Rapid Fit KC is a personal training & small group personal training studio in North Kansas City. Looking for a personal trainer in Kansas City? You're in the right place! Rapid Fit KC is a personal training & small group personal training studio in North Kansas City dedicated to helping you achieve your fitness goals quickly & safely. Our motto is: No Machines, No Fads, No Gimmicks, Just Results! Come in for a workout today & enjoy 7 days FREE Group Personal Training.