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Hard Knocks Muay Thai & MMA

4.7 ★★★★★ 51 Google reviews · Kickboxing gym in Boston, Massachusetts

Kickboxing gym Free trial Beginners welcome Kids & teens Cardio kickboxing Competition team

Gym for training beginners and fighters in Muay Thai and kickboxing. Includes a ring and free first classes.

Plan your first class

  • Free trial or intro class most gyms welcome new members with a free trial or intro class — check their site or give them a call to book your first session
  • 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
  • Kids & teen classes kids and teen kickboxing classes — built around confidence, focus, and fun
  • Competition team a competition team for members who want to test themselves in the ring — amateur kickboxing, muay thai, or K-1
  • Today see hours ·
  • Website & schedule hardknocksboston.com — book classes and see the live schedule
  • Phone (781) 854-8895

Hours

Monday 9 AM–12:30 PM, 5–8:30 PM
Tuesday 9 AM–12:30 PM, 5:30–8:30 PM
Wednesday 10 AM–8:30 PM
Thursday 9 AM–12:30 PM, 5:30–8:30 PM
Friday 9 AM–12:30 PM, 5–8:30 PM
Saturday 10 AM–7:30 PM
Sunday Closed

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 Hard Knocks Muay Thai & MMA, confirmed in members' own reviews and the gym's own info — not guessed from the sign out front.

🔥 Cardio Kickboxing 2 mentions

“Great training environment (full size ring, heavy bags, pads, bands, weights, etc.”

All gyms that run cardio kickboxing →

🌱 Beginners 3 mentions

“Whether you are a beginner or a fighter in training, the members of the gym are happy to help you.”

All gyms that run beginners →

🦵 Muay Thai 13 mentions

“Muay Thai is a effective self-defense tool that will not only keep you safe but most importantly get you fit and feeling in the best shape of your life.”

All gyms that run muay thai →

🥊 Boxing

“There is even a full 22 foot boxing ring, very nice.”

All gyms that run boxing →

Other martial arts here

Kickboxing gyms are usually multi-discipline. Here's what else members mention training under the same roof at Hard Knocks Muay Thai & MMA — mined from their reviews and the gym's own info.

🦵 Muay Thai 13 mentions

“Muay Thai is a effective self-defense tool that will not only keep you safe but most importantly get you fit and feeling in the best shape of your life.”

Other gyms that also teach muay thai →

🥊 Boxing

“There is even a full 22 foot boxing ring, very nice.”

Other gyms that also teach boxing →

🛡️ Self-Defense

“Muay Thai is a effective self-defense tool that will not only keep you safe but most importantly get you fit and feeling in the best shape of your life.”

Other gyms that also teach self-defense →

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 51 Google reviews — in their own words.

🧑‍🏫 expert, motivating coaching 2 mentions

“Top champion, world class, highly skilled & extremely knowledgeable trainers 2.”

🌱 welcoming to beginners 5 mentions

“Whether you are a beginner or a fighter in training, the members of the gym are happy to help you.”

💵 good value / fair pricing 2 mentions

“Great overall value (Instruction, unlimited training and atmosphere for the MOST affordable Muay Thai gym in Boston) 6.”

💗 welcoming to women 2 mentions
🤝 friendly, family gym 7 mentions

“What really makes Hard Knocks stand out are the coaches — they are not only highly skilled and knowledgeable, but also super approachable, supportive, and flexible.”

From the reviews

Why go to Hard Knocks? 1. Top champion, world class, highly skilled & extremely knowledgeable trainers 2. Friendly owners/trainers/members that motivate and help you improve/grow 3. A schedule that fits everyone's needs 4. Great training environment (full size ring, heavy bags, pads, bands, weights, etc..) 5.

★★★★★ — Daniel, Jun 2014

I have been training here 3 to 5 times a week for nearly 3 years now. Excellent real Muay Thai instruction. Bill the gym owner has been part of the Muay Thai scene in New England since the early 90's, and Jake who runs most of the classes is an absolute encyclopedia of Muay Thai knowledge and fight IQ, and has the…

★★★★★ — Dustin, Oct 2019

Good gym with a mix of a lot good people. Everything from total beginners ( like my self ) to serious contending fighters. There is a lot of knowledge, Talent, and comradery at Hard Knocks. At the very least its a great place to get into shape and have some fun along the way

★★★★★ — John, Aug 2016

Great gym with a mix of different levels of muay thai. Whether you are a beginner or a fighter in training, the members of the gym are happy to help you. I would recommend this for anyone looking for a way to get in shape while learning a skill.

★★★★★ — Peter, Aug 2018

Excerpts from public Google reviews. Read all 51 reviews →

New to kickboxing? Start at Hard Knocks Muay Thai & MMA

Hard Knocks Muay Thai & MMA comes up as a beginner-friendly gym, going by their listing and members’ reviews. 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.

Check beginner classes on their site

Your first kickboxing class at Hard Knocks Muay Thai & MMA

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 Hard Knocks Muay Thai & MMA

63 Sprague St, Boston, MA02136

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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.