ATHLETIC FITNESS CONCEPT cross-training
Athletic Fitness Concept (AFC) is the ultimate 500 m² functional fitness facility in the Brabant Wallon region. Whether you are looking to build functional strength, increase hybrid endurance, or learn real-world self-defense, our professional box offers the perfect space for athletes of all physical levels. Our state-of-the-art training floor is specifically designed to support Cross-Training, intensive HYROX preparation, and top-tier Krav Maga instruction. Led by certified and highly passionate coaches, AFC brings an exceptionally motivating, community-driven approach to every workout. Conveniently located in Ittre, we welcome fitness enthusiasts from Virginal, Tubize, Braine-le-Château, Clabecq, and Nivelles who are ready to push past their physical and mental limits.
Three Specialized Pillars
Access specialized functional Cross-Training, official HYROX endurance preparation, and practical Krav Maga self-defense under one single roof.
Total Training Freedom
Enjoy full membership flexibility with our 12-session card that never expires, or select from our unlimited monthly plans with special emergency service discounts.
Elite Certified Coaching
Train effectively under the supervision of highly certified professionals holding elite credentials in functional conditioning and combat systems.
Laurent Musch
Manager, Head Coach & Self-Defense Instructor
Laurent is a highly certified coach with a passion for functional athletic performance and self-defense. He holds elite CrossFit, HYROX, and Krav Maga credentials, ensuring safety and extreme motivation in every session.
Alan Guévoorts
CrossFit Coach
Alan is a certified CrossFit Level 1 Trainer dedicated to guiding members through fundamental patterns and scaling functional movements safely for all fitness levels.
Sophie, 29 yrs
"An incredible gym with an amazing community atmosphere! The coaches are extremely supportive, constantly checking and correcting our form. I highly recommend the HYROX prep sessions!"
Thomas, 38 yrs
"Superb 500 m² box with top-notch equipment. The Krav Maga and Cross-Boxing sessions are high energy and highly technical. It's the perfect place to decompress and get strong after a long day at work."
Functional Training Arena
An open 500 m² box optimized for intense athletic output, featuring custom-built pull-up rigs, gymnastics rings, and high-durability floor protection.
Cardio & Sled Zone
Fully equipped with premium conditioning tools including Concept2 rowers, SkiErgs, assault bikes, and heavy weighted sleds to optimize HYROX training.
Self-Defense & Combat Floor
A spacious matted area specifically arranged for tactical Krav Maga simulations and high-intensity, stress-busting Cross-Boxing drills.
HYROX Race Prep
A structured hybrid program designed to build the running stamina and functional movement power required to dominate the global HYROX competition.
Krav Maga Tactical Defense
A complete close-quarters self-defense class using real-world scenarios to teach fast reflex defense, situational awareness, and combat drills.
Cross-Boxing Core Conditioning
A highly athletic boxing class that combines heavy bag training, mitt drills, and core-centric strength intervals to torch fat and tone muscle.
Rue de Tubize 28, Ittre, Brabant Wallon, Belgium
Open in Google MapsPlace ID: ChIJT8Jv1oLLw0cRbylA1C2H6DU
Cross-Training
Specialized class
HYROX
Préparation aux compétitions HYROX
Cross-Boxing
Specialized class
Krav Maga
Specialized class
Workout of the Day (WOD)
Entraînement du jour - séance intense et variée
Strengths
- Official HYROX affiliate - AFC is officially certified by HYROX, providing premium access to specialized hybrid sports conditioning equipment and simulation runs.
- Non-expiring punch cards - Our 12-session card is highly flexible with no time limit, making it perfect for busy professionals or multi-sport athletes.
- Elite coaching credentials - Guided workouts led by CrossFit L2, CrossFit Kids, and Krav Maga Expert 1 instructors who prioritize technique and member safety.
- Generous training space - A clean, highly organized 500 m² open box meticulously stocked with specialized fitness and combat gear.
Watch points
- No open gym focus - The gym operates primarily through guided class structures, which may not suit athletes looking to train entirely on their own schedule.
- Popular classes fill fast - Peak evening sessions for Cross-Training and Krav Maga are highly sought after, requiring early class reservations.
