🥊 OPEN GYM – FREE ACCESS SATURDAYS IN SAN BERNARDINO
TRAIN, SPAR & BUILD SKILLS – 9:00 AM TO 12:00 PM (Ages 5+ with adult)
Every Saturday, 9:00 AM – 12:00 PM. Free for members & non-members. No coach on duty.
Waiver required on arrival and bring your own gear. Ages 5+ (kids must be accompanied by an adult).
Boxing
Work offense/defense, footwork, and ring IQ. Open Gym is perfect for bag work, pads, and drills.
Explore our Boxing program.
Explore our Boxing program.
Muay Thai
Kick, knee, elbow and clinch practice at your pace. Review combos and conditioning.
Learn more about Muay Thai at Adrenaline.
Learn more about Muay Thai at Adrenaline.
Brazilian Jiu-Jitsu (BJJ)
Positional sparring, submissions, escapes and drilling. Great time to sharpen basics.
See our BJJ classes.
See our BJJ classes.
Wrestling
Hand-fighting, entries, finishes and mat control. Practice shots and chain wrestling.
Visit Wrestling.
Visit Wrestling.
Judo
Uchikomi, nagekomi, grips and transitions. Focus on throws and safe falls.
View our Judo program.
View our Judo program.
Location & Directions
Adrenaline Martial Art and Fitness, LLC
1465 S D St Suite 100, San Bernardino, CA 92408
Tel: (888) 423-2496
Serving San Bernardino, Colton, Rialto, Redlands, Loma Linda, Highland, Grand Terrace, Fontana, Riverside, Bloomington & nearby communities.
Local resources: City of San Bernardino
MEET OUR COACHES AT OPEN MAT
At Adrenaline Martial Arts & Fitness, our Open Mat Saturdays are guided by one of the most diverse and experienced coaching teams in the Inland Empire. Every coach brings unique expertise to help you train smarter, safer, and at your own pace. Whether your focus is Boxing, Muay Thai, Brazilian Jiu-Jitsu, Wrestling, or Judo, you’ll benefit from the knowledge of leaders who have competed and coached at the highest levels.
🥊 Boxing Coaches
- Coach Freddie Barrera – Head Boxing Coach and professional boxer with years of in-ring experience.
- Coach Fernando Alamilla – Kids & Teens Boxing Coach, USA Boxing licensed and SafeSport certified.
- Coach Nestor Alonso Frutos – Adult Boxing Coach with extensive teaching and competition background.
🇹🇭 Muay Thai Coaches
- Coach Anthony Roque – Head Muay Thai Coach, professional fighter, and mentor.
- Coach Kenny Finister – Adult Muay Thai Instructor with over 24 years of experience and 50+ fights.
- Coach Mikey Guzman – Muay Thai Instructor and pro boxer (2–0), bringing fight-tested knowledge to every class.
- Coach Megan Moran – Muay Thai Instructor with 13+ years of experience, fighter and teacher.
🥋 Jiu-Jitsu Coaches
- Professor Jose Medina – 1st Degree Black Belt in BJJ, specializing in Gi & No-Gi training and competition prep.
- Coach Christopher Ortiz – Gi & No-Gi Jiu-Jitsu Instructor, 3rd Degree Blue Belt, passionate about youth development.
- Coach Michael Salina – No-Gi Kids Jiu-Jitsu Instructor, focused on discipline and confidence building.
🤼 Wrestling Coaches
- Coach Johnny Foster – Head Wrestling Coach, CIF Champion, and seasoned competitor.
- Coach Robert Ornelas – Kids Wrestling Coach with 17+ years of competitive experience.
🥋 Judo Coach
- Coach Gary Butts – Head Judo & Grappling Coach, Marine Corps veteran, 5th Degree Black Belt, and national champion.
Every Open Mat session gives you the opportunity to train alongside this incredible team. Whether you’re new to martial arts or already competing, our coaches are here to push you, support you, and help you succeed.