FREE CLASS SIGN UP It's time to start crushing your goals. Book your free class now at metro Atlanta's #1 training clubs for kickboxing, martial arts and fitness, and start burning up to 900 calories per workout. Real Training. Real Results. SIGN UP Free Class Signup Form InstagramThis field is for validation purposes and should be left unchanged.Book Now I am ready to book a class now Select Location*Select LocationNorth MariettaWest MidtownMariettaInman ParkAthensCantonClass Preference*Class PreferenceAdvanced BoxingBJJBJJ Open Mat (Not Instructor-Led)BoxingFast TrackKickboxingMMAMuay ThaiPower TrackYogaYouth BJJYouth Boxing Select Your Class Change Class First Name*Last Name*Email*Phone*How did you hear about us?How did you hear about us?AdrollAdsAIClassPassDirectoryEmailEventGMBGoogle AdwordsOrganic SearchOrganic SocialPaid SocialProspectingReferralReturning MemberSocial MediaWalk-In / WaiverX3 Sports Member App ReferralWho referred you to X3 Sports?Your GoalsPromo CodeYou must be a local resident and over 18 to book a free class at X3 Sports. If you are under 18, a parent or guardian must accompany you to your first class.DateTime Legacy UTM Data Yes, Opt Me in to SMS Yes, Opt Me in to SMS You will receive occasional SMS messages from X3 Sports.