Cross-Training
An intense functional training class focused on elevating strength, speed, stamina, and explosive power. Each workout features a scalable Workout of the Day (WOD) utilizing barbells, kettlebells, gymnastic rings, and pull-up bars under coach supervision.
Objective: Strength & Conditioning
HYROX
The ultimate test of hybrid fitness. This specialized class replicates the official HYROX event format, pairing demanding running intervals with functional stations like heavy sled pushes, rowers, SkiErgs, and wall balls to build supreme stamina.
Objective: Hybrid Endurance
Krav Maga
An tactical self-defense course based on the world's most effective defense system. Learn rapid situational reflexes, tactical hand-to-hand combat drills, and situational awareness under the guidance of our Expert 1 instructor.
Objective: Tactical Self-Defense
Cross-Boxing
A high-octane workout combining traditional boxing mechanics, heavy bag combinations, and rapid core-centric functional intervals designed to burn maximum calories and sculpt athletic definition.
Objective: Cardio & Core
AFC is situated in the peaceful, highly accessible town of Ittre in the heart of Brabant Wallon, right on the border of Virginal-Samme. It provides an energetic, clean-air environment away from crowded urban centers, while remaining tightly connected to adjacent municipalities.
Public transport
Easily reached via local TEC bus networks connecting Tubize, Virginal, and Braine-le-Château.
Parking
An expansive, complimentary private parking area is located directly in front of the facility for driving members.
Landmarks
Approach
We strongly believe in functional movement, community-centered training, and mental resilience. We prioritize natural kinetic exercises that enhance your daily physical performance, athletic longevity, and self-confidence.
Methodology
Every session is fully coached from start to finish. Our trainers focus heavily on physical biomechanics, postural alignment, and scalable movement patterns, guaranteeing a safe training experience.
Progression
We offer structured scaling options for every workout. Beginners and experienced competitors can train side-by-side, steadily tracking progress through daily class achievements.
12-Session Card
- Valid for Cross-Training, HYROX, or Cross-Boxing
- No expiration date whatsoever
- Absolutely no recurring monthly commitment
3, 6 & 12-Month Unlimited Plans
- Unlimited access to all listed functional classes
- Access to premium Cross-Training, HYROX, and Cross-Boxing classes
- Special reduced price rates for Military, Police & Firefighters
First visit
Please arrive about 10-15 minutes before your scheduled class. Our coach will welcome you, introduce you to our 500 m² facility layout, and discuss your fitness goals and any physical limitations.
Required equipment
Comfortable athletic clothes, clean indoor sports shoes with flat soles, a personal water bottle, and a clean towel for training.
What a typical session looks like
Each session consists of a guided joint mobility warmup (10 mins), a technique and scaling demonstration (10 mins), the high-intensity Workout of the Day (35 mins), and a recovery cooldown with light breathing and stretching (5 mins).
Strength & Weightlifting
Gymnastics & Bodyweight
Cardio & Hybrid Conditioning
Community Team WODs
Fun, high-energy partner and team workouts designed to build strong friendships and push your performance limits.
HYROX Simulation Prep
Full-scale athletic test runs designed to replicate the official HYROX event setups, perfect for members preparing for competitive races.
Laurent Musch
Laurent is the managing founder of AFC. With elite backgrounds in functional systems and tactical close defense, he crafted the gym to deliver high physical performance paired with deep mental confidence.
Alan Guévoorts
Alan is deeply committed to functional safety and postural execution. He ensures that every member, from absolute newcomers to veteran lifters, receives proper biomechanical cues in every workout.
HYROX Official Gym
AFC is recognized as an official affiliate HYROX gym, providing members with certified training structures and early race registration privileges.
Krav Maga Global Network
Ensures our tactical close combat training strictly adheres to the highest level of defensive guidelines.
We offer structured programs to fit any budget. Enjoy ultimate freedom with our 12-session card, valid with absolutely no time limit. For consistent athletes, we provide 3-month, 6-month, and 12-month unlimited memberships giving you complete access to all included disciplines (Cross-Training, HYROX, Cross-Boxing). Special discount plans are proudly offered for Military, Firefighters, and Police officers.