HARDER FITNESS & FIGHT CLUB
Welcome to HARDER Fitness & Fight Club (also known as Cellar Gym), a premier boutique fitness studio located in the heart of Warsaw's Ochota district. We specialize in high-intensity functional training, HYROX, Cross, and premium combat sports like Boxing and Kickboxing. Unlike commercial megagyms, we take pride in our family-like, inclusive community where no member is ever anonymous. Our mission is to provide an supportive, motivating environment combined with expert coaching, helping you transform temporary motivation into long-term discipline. Whether you are aiming to step into the ring, prepare for a HYROX race, or build a strong, healthy body, our state-of-the-art facilities and customized programs are built to elevate your performance.
Boutique Atmosphere
Say goodbye to sterile commercial gym vibes. We offer a tight-knit community where you'll find peer support, friendly smiles, and personalized coach attention.
Two Specialized Studios
Train in dedicated, clean environments tailored with professional combat tatami and modern high-intensity functional training equipment.
Nutrition & Fitness Combined
With multi-certified dieticians and AWF graduates on our coaching staff, we ensure your nutrition and training work in perfect synergy.
Sonia
Personal Trainer & Nutrition Specialist
A graduate of the Academy of Physical Education in Warsaw and a former professional volleyball player. Sonia combines demanding training with comprehensive dietary support, holding a postgraduate degree in nutrition from SGGW.
Juras
Lead Kickboxing Instructor
A combat veteran with over 22 years of kickboxing experience, boasting 150+ fights (18 professional). Juras is a 5-time World Cup Winner and 10-time Polish Champion, certified by the Polish Kickboxing Association.
Bartek
Functional Trainer & Licensed Boxing Coach
An AWF Warsaw graduate and clinical dietician. Bartek is a certified Les Mills instructor and PZB licensed boxing coach who brings infectious positive energy and a scientific approach to body fat reduction and joint safety.
Patryk
Martial Arts & Boxing Instructor
A multi-medalist at the Polish MMA Championships and professional fighter with 16 years of combat sports experience. Patryk specializes in flawless punching mechanics, defensive maneuvers, and professional ring preparation.
Ola
Athletic Preparation Coach
A licensed UEFA B coach specializing in athletic preparation and mobility. Ola leverages her deep soccer background to design custom functional routines that improve daily movement, stability, and explosiveness.
Wiktoria Pluskota
Personal & Group Trainer
A highly energetic personal trainer and competitive Brazilian Jiu-Jitsu practitioner. Wiktoria is the creator of the signature 'Brazylijskie Pośladki' program, focusing on glute isolation, lower-body power, and biomechanics.
Kamil, 29 yrs
"The atmosphere at Harder (now Cellar Gym) is unmatched. You don't feel like a number here; the coaches genuinely care about your form and progress. The HYROX class is brutal but highly addictive!"
Marta, 34 yrs
"I started training with Wiktoria and absolutely fell in love with the 'Brazylijskie Pośladki' classes. The workouts are super effective and the community of girls supporting each other is fantastic."
Tomasz, 41 yrs
"Training kickboxing under Juras is a masterclass. His 22 years of experience show in every technical detail. Best combat sports gym in Ochota, hands down."
Functional & HIIT Studio
A fully equipped modern zone designed for high-intensity training, HYROX preparation, and Cross workouts. Equipped with rowing machines, assault bikes, kettlebells, and bumper plates.
Fight Club Combat Zone
A professional combat zone featuring high-impact shock-absorbing tatami mats, heavy punching bags, speedballs, and boxing mitts for safe, authentic fight training.
Stretch & Recovery Area
A dedicated quiet space equipped with foam rollers, yoga blocks, and specialized tools to focus on mobility, core stability, and post-workout regeneration.
Brazylijskie Pośladki (Brazilian Glutes)
An intense, signature lower-body workout designed primarily for women (though men are welcome) to shape, strengthen, and firm the glutes and thighs, while improving core stability.
HYROX Official Prep
A specialized training program combining steady-state running intervals with intensive functional movements to prepare you for official HYROX athletic events.
Introductory Personal Training Pack
Get a customized assessment and your first one-on-one training session with Wiktoria completely free of charge to map out your long-term fitness goals safely.
Grójecka 17, Warszawa, Masovian Voivodeship, Poland
Open in Google MapsHYROX
Préparation aux compétitions HYROX
CROSS
Specialized class
Cardio & Body
Entraînement cardiovasculaire haute intensité
Kickboxing
Specialized class
Boks (Boxing)
Specialized class
Technika Boksu (Boxing Technique)
Specialized class
Stretch
Specialized class
Brazylijskie Pośladki (Brazilian Glutes)
Specialized class
Strengths
- Boutique Community Vibe - A warm, personal atmosphere where you receive direct coaching attention and form real friendships with fellow members.
- Decorated Coaching Team - Learn from Polish champions, academic sports graduates, and licensed trainers who ensure safe, professional workouts.
- Corporate Card Friendly - Easily access our group classes and gym floor using your MultiSport, FitProfit, Medicover Sport, or PZU Sport subscription.
- Diverse Class Selection - Seamlessly switch between combat arts, HYROX endurance, high-intensity Cross training, and dedicated muscle isolation programs.
Watch points
- Peak Hour Crowds - Due to the boutique nature of our studios, popular classes between 18:00 and 20:00 can fill up fast, so early booking is highly recommended.
