Knuckleup Fitness

KnuckleUp Fitness was founded in 1999 by Chris Stolzman. With years of experience in the fitness and health industry, he created a gym and workout club in Atlanta that focused on customer service, quality fitness and martial arts instruction.

Whether you are a professional athlete, fighter, or someone just wanting to workout, KnuckleUp Fitness provides a fun, professional, and comfortable environment to train.

Over more than two decades in operation the business has grown to become one of the largest private and independently owned martial arts clubs in the Southeast. With multiple locations, each club is equipped with full-time instructors to ensure your fitness and training needs are met.

Each club is equipped with boxing and kickboxing equipment, more than 4000 sq/ft of grappling mats, and dozens of Muay Thai and boxing heavy bags, speed bags, double end balls, and uppercut bags.

 We also provide state-of-the-art free weights and weight machines from Life Fitness, Hammer Strength, Nautilus, Stairmaster, as well as olympic lifting areas for all of your strength training needs.

Our Team

KnuckleUp instructors have taught thousands of classes and competed in hundreds of bouts. From national championships, including the Bellator, Lion Fight UFC, WEC, IFL, K-1, WCL, and the World Shidokan Competition, to headlining regional fight events organized by Elev8 Fights, Beat Down Productions, The National Fighting Championships, Undisputed Productions, Full Throttle, and the Fight Party.

Students in our grappling program compete in both the Gi (kimono) and No-Gi competitions all over the country. Having competed in the IBJJF, NewBreed Submission Grappling, NAGA, Pan American BJJ Tournament, Abu Dhabi Combat Club Wrestling Championship, and the Mundials. KnuckleUp is one of the winningest competitive grappling schools in the state.

We are a member of Team Georgia – USA Wrestling, which is the governing body for Olympic Wrestling in the United States. At KnuckleUp, we hope to take submission wrestling into the Olympic Games.