BM4 CrossFit
Welcome to BM4 CrossFit, the premier functional fitness destination located on the second basement level of the Medical Town Building in Gumi-si, Gyeongsangbuk-do. Celebrating over a decade of official CrossFit affiliation, our box is built on the foundation of expert coaching, safety, and a highly supportive community. We provide a motivating, high-energy space where individuals of all athletic backgrounds can discover the power of functional movement. Our specialized coaches lead you through scaled, progressive workouts designed to build strength, enhance cardiovascular endurance, and promote lifelong health. Join us to challenge your limits, establish lifelong friendships, and achieve your personal fitness goals in a professional and friendly environment.
A Decade of Experience
Proudly affiliated with CrossFit for over 10 years, offering seasoned coaching and a trusted training environment.
Expert-Led Programs
Our staff holds advanced degrees and industry certifications in weightlifting, sports conditioning, and injury rehab.
Fully Scalable Workouts
Every single movement in our daily WOD is adjusted by a coach to match your personal skill level and physical capacity.
Chul Shin
Head Coach & Owner
Chul has dedicated over a decade to helping the Gumi-si community discover functional fitness. He specializes in heavy weightlifting techniques and structured athletic development.
Jaeung Heo
Strength & Rehabilitation Coach
With advanced certifications in exercise physiology and neurokinetic therapy, Jaeung excels at correcting movement mechanics and helping athletes safely return from injuries.
Min-jun, 34 yrs
"BM4 CrossFit has completely transformed my approach to health. The coaches are outstanding, modifying every complex movement so I can train safely without getting hurt. The community here is incredibly encouraging!"
Ji-yeong, 29 yrs
"Having coaches who understand biomechanics, weightlifting, and mobility makes a huge difference. After training here for a year, my strength and posture have improved dramatically."
Main CrossFit Arena
A spacious, high-ceilinged basement training floor equipped with commercial-grade pull-up rigs, gymnastics rings, and specialized lifting stations.
Weightlifting & Power Zone
Equipped with official Olympic barbells, premium bumper plates, and solid lifting platforms to perfect the Snatch, Clean & Jerk, and Squats.
Conditioning Bay
Features a full lineup of functional cardio machines including Rowers and Assault Air Bikes designed for high-intensity metabolic conditioning.
CrossFit WOD
Constantly varied functional movements executed at high intensity. This group class covers gymnastics, weightlifting, and aerobic training.
Olympic Weightlifting Clinic
A focused technical class aiming to master the mechanics, speed, and explosive power required for the Snatch and Clean & Jerk.
Mobility & Injury Prevention
Incorporates Functional Movement Screening (FMS) and rehabilitation principles to help members resolve muscular imbalances and restore active range of motion.
B2 (Second basement level), The medical town building, Okgekong 36, Gumi-si, Gyeongsangbuk-do, Korea (the Republic of)
Open in Google MapsPlace ID: ChIJf8LJuYTfuocRERoHlMLrsxA
CrossFit WOD
Entraînement du jour - séance intense et variée
Olympic Weightlifting
Specialized class
Mobility & Functional Training
Specialized class
Beginner Elements Class
Specialized class
Open Gym Sessions
Accès libre à l'espace d'entraînement
Strengths
- A Decade of Experience - Our 10 years of official CrossFit affiliation ensure high-quality, safe, and effective programming.
- Highly Qualified Coaches - Our team has specialized credentials in Olympic lifting, rehabilitation, and athletic conditioning, ensuring you are in safe hands.
- Inclusive Community Support - We foster a tight-knit and encouraging group environment that makes training fun, social, and highly motivating.
Watch points
- Basement Location - Being situated in the second basement (B2) level means there is no natural sunlight, although our advanced ventilation system keeps the air fresh and clean.
- No Sunday Classes - The gym is closed on Sundays, which may limit training options for members who prefer exercising on the weekends.
