Your First Punch Is the Start of Something Bigger

BEST803 is a boxing fitness and strength training community in San José built for people who want real technique, real conditioning, and lasting change. We combine Olympic-style boxing, functional strength, outdoor training, and plant-based performance nutrition to develop powerful bodies and resilient minds. 

Every session is coached with purpose-safe progressions, personal attention, and a supportive culture that welcomes beginners, athletes, women, kids, and adults 65+. 

No ego, no contracts-just smart training, strong community, and results you can feel in daily life.