(650) 362-3346 Contact Us 380 Convention Way | Redwood City, CA 94063 Open 7 Days


About UBG

Since 2006, Undisputed Boxing Gym has been a resource for people looking to take their fitness pursuits to the next level. Owner Brian Schwartz is a 7-time world kickboxing and sport karate champion, undefeated in his pro kickboxing career. He knows what it takes to get fit, get toned, and train authentically. Since opening Undisputed Boxing Gym, Brian has curated a team of trainers committed to helping every member achieve his or her goals. We feature four signature classes, personal training services, and a full-service gym to help our members reach their goals.