9Round Kickboxing Fitness in St. Peters is a popular and highly rated gym that offers fun, full-body HIIT workouts designed to help members become stronger and healthier. The program features a 30-minute circuit-style workout that focuses on strength training and cardio, with a new session starting every three minutes, allowing for flexible scheduling without fixed class times. The workouts are guided by trainers and are suitable for all fitness levels, from beginners to athletes. Each workout consists of nine stations with challenging exercises, plus active breaks, and the routines change daily to keep things fresh and engaging.
Members appreciate the friendly and knowledgeable staff, who create a positive and motivating environment. The gym is praised for its excellent equipment, modern technology such as TVs demonstrating each round, and a clean, private setup. The atmosphere is light-hearted and fun, making it a great stress outlet and a place where members can enjoy camaraderie while working toward their fitness goals. The gym's 24/7 availability is a major perk, allowing members to work out whenever it fits their schedule. Many also note the helpfulness of the trainers, who bring their own expertise and personalities to enhance the experience. Overall, 9Round offers an effective, motivating, and enjoyable fitness experience for everyone.
Amazing workout and the 30 minutes goes by so fast. The staff is top notch and provide extra exercises to really get you going. Being able to go 24/7 is an amazing concept and takes away all the excuses. Incredible place!
July 2026
Love 9Round! The workouts are fast, fun, and always challenging. The owners and trainers are amazing—and make everyone feel welcome and motivated. Highly recommend if you’re looking for a great workout!
February 2026
Ulysses was such an awesome trainer! Made my sister and I feel so welcomed. Great place to break a sweat!