9Round

9Round Kickboxing Fitness in St. Peters offers 30-minute HIIT workouts built around boxing and kickboxing-inspired conditioning. The gym uses a flexible, no-set-class-times format so members can start sessions when it fits their schedule, while trainer guidance is included throughout each workout. Its small, semi-private setting emphasizes personal attention, safety, and a supportive atmosphere designed to make high-energy, combat-inspired fitness approachable and sustainable for everyday routines.