10+ years, so has plenty of practical experience in a strength & conditioning setting. He is also our in-house TRX Specialist and comes with an infectious, glass-half-full attitude to life, so will be sure to put a smile on your face when you step through the doors of whichever Gymnasium site you happen to find him at!

    • BSc Exercise & Sports Science (1st Class Hons)
    • REPS Level 3 Personal Trainer
    • TRX Certified Trainer
    • CrossFit Level 1

JAMES | COACH

James has been coaching in the sport and fitness industry for over 18 years. He has a degree in Strength & Conditioning Science from St Mary’s University. He has elite level coaching experience working with some of the UK’s top student athletes with a specific focus within Rugby league, Football, Futsal, Netball, Hockey and Rugby Union.

James played Rugby and Hockey to a county  standard and to a high level of semiprofessional Football.James has a great passion for Olympic lifting and Athlete economy with a focus on running mechanics.

    • Gym Instructor level 2
    • Active IQ Level 3 Certificate in Personal Training
    • Certificate in Studio Cycling
    • Certificate in Circuit Training
    • Certificate in Sports Nutrition
    • Certificate in Gym Based Boxing
    • CrossFit Level 1
    • Level 2 in Sports Coaching
    • Level 2 Kettlebell Trainer
    • Level 1 Strength and Conditioning
    • Bs Strength and Conditioning Science

RAFFI

Fitness and sports have always been a big part of Raffi’s life, playing rugby at county level as a youth and adult. Brought up in Bristol, Raffi moved to London to pursue a career in the fitness industry, working in group fitness to start and PT’ing individual clients. Raffi joined the Gymnasium team in 2021 as part of the Academy and is now a full time coach at Clapham.

    • Level 3 personal trainer
    • CrossFit Level 1

ALEX | COMMERCIAL DIRECTOR

Coach Alex first joined us as a member in 2015, after a few years learning about the Gymnasium experience as a member, Alex joined our part time coaching team.

In 2018 Alex left the corporate consulting world to join our permanent team and has vowed never to wear a suit to work again! Alex oversees everything to do with our strategy, processes and finance.

Alex is a CrossFit Level 2 Coach with a sports background in swimming, water polo and rugby.

    • CrossFit Level 2

KAREN | MEMBER & TEAM SUPPORT

After 25 years in corporate environments providing project management, administration, and business support services Karen started working with Gymnasium in 2017 and joined the team full-time in 2020.

Karen looks after all things non-coaching related including member services, business support and HR – if you have the red bar of shame, cannot book a class, want to change your membership or pass on some feedback Karen is the one to contact!

A former Nationals level competitive swimmer and Western Counties champion she now mainly swims open water and occasionally competes.  Owner of 14 year old twin girls Karen is well equipped for anything the members or the coaching team throw at her!

What set us apart is our focus on members above everything else

Everyone is welcome and all our workouts are adjusted to match the needs and abilities of every individual. You can read member reviews directly on Google:

