Learn from Diego Tam, a seasoned brown belt with a decade of training and multiple gold medals at JJWL, SJJIF, and IBJJF across adult and masters divisions. Classes are structured, detail-focused, and designed for safe, intelligent, long-term skill development.
Train in a clean, structured, ego-free environment built for adults, professionals, and families who value safety, consistency, and mutual respect. We foster a culture where beginners feel welcome, kids are supported, and hobbyists can progress without injury or chaos.
A clear curriculum, guided development, and sustainable training designed for beginners, hobbyists, and competitors alike. Whether you're building fundamentals or preparing for tournaments, you'll grow at a pace that keeps you improving.
FOUNDATIONS • CONCEPTS • LIVE SITUATIONS
For new students and early practitioners learning the essential movements, positions, and decision-making of modern Jiu Jitsu.
What makes this different:
MODERN, STRUCTURED TRAINING FOR ALL LEVELS
A complete training session designed for hobbyists and competitors wanting high-quality instruction and hard sparring in a safe environment.
Training format:
MOVEMENT • FOCUS • EARLY GRAPPLING GAMES
A playful, movement-based class where young children develop coordination, confidence, and early grappling skills.
Built around:
DISCIPLINE • CONFIDENCE • PRACTICAL SKILL
A structured program combining ecological learning with fundamental Jiu Jitsu positions, movement, and problem-solving.
Includes:
Consistency is the foundation of progress. Show up, drill, and roll — every session moves you forward.
WEEKLY SCHEDULE (PHASE 1)
| MON | TUE | WED | THU | FRI | SAT | SUN |
|---|---|---|---|---|---|---|
| 6:00–7:30 pm Adult Gi All-Levels |
6:00–7:30 pm Adult Gi All-Levels |
6:00–7:30 pm Adult Gi All-Levels |
6:00–7:30 pm Adult Gi All-Levels |
6:00–7:30 pm Competition / Positional |
10:45 am–12:15 pm Adult Gi Beginners |
By Appointment Private Lessons |
As we scale our program, we add new classes based on student interest. If you're interested in additional training times, let me know — your feedback directly shapes our schedule.
Limited-time early membership. Lifetime discounted rate while active.
Unlimited training in all adult and kids gi classes.
Full access to all kids programs for ages 6–12.
Discounted membership for each additional family member.
Flexible training without monthly contract. Valid for 6 months.
Save 10% when paying 6 months in advance, or 15% when paying 12 months in advance.
15% off with valid high school or college ID.
Ask about our referral rewards when you bring a friend or family member to train.
No experience required. Every class is beginner-friendly and step-by-step. New students can borrow a loaner Gi if needed.
No. Rolling is optional until you're ready. We gradually introduce beginners to live training at a comfortable pace.
Sign up, show up, and try a session for free. You'll meet the coach, get paired with safe partners, and learn how the program works.
Safety is our top priority. We pair beginners with trustworthy, experienced partners and emphasize controlled, technical training — not ego.
Adjacent to 24 Hour Fitness
18730 Amar Rd
Walnut, CA 91789
Phone: (555) 555-5555
Email: info@cosmichorizonbjj.com
Mon-Fri: 6:00 AM - 9:00 PM
Saturday: 8:00 AM - 2:00 PM
Sunday: Closed
New students receive one free trial class. No experience necessary!