FIRE at KOR4 Elite Fitness fuses infrared heat, HIIT, cycling, and strength training into one calorie torching workout experience. Designed for every fitness level, our instructor-led group fitness classes in Charleston and Mount Pleasant help you burn calories, build strength, improve endurance, and stay motivated in a supportive community.

FIRE is more than another workout—it’s an elite group fitness class designed to challenge both your body and mind. Inside our one-of-a-kind 90-degree heated training room, you’ll alternate between cycling, resistance training, and high-intensity intervals to maximize calorie burn while improving cardiovascular fitness and total-body strength.
Expect to sweat like never before. Space is limited; reserve yours before it’s too late!




















You'll wanna bring a towel and full Stanley for this one.

FIRE is KOR4 Elite’s signature heated group fitness class that combines cycling, strength training, HIIT, and infrared heat into one complete workout.
Yes. Every workout can be modified to match your fitness level, making FIRE ideal for beginners while still challenging experienced athletes.
If you’re looking for a group fitness class near you in the Charleston area, FIRE is offered exclusively at KOR4 Elite Fitness in West Ashley and Mount Pleasant. Our heated, instructor-led group fitness classes combine strength training, HIIT, and cycling in one energizing workout designed for all fitness levels. Whether you’re just getting started or looking to elevate your training, FIRE delivers a supportive community and results-driven experience.
Absolutely. FIRE is designed to improve both strength and conditioning through a combination of functional resistance training, high-intensity interval training (HIIT), and indoor cycling. Every class helps build lean muscle, increase endurance, improve cardiovascular fitness, and enhance overall athletic performance. Because exercises can be modified for different fitness levels, FIRE is an excellent strength and conditioning group fitness class for beginners and experienced athletes alike.
FIRE takes place in a 90-degree infrared heated room to increase intensity and help you maximize your workout.
Bring athletic shoes, a towel, and plenty of water. You’ll definitely sweat.