4.8
Based on 76 reviews
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Niall DohertyNiall Doherty
17:54 04 Oct 22
Been to many gyms so far in my fitness journey and this is head and shoulders, even knees and toes above any i have been to. Every trainer is friendly and invested into you bettering yourself, classes are well planned and well executed, I look forward to each visit as i cant wait for the buzz of a good class especially a team hunt 👍🏻
Ashleigh NelsonAshleigh Nelson
16:34 11 May 22
Gymnasium has massively improved my confidence when training. The coaches all take time to get to know you, your abilities and the best method to progress your strength. Everyone is welcoming and I always leave feeling positive about training! Would recommend to anyone wanting to improve their fitness or just somewhere fun to train.
Kathryn MoultonKathryn Moulton
09:49 28 Sep 21
I joined Gymnasium back at the start of the year as a complete beginner and with zero strength. The lovely Sophia Lau quickly showed me around the studio and welcomed me into my first "Athletica" and blew away those first day nerves. Fast forward to a few "Beginner OLY "classes, lots of hugely encouraging staff members and the wonderful community supporting each other, it's become one of the best gyms in the area.I might still be too scared to lift that extra big heavier, or master that kipping technique but I look forward to those morning classes every week.Don't be put off by a few fake reviews, pop in for a trial session and see for yourself - you won't regret it. Or just look at their social media accounts for the truth 🙂 Ps as "Stronger"s very own James Avery likes to remind me "not legs, not legs"!!
Danilo SilveiraDanilo Silveira
19:55 22 Sep 21
From beginners to advanced, gymnasium is the best place for you. Coaches are very friendly and amazing professionals, are very well prepared and always there to help you achieve your best, it doesn’t matter if it’s your first time at the gym, they’ll make you feel at home. After years away from the fitness life, I couldn’t find a better place, the results were visible in less than a month. Wide range of lessons, and a very supportive community, felt good and welcomed from day 1.
Marija LasauskaiteMarija Lasauskaite
14:58 22 Sep 21
Joined 3 weeks ago as a genuine total beginner (like I had to be shown what a Bench Press was etc) and honestly its been FAB! Everyone is super friendly (even though they're lifting x5 my weights) and encouraging, and the gym is small so you see familiar faces each time. Facilities are really nice, you can book into a class with 1/2 days in advance (you dont have to set an alarm 7 days in advance to get a slot) and you're always greeted with a massive smile by reception and coaching team. LOVE IT.
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4.7
Based on 56 reviews
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Will StogdaleWill Stogdale
14:45 02 Aug 22
I love this place! Been coming for a few weeks now and can’t wait to get going each day! It’s a hard workout, but the coaches and community are great!
Luke RowLuke Row
05:07 07 Apr 19
I joined Gymnasium after a friend recommended it to me and boy am I glad I did. Literally the best decision I’ve made for my health and fitness. Great value for money if you go regularly. The coaches are fantastic, I’ve learned so much in such a short space of time. The facilities are great too and it’s refreshing to be part of a gym that everyone looks after and the community spirit here is what breathes life into the place. I love it!
Dan JonesDan Jones
16:34 25 Nov 18
We absolutely loved Gymnasium! It is has been a challenge to find a gym/box that comes close to ours back home in Australia, but Gymnasium made us feel like home. The coaches were brilliant and the other members were so nice and welcoming.The equipment is all in excellent condition and the facilities are top notch. Would absolutely recommend to anyone who is looking for a great gym or CrossFit box.
Colin BurkeColin Burke
11:01 17 Oct 18
Great community in a great facilities. With coaches who have the ability to adjust and explain workouts for all abilities from first timers to competing athletes. Would highly recommend.
Aurélie RandolphAurélie Randolph
19:46 23 Aug 18
Gymnasium and crossfit have literally changed my life. I finally found something I love doing and always look forward to. The diversity of the classes and the possibility to also do your own thing in open gym makes it the perfect place to go to.Since I started I've become much stronger, faster, fitter, leaner but also happier in my body!The coaches there are incredibly knowledgeable, help you become better/stronger, but also care about your progression and make sure you exercise safely. They're also friendly and always genuinely make you feel welcome and part of the community which, let's be honest, is not something you find in your normal gym.The community and social aspect are pretty awesome too, I've only joined 8 months ago but feel part of the family and have made some really good friends there.If you want your face on a billboard at Clapham North, make cool friends, get fitter, stronger and happier, this is the place! 🙂
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5.0
Based on 15 reviews
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Rhiarna HarrisRhiarna Harris
11:25 21 Apr 23
An amazing gym with something for everyone no matter your ability. With great coaches and sense of community I always look forward to coming to classes!
Experience here so far has been far beyond the galaxies! Coaches are 100% positive vibes, always giving pointers when needed at any level.
Philip PPhilip P
19:26 20 Apr 23
Awesome gym- super helpful coaches, brand new space and great equipment, open to all abilities.The classes here are ace, and the coaches are super supportive and knowledgeable and will push you to go the extra mile (if you want). Nice community of people and get personal coaching at each class!Keep up the good work!
Ben HamerBen Hamer
15:00 20 Apr 23
Awesome gym for all abilities. Coaches can always offer pointers no matter your level
BenjiBenji
15:45 11 Mar 23
Great gym! Super friendly staff!! Love it🤘🏼
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