Boxing, Fitness & Strength Training
The #1 Boxing Fitness Workouts Are Here!
boxing fitness benefits
Walk in to escape. Find out what you're made of. Stay because you belong.
Melt away stress
Boxing is one of the most effective ways to lower cortisol — the hormone responsible for chronic stress, weight gain, and poor sleep. Hitting pads forces you to be fully present, cutting off the mental noise. Most members describe leaving class feeling like a completely different person.
Sleep deeper
Intense physical exercise triggers a natural drop in cortisol and a rise in adenosine — the compound that drives deep, restorative sleep. Members regularly report falling asleep faster and waking up more refreshed after consistent training.
All-day energy
Boxing alternates between high-intensity bursts and active recovery — the same structure as HIIT training. Over time, your cardiovascular system adapts to sustain harder efforts for longer.
Clear your head
There's no room for a to-do list when you're focused on a combination. That enforced mental break — neuroscientists call it transient hypo frontality — resets your prefrontal cortex, leaving you sharper and more focused for hours after class.
Burn Fat
Boxing training is one of the most calorie-intensive workouts you can do. A 45-minute session burns up to 800 calories up to 1,200 depending on intensity. Combining cardio bursts with strength moves keeps your metabolism elevated long after the session ends.
Increase strength
Every punch, slip, and footwork drill recruits your entire kinetic chain. You'll develop functional full-body strength — especially in your shoulders, back, core, and legs — without even touching a barbell.
Core stability
Rotating your torso with every punch, absorbing impact, and maintaining guard all require a constantly engaged core. You'll build deep, functional core stability — not just surface-level abs.
Release tension
Muscle tension is where the body stores stress. The rhythmic, full-body nature of boxing — punching, moving, breathing — acts as a physical reset for a nervous system stuck in overdrive. It's cathartic in a way that yoga or running rarely matches.
More confidence
Every class you master a new skill. Every session you show up for builds self-trust. Over time, the physical and mental gains compound into a noticeably stronger sense of confidence that shows up well beyond the gym.
Move better, feel better
Boxing demands constant awareness of your posture, balance, and movement quality. Over time this rewires how you carry yourself — less tension in the shoulders, better posture at your desk, fewer aches from daily life.
Self-defense
Learning to punch, move, and create distance gives you practical situational awareness and confidence. Most altercations are resolved through posture and de-escalation — boxing trains both.
Find your people
There's a reason people stick with boxing when other routines don't — it's genuinely fun, and you do it alongside people who show up just like you do. From post-session hangouts to social events, the community here tends to become part of your weekly rhythm as much as the training does.
tailored boxing fitness
Have your own equipment? Great! We’ll work it into your session. Don’t have gear? No worries! We’ll bring everything you need for an amazing workout experience.
Ideal for groups of 2-6 people. Our Friends & Family Pack offers a personalized training experience with great discounts. If you're located just outside our usual area, we’re happy to accommodate for a small additional travel fee.
how to join?
Step 1: Access the app
To book a session, click the "Book Now" button located either in the top menu or or directly enter best803.wstudio.app in your browser.
Step 2. Begin Your Booking
Once on the booking site, click "Start", and to proceed with your reservation.
Step 3: Account Verification
Enter your email address to check if you already have an account. If no account exists, you'll be guided through the setup process.
Step 5: Create Your Account
Fill in your personal information including name, surname, email, password, gender, and birthday, phone number, upload your ID and agree to the terms and conditions.
Step 6: Account Confirmation
After signing up, please contact us to verify your new account and complete the booking process. The app is super easy and quick to access after setup, ensuring a seamless, hassle-free experience every time.
Step 4: Select Your Payment Method
Note: Access to the agenda is enabled once payment is confirmed. Sinpe: 7214-4414 (Elizabeth Roman) Upload proof of payment for Sinpe. PayPal: Contact us first to request the address and invoice.
f.a.q
This is my first time ever!
Just be sure to show up 10-15 minutes early so we can wrap your hands and explain the class structure to you.
What should I wear or bring?
Gloves can be used free of charge for the first class, if you have your own pair of gloves you can bring them with you.
Will I get hit?
BEST803 is a gym that specializes in boxing fitness classes. You will use real boxing techniques in each class.
We teach technique in every class, so we can work with you regardless of whether it's your first time in a gym or you have many years of boxing fitness experience.
Our goal is that you have a good time, enjoy the workout and leave motivated and feeling strong!
Do I need to 'get in shape' before I start boxing fitness classes?
What if I’ve never boxed in my life?
What is your membership policy?
Click here to see our packages value – you can purchase a single class or package depending upon your specific needs and budget.
What are the BENEFITS of a boxing fitness class?
Boxing releases aggression and manages your stress by getting your endorphins pumping. You’ll be more confident about how you look and feel like a boss!
What can I expect from a boxing fitness class?
Our sessions are a well-balanced workout consisting of boxing fitness, cardio training, and functional fitness. It is a full-body workout – legs, core, back, shoulders, and arms.
You’ll be doing conditioning drills like jumping jacks, sit-ups, and quick feet drills as well as fundamental boxing including shadow boxing and bag work.
Before class begins we’ll wrap your hands to protect them and get you in a pair of real boxing gloves.
How many people are in a class?
member's reviews
These positive reviews highlight the positive impact we've made in our member's journey. See what they have to say about their experiences with us.
contact us form
- Best803 Boxing Fitness Studio
- We are located near Paseo Colón, 10 minutes from San José downtown and a 5 minutes walk from Sabana Park. Please keep in mind we only work by appointment.
+506-72095201 - BEST803- Info@best803.com
- Upon request - By appointment only