- Busy City Parking - Being centrally located on Grójecka street means street parking can sometimes be limited during busy rush hours.
HYROX
An intense, hybrid class that pairs running sequences with specialized functional workout stations. Formulated to mimic official HYROX races, it builds physical endurance, raw strength, and mental fortitude.
Objective: Cardio & Functional Endurance
CROSS
A comprehensive physical training program emphasizing strength, gymnastics, and cardiovascular conditioning. Every session challenges your coordination and builds functional, powerful muscles using varied daily workouts.
Objective: Strength & Conditioning
Cardio & Body
A calorie-burning and muscle-toning class utilizing moderate resistance and continuous cardio. This class is designed to burn fat and boost physical condition in a welcoming, fast-paced environment.
Objective: Fat Loss & Toning
Kickboxing
A highly dynamic class pairing traditional boxing punches with powerful lower-body kicks. You will build exceptional core power, spatial coordination, and cardiorespiratory stamina under world-class instruction.
Objective: Martial Arts & Stamina
Boks (Boxing)
A combat class concentrating on boxing work, agility drills, and targeted pad routines. Gain quick reflexes, enhance your physical speed, and learn standard offensive and defensive techniques.
Objective: Boxing Fundamentals & Cardio
Technika Boksu (Boxing Technique)
A technical training session dedicated entirely to movement execution, balance, exact punching angles, and head movement. Perfect for polishing skills without heavy, fatiguing conditioning.
Objective: Technical Mastery
Stretch
A quiet, centering session that guides you through therapeutic stretching routines. Perfect for releasing muscular tension, enhancing joint range of motion, and boosting cellular recovery.
Objective: Flexibility & Recovery
Brazylijskie Pośladki (Brazilian Glutes)
Wiktoria's signature workout targeting lower-body muscle development. Focused primarily on glute isolation, strong legs, and deep core stability to shape your physique and prevent athletic injuries.
Objective: Lower-Body Shaping
Tuesday
Thursday
Situated in the active and well-connected Ochota district of Warsaw, right on the bustling Grójecka street. The neighborhood is highly walkable and surrounded by local cafes, offices, and green spaces, making it perfect for quick pre- or post-work sessions.
Public transport
Easily accessible via Warsaw's tram network (Lines 7, 9, 15) stopping directly at the nearby stations, as well as multiple local bus connections.
Parking
Paid municipal street parking is available directly along Grójecka street and neighboring side streets.
Landmarks
Approach
We reject the cold, anonymous fitness culture. Our philosophy centers on creating a supportive family environment where group camaraderie and customized support motivate you to show up consistently.
Methodology
We emphasize functional biomechanics, technical safety in martial arts, and scale-appropriate cardiovascular progression to build a highly adaptable, resilient body.
Progression
We assess your current movement level during introductory sessions, slowly transitioning from core stability and form control to high-intensity athletic conditioning.
Personal Training
- One-on-one professional coaching
- Customized fitness and recovery plans
- Personalized nutritional advice
Corporate Benefits Access
- MultiSport Card accepted
- FitProfit Card accepted
- Medicover Sport accepted
- PZU Sport accepted
First visit
Please arrive about 15 minutes before your scheduled class. Our friendly reception staff will walk you through our facilities, introduce you to your coach, and show you to the changing rooms.
Required equipment
Please bring comfortable workout clothes, clean indoor athletic shoes, a water bottle, and a personal towel. Boxing wraps and gloves are recommended for combat classes.
What a typical session looks like
Each class lasts 60 minutes, starting with a 10-minute dynamic warm-up, followed by 40 minutes of skill/cardio/strength work, and finishing with a 10-minute cool-down stretch.
Functional & HIIT Equipment
Combat & Protection Gear
Recovery & Stability
Monthly HYROX Simulation Trials
Test your stamina and race times in a mock race setup featuring rowing, running, and functional workout stations alongside your training partners.
Weekend Technical Boxing Workshops
In-depth masterclasses focusing on sparring mechanics, tactical distance closing, and advanced ring strategy.
Sonia
Sonia utilizes her academic sports education and professional volleyball background to deliver precise, goal-oriented workouts. Her deep knowledge of nutrition from SGGW ensures that your diet perfectly matches your physical efforts for maximum progress.
Juras
With an elite career spanning more than 22 years and 150 official fights, Juras is a highly revered coach. He focuses on building mental stamina, technical discipline, and high-intensity kickboxing endurance for athletes of all levels.
Wiktoria Pluskota
Wiktoria merges her love for strength training and martial arts to create engaging, highly effective workouts. As the founder of the 'Brazylijskie Pośladki' classes, she aims to build physical confidence, strong mechanics, and lasting habits.
MultiSport
We fully accept MultiSport cards, allowing active cardholders to join our group training programs and open sessions.
Medicover Sport
Partnership allowing Medicover Sport members to train and utilize our facilities seamlessly.
FitProfit
FitProfit cardholders have unlimited access to our elite scheduled fitness classes.
PZU Sport
Official partner allowing convenient PZU Sport member check-ins for group and individual routines.
We offer a first-time personal training session for FREE. Subsequent personal training is priced at highly competitive rates of 150 zł per hour. We proudly accept top corporate sports benefit cards including MultiSport, FitProfit, Medicover Sport, and PZU Sport.