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


Real workouts for real people.
Try a free class and find out what you’ve been missing.

With incredible new rates, you’ll want to join today.  GET THE DETAILS!

Train Strong.
Be Undisputed.

Kick your fitness level up a notch at Undisputed Boxing Gym.
Real trainers. Real moves. Real results.

Signature Classes

U-BOXGet ready to rumble! U-BOX classes combine boxing basics and interval training for a workout that will teach you the “sweet science” in no time. You will learn proper punching technique, defensive movement, and footwork using heavy bags and punching mitts. Work hard for 3 minutes, then rest for 1 minute. It will feel like you’re in the ring with this pro boxing experience!
U-KICKU-KICK takes kickboxing to the next level for undisputed results. Set to high energy music, you’ll learn boxing techniques through a series of authentic routines that are mixed in with burpees, squats, lunges, and push-ups. Each class incorporates heavy punching bags and may utilize other conditioning equipment like medicine balls and free weights as well. No two classes are the same, so come ready to fight! With U-KICK, you’ll burn calories, tone your body, and leave the gym feeling unstoppable. Recommended equipment: boxing gloves (available at the front desk), water, towel.
U-BCUnleash your inner Rocky Balboa in our signature boxing conditioning class. Undisputed trainers bring intensity to this workout that features a series of boxing-specific conditioning drills that are proven to change your body. You’ll work hard and have fun while burning mad calories. Bring on Ivan Drago!
U-FACTORIn a rut? Hit a plateau? Break out of it with U-FACTOR! 1 instructor. 3 stations. 4-minute workout rounds. 12 rounds total. This circuit class requires grit, and you'll earn it in this fast-paced session that features boxing, strength, and cycling. High energy music keeps the class pumping.

Mood. Music. Moves.


The heart of being Undisputed is bringing this trifecta to every class. Our trainers take care of everything you need so you can have fun while you’re working hard. There’s something for everyone here. Join us to stay motivated, learn, and achieve the results you’re after.

  • Everyone who works here is rad and they were super helpful from the point of my first inquiry about the cost of a class to after when I (of course) wanted to sign up for a membership.

    Candice G.
    Silicon Valley
  • Amazing Gym! It’s hard to find a great gym that offers a full circuit. Their classes get you in shape fast and great weight training. Definitely a great spot to get right.

    Jake H.
    Menlo Park
  • This is a place where people push themselves in their workouts, because that’s how you avoid plateaus, that’s how you hit your goals, and it’s just how some people roll.

    Andrew W.
    Redwood City
  • The real deal. Check out a place that combines kickboxing, boxing, and fitness under one roof. You will feel like family and do your personal best!

    Mark M.
    San Carlos
  • Over the years, I’ve belonged to a lot of gyms in the Bay Area, and this is my absolute favorite one. I look forward to going to class because we have fun and and I get an awesome workout.

    Megan M.
  • The culture here is like no other. Regardless of your fitness level, you will be greeted warmly and treated like you belong there. Simply unrivaled, there is nothing better.

    Beatrice H.
    San Carlos
  • Best.Workouts.Ever. You want fit? Join this gym.

    Heidi B.