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Rumble Boxing

4.3 ★★★★☆ 44 Google reviews · Kickboxing gym in Somerville, Massachusetts

Beginners welcome Cardio kickboxing Affiliated

Affiliated gym — reviews and the gym's own info suggest it belongs to a known kickboxing or boxing-fitness franchise or network (think 9Round, iLoveKickboxing, CKO, TITLE Boxing Club or Jabz). Franchise gyms run a consistent class format and are often a friendly, familiar place to start. If a specific brand matters to you, confirm it on the gym's own site.

Boxing-inspired fitness boutique offering group workouts that combine boxing with strength training.

Plan your first class

  • Beginner-friendly all fitness levels welcome, including total beginners — no experience needed, and you get in shape by training, not before
  • Cardio kickboxing classes high-energy cardio kickboxing on the bags and pads — a fun, sweaty workout built for fitness and weight loss, at your own pace
  • Today see hours ·
  • Website & schedule rumbleboxinggym.com — book classes and see the live schedule
  • Phone (857) 971-5078

Hours

Monday 5:30–8:30 AM, 5:30–8:30 PM
Tuesday 5:45–8:45 AM, 5–8 PM
Wednesday 5:30–8:30 AM, 11:45 AM–1:30 PM, 5:30–8:30 PM
Thursday 5:45–8:45 AM, 5–8 PM
Friday 5:30 AM–8:30 PM
Saturday 8 AM–12:30 PM
Sunday 9:15 AM–12:45 PM

Hours shift for holidays and class-schedule changes — worth a quick check before a special trip.

The classes they run

Kickboxing classes on the schedule at Rumble Boxing, confirmed in members' own reviews and the gym's own info — not guessed from the sign out front.

🔥 Cardio Kickboxing 2 mentions

“This place provides the perfect balance between HIIT and learn as you go boxing!”

All gyms that run cardio kickboxing →

🌱 Beginners 2 mentions

“The class is perfect for beginners and challenging enough for consistent members too.”

All gyms that run beginners →

🥊 Boxing 12 mentions

“Ive been a founding member of rumble boxing in assembly - the very first day of class until now!”

All gyms that run boxing →

Kickboxing Bootcamp

“This place provides the perfect balance between HIIT and learn as you go boxing!”

All gyms that run kickboxing bootcamp →

Other martial arts here

Kickboxing gyms are usually multi-discipline. Here's what else members mention training under the same roof at Rumble Boxing — mined from their reviews and the gym's own info.

🥊 Boxing 12 mentions

“Ive been a founding member of rumble boxing in assembly - the very first day of class until now!”

Other gyms that also teach boxing →

Disciplines are mined from reviews and the gym's own info — they show what members have trained, not a formal class guarantee. If you specifically want muay thai, boxing, or MMA alongside your kickboxing, confirm the current schedule with the gym.

What members say

The things reviewers bring up again and again across 44 Google reviews — in their own words.

🌱 welcoming to beginners 6 mentions

“Mikayla and the rest of the front desk crew are always welcoming you with a smile and already greeted me by name the first week I had started!”

🎉 fun, high-energy classes 5 mentions

“The workout is so much fun and the staff are all so personable, friendly and accommodating.”

💦 killer cardio workout 3 mentions

“Joined the studio as a novice boxer and let me tell you it is the best workout!”

💗 welcoming to women 2 mentions

“Heather is absolutely amazing and makes you feel welcome the moment you walk through the doors!”

🧠 builds confidence & relieves stress 4 mentions

“VERY out of my comfort zone.”

🤝 friendly, family gym 13 mentions

“Mikayla and the rest of the front desk crew are always welcoming you with a smile and already greeted me by name the first week I had started!”

From the reviews

I joined Rumble Boxing as a founding member. I quickly became a fan of the workouts, the staff, the vibe, and the community culture. The trainers are very supportive and encouraging during my workouts. S/o Ali, Kev, and Sandra. The front desk team is always so friendly and welcoming. Heather and Corie are rockstars.

★★★★★ — Clyde, Jan 2024

for the longest time, I have been hesitant to try workout classes, let alone a boxing class. VERY out of my comfort zone. I decided when I saw Rumble opening in the Greater Boston area, I would challenge myself to try something new. Boy, am I glad I did!

★★★★★ — Noa, Jan 2024

I can’t say enough great things about Rumble Boxing at Assembly Row! I would recommend this gym ti anyone and everyone no matter where you are at on your fitness journey! The crew at assembly make it feel more like a community instead of just a gym.

★★★★★ — Olivia, Jan 2024

This place provides the perfect balance between HIIT and learn as you go boxing! The workouts are super intense but able to be completed by anyone! The feeling of community during your workouts is unmatched. Love it here!

★★★★★ — Brandon, Jan 2024

Excerpts from public Google reviews. Read all 44 reviews →

New to kickboxing? Start at Rumble Boxing

Rumble Boxing comes up as a beginner-friendly gym — noted on their own site. If you've never thrown a punch or a kick, that's exactly who a good beginners class is for. A few things worth knowing before your first week. First, you don't need to be fit or coordinated to start — you get in shape by training, not before it, and coaches scale every drill to you. Second, you won't be thrown into hard sparring — reputable gyms build the basics (stance, footwork, and punches and kicks on pads and bags) first, and any contact eases in gradually under a coach's control. Third, all fitness levels really are welcome — ask about a dedicated beginners or fundamentals class time so your first session is alongside others who are also starting out. Most gyms are happy to let you watch or try a class first, so reach out before you commit.

See their beginner class info

Your first kickboxing class at Rumble Boxing

Nervous about walking into a kickboxing gym for the first time? Almost everyone is, and good coaches expect beginners to come through the door. Here's what to know. What to expect: a typical first class is a warm-up, then drilling the basics — stance, footwork, and punches and kicks on pads or a heavy bag — not hard sparring. Go at your own pace and rest whenever you need to; no one will bat an eye. What to wear: comfortable athletic clothes you can move and sweat in, and supportive trainers. What to bring: water, and hand wraps and gloves if you have them — many gyms lend loaner gloves for a first class, so it's worth asking when you call. As you keep training you'll add your own gloves and wraps (and shin guards once you start sparring). Sparring is optional and eases in gradually, once your basics are solid. Arrive 10–15 minutes early to sign a waiver and meet the coach. It gets easier fast — most people feel far more at home by their third class.

Kickboxing is a contact sport. Warm up, pace yourself, listen to your coaches, and if you have any injuries or health concerns, mention them before class and check with a doctor if you're unsure.

Where to find Rumble Boxing

301 Harold Cohen St Unit A, Somerville, MA02145

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Listing verified July 2026 from public business records and member reviews. Something out of date? Report a correction. Own this gym? Claim your listing — it's free.