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KnuckleUp Fitness
3.8 ★★★★☆ 117 Google reviews · Kickboxing gym in Sandy Springs, Georgia
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 knuckleupfitness.com — book classes and see the live schedule
- Phone (404) 339-5425
Hours
| Monday | 9:30 AM–9 PM |
| Tuesday | 9:30 AM–9 PM |
| Wednesday | 9:30 AM–9 PM |
| Thursday | 9:30 AM–9 PM |
| Friday | 9:30 AM–8 PM |
| Saturday | 9:30 AM–1 PM |
| Sunday | Closed |
The classes they run
“I love this gym and love their kickboxing classes.”
“My son has been going to KU since he was 4 years old and for the last 3 years it’s been an amazing experience.”
“Classes focus not only on the fundamentals of beginners and advanced BJJ technique but also the principles of discipline, endurance, and teamwork applicable in all aspects of life.”
“The instructors are all fantastic and have created a great training environment that suits anyone (hobbyist or a competitor) who steps on the mats.”
Other martial arts here
“Classes focus not only on the fundamentals of beginners and advanced BJJ technique but also the principles of discipline, endurance, and teamwork applicable in all aspects of life.”
What members say
“Classes focus not only on the fundamentals of beginners and advanced BJJ technique but also the principles of discipline, endurance, and teamwork applicable in all aspects of life.”
“Their group classes are awesome, with high energy and friendly instructors.”
“The owner and instructors really stress the practicality of techniques for the beginners and the safe practice for all students.”
“The culture at KnuckleUp is excellent, offering a great balance of friendly environment and focused technique.”
From the reviews
Amazing gym with a great staff, class schedule, and culture. They were very transparent about fees and the cancellation policy when I initially registered and have always been available for questions about my membership. Highly recommend giving this gym a chance, especially since they offer a free trial.
Very friendly staff. Great coaches. I mostly do CrossFit and boxing. Have tried kickboxing couple times. The instructors are great and the members are supportive and helpful. I joined a month after moving to the area from NYC and I’m glad I did.
This school (and I've been to a few) is great! So much so that my son joined too. The owner and instructors really stress the practicality of techniques for the beginners and the safe practice for all students.
KnuckleUp has been eye opening! I came into the gym with a very surface level knowledge of combat sports (loved watching mma, and was always into some of the components of it), and I feel like I learn every time I’m here. Their group classes are awesome, with high energy and friendly instructors.
New to kickboxing? Start at KnuckleUp Fitness
KnuckleUp Fitness 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.
Your first kickboxing class at KnuckleUp Fitness
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.
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