At a Glance
- Tasks: Coach energising group classes and build strong member relationships.
- Company: Join Gymnasium, a community-driven fitness team focused on real results.
- Benefits: Earn up to £27 per hour, enjoy subsidised membership, and flexible hours.
- Other info: Ideal for those passionate about fitness and eager to grow in a supportive environment.
- Why this job: Be part of a vibrant community and make every session the best hour of someone's day.
- Qualifications: Must have 2 years coaching experience and CrossFit Level 1 or 2 certification.
At Gymnasium, we believe fitness works best when done together—expertly coached, community-powered, and grounded in real results. We’re more than a gym. We’re a team.
We train for strength, mobility and endurance in group classes led by passionate coaches who know how to deliver serious fitness in a welcoming, energised environment. Our Coaches are the beating heart of the member experience—bringing the energy, the know-how, and the consistency to make every session the best hour of someone’s day.
The Role
You’ll be responsible for coaching group classes; CrossFit and DELT. You’ll create a high-energy, inclusive and results-focused experience, while building strong relationships with members. You’ll also support the operational running of the gym and help build our wider community. You report to the Gym Lead and work closely with the rest of the coaching team.
What We Expect
We’re obsessed with member experience and we expect you to be too. That means:
- You’re positive, proactive, and passionate about fitness.
- You bring energy to every class and care about the details others overlook.
- You back your teammates, take ownership, and stay curious about how to get better.
Key Responsibilities
- Coaching & Community
- Deliver group classes to the Gymnasium standard—focused, fun, professional.
- Build trust and rapport with members; be a friendly, visible presence in and out of class.
- Keep your qualifications sharp and your coaching sharper—ongoing learning is part of the gig.
- Help run in-gym events and support competitions, seminars, and socials.
- Member Experience & Retention
- Champion the best possible hour in the gym.
- Keep an eye on NPS, retention, and community vibe—and act on feedback.
- Operations & Admin
- Maintain gym cleanliness and equipment standards (cleaning schedule, repairs, servicing).
- Follow all H&S protocols and flag issues promptly.
What You Need
Must-Haves
- At least 2 years of group coaching experience
- CrossFit Level 1 or 2
- Based in London (within 30 mins of a Gymnasium site)
- Available to work early mornings, evenings, weekends and some holidays
- First Aid & CPR certified
- Excellent interpersonal skills, a professional attitude, and solid attention to detail
- Comfortable with basic digital tools (email, scheduling, booking platforms)
Nice-to-Haves
- CrossFit Level 3 or other advanced certifications
- Entrepreneurial mindset and initiative—you like improving things, not waiting for instructions
- Comfortable helping on sales consults, member check-ins, or socials
Up to £27 per hour depending on experience
15–25 hours of coaching per week
Subsidised Gymnasium membership
Seniority level Entry level
Employment type Part-time
Job function Education and Training
Industries Wellness and Fitness Services
Crossfit Coach in London employer: Gymnasium
At Gymnasium, we pride ourselves on fostering a vibrant and inclusive community where fitness thrives through expert coaching and camaraderie. As a CrossFit Coach in London, you'll enjoy a supportive work culture that prioritises member experience, alongside opportunities for professional growth and development. With flexible hours, a subsidised gym membership, and a focus on continuous learning, Gymnasium is the perfect place for passionate fitness enthusiasts to make a meaningful impact.
StudySmarter Expert Advice🤫
We think this is how you could land Crossfit Coach in London
✨Join Local Fitness Communities
Get involved in local fitness groups or clubs. Join classes, workshops, or events where personal trainers gather—this is your chance to showcase your skills and passion. Plus, networking with fellow fitness enthusiasts can lead you to part-time roles or insider info on openings!
✨Offer Free Workshops
Consider hosting free fitness workshops or classes in your area. Not only does this build your reputation, but it also showcases your expertise to potential clients and hiring managers. You might just catch the eye of someone from Gymnasium looking for trainers!
✨Utilise Social Media Wisely
Leverage platforms like Instagram and Facebook to post workout tips, transformations, and client testimonials. Create a professional presence that highlights your personal training style, and don’t shy away from tagging local gyms or fitness brands that might be hiring part-time trainers!
✨Apply Directly to Gyms
Don’t just rely on job boards! Head to local gyms and fitness centres and ask if they're looking for part-time trainers. A personal visit can make you stand out, plus you might get a chance to demonstrate your skills right then and there. And remember, check out the careers page on Gymnasium's website too!
We think you need these skills to ace Crossfit Coach in London
Some tips for your application 🫡
Show off your qualifications:Make sure to highlight your fitness qualifications and certifications prominently on your CV. If you’ve got any relevant courses or specialisations like nutrition or fitness classes, shout about them! It gives us a quick insight into your expertise in personal training.
Bring your personality to your cover letter:We’re looking for someone who not only knows their stuff but can also connect with clients. Use your cover letter to showcase your passion for fitness and how you can motivate others. Share a brief story or experience that demonstrates your coaching style – this is your chance to let your personality shine!
Tailor your experience to the role:When detailing your experience, focus on roles where you've helped others reach their fitness goals. Mention any part-time work or volunteer roles in fitness that show your ability to coach and support clients. This lets us see how you will relate to our clients at Gymnasium.
Keep it concise but impactful:As it's part-time, we know time is of the essence! Keep your CV and cover letter concise while ensuring they pack a punch. Use bullet points for easy reading and focus on key achievements in your previous roles. It makes it easier for us to see the value you can bring to Gymnasium!
How to prepare for a job interview at Gymnasium
✨Showcase Your Coaching Skills
Since you’re applying for a part-time role in fitness and personal training, be prepared to demonstrate your coaching abilities. This might involve a practical assessment where they'll ask you to conduct a mini training session or walk them through a workout, so brush up on your cues and motivational techniques!
✨Know Your Fitness Tech
Be ready to discuss the fitness technology and tools you're familiar with, like apps for tracking workouts or nutrition. Many clients now look for trainers who can integrate tech into their training, so mentioning tools or platforms you’ve used can show you’re up-to-date with current trends in the fitness industry.
✨Highlight Your Availability and Flexibility
As a part-time trainer, your availability is key. Be clear about your schedule and show you're adaptable to clients' needs. Highlight any previous experience working with varied client schedules, which is often crucial in this role, as people might want sessions early mornings or late evenings.
✨Share Your Success Stories
Prepare to discuss specific examples of your past clients' successes. Whether it's helping someone achieve their weight loss goals or improving their strength, having concrete stories will help illustrate your impact. Bring along any testimonials or results, if you have them, to make your case even stronger when chatting with Gymnasium.
