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HardWorx Fitness 4th St.
4.7 ★★★★★ 80 Google reviews · Muay thai gym in Long Beach, California
World-class hybrid training facility offering mixed martial arts instruction.
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 levels welcome, including total beginners — you don't need to be fit or have any experience to start
- Kids & youth classes kids and youth muay thai classes — built around discipline, focus, and confidence
- Private lessons private, one-on-one coaching available — a focused way to start or to work around a busy schedule; ask about availability and rates
- Fitness & conditioning muay thai fitness and cardio classes — a serious workout you can do without ever having to spar
- Sparring & clinch sparring and clinch sessions for members ready for controlled contact — always optional and coach-supervised
- Fight team a competition team for members who want to test themselves as amateur fighters
- Today see hours ·
- Website & schedule hardworxfitness.com — book classes and see the live schedule
- Phone +1 562-436-2649
Hours
| Monday | 6 am–9 pm |
| Tuesday | 6 am–9 pm |
| Wednesday | 6 am–9 pm |
| Thursday | 6 am–9 pm |
| Friday | 8 am–8 pm |
| Saturday | 8 am–4 pm |
| Sunday | 8 am–2 pm |
The classes they run
“Everyone is so friendly, you’ll feel right at home whether you’re experienced or brand new.”
“My son recently started at Long Beach United Boxing, and I’m so pleased with this AMAZING PROGRAM.”
“I just received another compliment about what great shape I’m in, so I thought I should give proper credit to LB United.”
“They have real boxers and fighters teaching the classes.”
Other martial arts here
“Kickboxing class was amazing cardio with great techniques on how to transfer energy into kicks and punches.”
“I'd never taken any boxing classes before, and I was worried I wouldn't be able to keep up, but the trainers here helped me throughout the classes.”
“I read the reviews for this Boxing/MMA gym and that’s what encouraged me to go.”
What members say
“All coaches are super friendly and knowledgeable.”
“After my first class i felt drained, happy , thirsty and hungry :D .”
“Amazing staff, great location, and I love how they make you feel like you're a part of a family.”
“Thank you Long Beach United Boxing for teaching my son Quincy the fundamentals and we look forward to our future with you.”
“I just received another compliment about what great shape I’m in, so I thought I should give proper credit to LB United.”
“They even upgraded this location in 2023 with new flooring, new weight machines, a new ring, etc.”
From the reviews
I think this is an absolute wonderful gym. It really has an old school boxing feel to it. My sons attended the boxing classes and I enjoyed the training they received. Coach Frank and coach Shawn saw that every child got the proper training. There is regular breaks and no child is being pushed over their limits.
I just received another compliment about what great shape I’m in, so I thought I should give proper credit to LB United. Today I did the 7 am boxing class with Joseph, and the hour flew by before I realized how hard he worked us.
Love this gym! Great classes in many different disciplines. Everyone is so friendly, you’ll feel right at home whether you’re experienced or brand new.
I read the reviews for this Boxing/MMA gym and that’s what encouraged me to go. I’d always wanted to take up boxing but was hesitant since not many women do it and these gyms are filled with guys so I always felt weird walking in. I took a Muay Thai class this evening and I’m hooked!!
New to muay thai? Start at HardWorx Fitness 4th St.
HardWorx Fitness 4th St. 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 program is for. A few things worth knowing before your first week. First, you don't need to be fit to start — you get in shape by training, not before it, and coaches scale the conditioning to you. Second, you won't be thrown into sparring — reputable gyms build fundamentals (stance, footwork, and the basic strikes of the "art of eight limbs") for weeks before any contact, and sparring stays optional. Third, all 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.
Your first muay thai class at HardWorx Fitness 4th St.
Nervous about walking into a muay thai 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 on pads and bags — not fighting. Rest whenever you need to; no one will bat an eye. What to wear: shorts or athletic wear and a t-shirt; you'll train barefoot on the mats. What to bring: water and hand wraps if you have them — many gyms lend gloves for a first class, so it's worth asking when you call. As you keep training you'll add your own gloves, wraps, a mouthguard, and shin guards. Sparring is optional and comes later, once your fundamentals 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.
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