Orangetheory Fitness (OTF), the global leader in heart rate-based group workouts, is wrapping up 2024 with its highly anticipated "12 Days of Fitness" Challenge. From Dec. 1 – 12, members can dive ...

What she didn’t expect was that the program would become an international fitness sensation. Her Orangetheory workout, which is based on the physiological theory of excess post-exercise oxygen ...

Orangetheory Fitness classes are structured around a combination of rowing, strength training and treadmill intervals. Each ...