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Rumble Boxing

4.8
(24 reviews)

Business Details

536 Bloomfield Avenue, Montclair, NJ
07042, United States
(973) 447-3707
http://www.rumbleboxinggym.com/montclair

About

Boxing GymFitness ClassesGymRumble Boxing
Rumble Boxing Montclair is a boxing-inspired fitness boutique that combines the science of boxing with the transformative power of strength training. Each class is a 45-minute, high-octane 10 round fight with HIIT, metabolic conditioning, and the benefits of cardio in one seamless class. No two workouts are the same—so you'll never get bored—and the classes are beginner friendly so you can rumble at your own pace.

Location

Rumble Boxing
536 Bloomfield Avenue, Montclair, NJ
07042, United States

Hours

Monday5:15 AM - 12:45 PM5:30 PM - 8:00 PM
Tuesday6:15 AM - 9:15 AM4:15 PM - 8:00 PM
Wednesday5:15 AM - 10:15 AM5:30 PM - 7:45 PM
Thursday6:15 AM - 9:15 AM4:15 PM - 8:00 PM
Friday5:15 AM - 12:45 PM5:30 PM - 6:30 PM
Saturday8:15 AM - 11:30 AM
Sunday8:15 AM - 11:15 AM

Reviews

4.8
24 reviews
5 stars
21
4 stars
2
3 stars
0
2 stars
0
1 star
1
  • JT
    Jennifer Torres
    6 days ago
    1.0
    I’m extremely disappointed with how my membership cancellation was handled. In June, I contacted the business specifically because I wanted to cancel my membership before I was charged again. Instead of processing the cancellation, I was encouraged to freeze my membership in case I changed my mind. I was also told that freezing would allow me to keep my current membership rate. Based on that information, I agreed. Today, when I contacted the business to cancel, I was told I would still be charged a full monthly payment. Had I been clearly told in June that freezing my membership would result in another full charge when I eventually canceled, I would have canceled my membership then. That is the part I find most frustrating. I made my decision based on the information I was given, and I do not feel the financial consequences of that decision were clearly explained. I was offered credit so I could come in and use the points I’m being charged for. While I appreciate the gesture, that does not resolve the underlying issue. If I’m being charged for the month, allowing me to use what I’ve already paid for is hardly a solution to a billing issue I believe could have been avoided with clear communication. This is not simply about the money. It is about transparency and trust. When a customer specifically contacts a business to cancel before another payment is taken, they should be given complete and accurate information about their options, including any future charges associated with freezing a membership. My advice to anyone considering a membership: get the cancellation and freeze policies in writing, including exactly when you will be charged. Do not rely solely on verbal explanations. The lack of parking is also an ongoing inconvenience and adds to the frustration. Overall, this experience has significantly changed my opinion of the business. I expected straightforward communication, especially when I proactively reached out to prevent another charge. Unfortunately, that is not what I experienced.
  • SS
    Suzanne Snyder
    Aug 23, 2026
    5.0
    There’s a fairly new instructor I want to shout out—-Zoey. She brings something unique. She is fun, but focused. She is encouraging, but not soft. Start to finish she pushes you to do your best. She is just a great balance of characteristics for an instructor.
  • TY
    Tesoro Yeraldin
    Jul 25, 2026
    5.0
    Amazing class with Jenn Lax! Her energy and motivation were incredible from start to finish. It was my first class, and she made me feel comfortable while making sure I pushed my best. I loved the upper body focus, the music, the studio, and how well organized everything was. Such a fun and challenging workout, I can’t wait to come back! 💪 ⭐⭐⭐⭐⭐
  • M
    Ángela Martínez
    Apr 7, 2026
    4.0
    I discovered this place about a month ago. My first class was okay, I liked it, but as my very first class ever, I felt I needed a bit more guidance. My second class was with Carlo, and he took the time to explain every punch and correct my form. I loved it!! It was the perfect mix of an amazing instructor and a great playlist. The third class was with Michael, and his energy was fantastic. Just when I thought I’d found my favorite instructors, Carlo left. If he comes back to Montclair, I’ll gladly update this to 5 stars!
  • DD
    DEEBO
    Mar 30, 2025
    5.0
    Rumble Boxing is straight fire! Since January, I’ve dropped over 25 lbs, and I ain’t stopping anytime soon. Those early morning classes? Best way to kickstart the day—music’s banging, energy’s high, and the trainers don’t play around. They push you, hype you up, and make sure you leave dripping in sweat. Big shoutout to the man, Ross! Dude’s got it locked down—making sure everyone gets a killer workout, feels at home, and keeps leveling up. Always listening, always improving. If you’re thinking about pulling up to Rumble, stop thinking and just do it. Best decision you’ll make! You can thank me later...

Frequently Asked Questions About Rumble Boxing

What type of fitness classes does Rumble Boxing Montclair offer?

Rumble Boxing Montclair offers boxing-inspired group fitness classes that combine boxing techniques with strength training, HIIT, and metabolic conditioning.

Are Rumble Boxing classes suitable for beginners?

Yes, all classes are beginner friendly and allow you to rumble at your own pace.

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