CrossFit WOD
Our daily group fitness class featuring constantly varied functional movements performed at high intensity. It combines elements of cardio, gymnastics, and weightlifting to provide a well-rounded physical challenge.
Objective: Overall functional fitness, strength, and endurance
Olympic Weightlifting
A technical class focusing exclusively on improving performance in the Snatch and Clean & Jerk. Coaches break down movements to help you lift with better posture, explosive speed, and absolute safety.
Objective: Explosive power and barbell technique
Beginner Elements
Designed for newcomers, this program covers the basic foundational movements of CrossFit, proper technique, and how to safely scale workouts before joining the main daily WODs.
Objective: Foundational mechanics and movement safety
Open Gym
An unstructured block of time where members can access all equipment to practice complex movements, complete missed WODs, or work on personal strength goals at their own pace.
Objective: Self-directed practice and conditioning
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
BM4 CrossFit is situated in Gumi-si, within the lively Okgye-dong commercial district. Located on the B2 level of The Medical Town Building, the box is easily reachable and surrounded by a variety of local restaurants, clinics, and residential complexes.
Public transport
Easily accessible via local Gumi-si transit bus lines stopping directly adjacent to the Okgye Medical Town zone.
Parking
Secure on-site basement parking is available in the Medical Town Building, offering complimentary parking for gym members during classes.
Landmarks
Approach
We view fitness as a tool to build physical confidence, health, and athletic longevity. Our programs are designed to transform you physically while protecting your joints and preventing injuries.
Methodology
We integrate classic high-intensity CrossFit protocols with elite Olympic lifting techniques and advanced rehabilitative science, prioritizing movement quality over raw intensity.
Progression
Our coaches track your form, range of motion, and strength levels. We help you systematically progress from foundational bodyweight variations to advanced structural movements.
1-Month Unlimited Pass
- Access to all scheduled group classes
- Open Gym facility access
- Personal technique coaching and modifications
3-Month Unlimited Package
- Discounted monthly rate
- Full group class access
- 1 complimentary mobility assessment
10-Class Card
- Valid for 3 months
- Flexible scheduling options
- Ideal for part-time athletes
First visit
Arrive 10 to 15 minutes before your first class. Head down to the B2 level of The Medical Town Building, check in at the reception desk, and we will guide you through our facility and introduce you to your coach.
Required equipment
Please bring a pair of clean indoor athletic shoes, comfortable workout clothes, a personal water bottle, and a small towel.
What a typical session looks like
Every class is exactly one hour, starting with a 10-minute active warm-up, a 15-minute strength or skills session, a 25-minute metabolic challenge (the WOD), and concluding with 10 minutes of active stretching.
Weightlifting & Barbell Training
Conditioning & Gymnastics Equipment
The CrossFit Open
An annual world-wide fitness celebration where our gym members compete, cheer, and push their limits together.
Community Team WOD & Social
A fun partner-based workout followed by a community lunch to welcome new members and celebrate milestones.
Chul Shin
With over 10 years of professional coaching experience under his belt, Chul Shin focuses on teaching high-quality barbell mechanics. He is passionate about introducing the CrossFit methodology to Gumi-si and helping athletes safely move heavier loads with ease.
Jaeung Heo
Jaeung Heo incorporates advanced physical therapy and neurokinetic screening techniques into functional training. He specializes in identifying physical compensation patterns, correcting posture, and ensuring safety for athletes recovering from sports injuries.
CrossFit HQ
BM4 CrossFit is a fully licensed, 10-year official affiliate of CrossFit LLC, representing global excellence in functional fitness.
Korea Weightlifting Federation
Ensuring our Olympic weightlifting clinics comply with state-of-the-art standards and professional lifting safety guidelines.
Flexible packages are available including Unlimited Monthly Memberships, Multi-Month Packages, and individual Class Passes. Discounted rates are provided for long-term commitments and students. Please contact our front desk for current promotional pricing.